How to Remove a Trojan Virus from Windows [Rmoval Guide]
Trojan viruses are a dangerous type of malware that gain access to computers under false pretenses in order to deliver malicious payloads. This comprehensive guide will unpack everything about how trojan viruses operate – their infection tactics, attack methods, how to spot infections, and proven steps to remove them.
What Are Trojan Viruses?
Trojan viruses are a dangerous form of malware that infiltrate computers under false pretenses to unleash malicious and sometimes destructive attacks. Trojan viruses exhibit worm-like behavior by replicating themselves and spreading across networks and removable media.
Trojan viruses get their name from the legendary Trojan Horse tale in ancient Greek mythology. The Greeks presented a giant wooden horse statue supposedly as a gift to the people of Troy. However, it was filled with Greek soldiers hiding within the hollow sculpture. Once the horse was brought inside Troy’s defenses, the Greek soldiers emerged at night and attacked from within, winning the war.
Similarly, trojan viruses disguise themselves as useful programs or files in order to trick unwitting users into willingly downloading and installing the malware. But concealed within the appealing package is harmful software waiting to be unleashed. Once installed, trojan viruses open backdoors into infected computers for remote hackers to exploit.
Some of the most common digital disguises trojan viruses use include:
Cracked software or game mods that promise free, unlimited access to paid programs
Fake videos or music files like MP3s or movie trailers
Bogus utility software like PC optimization tools or cleanup wizards
Legitimate-looking installers bundled with trojans as added components
Official software cunningly modified and repackaged with viral payloads
Fake software updates that mimic real alerts from trusted programs
Malicious email attachments pretending to be invoices or shared documents
Other trojan virus distribution tactics include compromising legitimate websites to silently push downloads to visitors, or infecting removable media like USB sticks that automatically execute malicious scripts when plugged in.
Once a trojan virus is installed on a computer, it leverages rootkit functions to bury deep within the system – modifying registries, creating hidden processes, embedding in folders, and changing configurations. This makes detection and removal much harder.
From their embedded location, trojan viruses can unleash a variety of damaging and illegal cyber attacks, including:
Logging keystrokes and scraping screenshots or clipboard data to steal passwords, banking details, and other sensitive information
Activating webcams and microphones to spy on victims
Allowing backdoor remote access for hackers to fully control the computer
Downloading additional malware such as ransomware or botnet modules
Disabling and changing security software configurations to allow infections to persist
Crashing systems by overloading critical resources like RAM and CPU
Damaging files and data by overwriting, deleting, or encrypting documents
Propagating across networks to infect more connected computers and systems
For victims, a trojan virus infection opens up their digital life to constant monitoring, identity theft, extortion, data and hardware destruction, and resources hijacked for criminal purposes.
Here are some real-world examples of dangerous trojan viruses:
Zeus – Designed to steal banking credentials through keylogging and form grabbing. Spread via phishing and drive-by downloads.
NanoCore – Provided hackers with remote access to clandestinely control systems and exfiltrate data.
DarkComet – Older trojan used for cyber espionage via webcam spying, keylogging and data exfiltration.
BlackEnergy – Infamous for enabling distributed denial-of-service (DDoS) attacks that overwhelmed targets. Also destroyed data.
Emotet – Major banking trojan that often distributes additional spam, ransomware and banking malware modules.
These examples highlight why trojan viruses continue to rank among the most dangerous cyber threats facing computer users today. Their advanced deception tactics and malicious capabilities make them a high-risk malware threat.
How Do Trojan Viruses Infiltrate Systems?
Trojan viruses employ deceptive distribution tactics to get installed on target computers. Some of their most common infection methods include:
Bundled downloads – The viruses get packaged within appealing but fake software installers.
Phishing emails – Malicious attachments pretending to be documents or invoices infect systems when opened.
clickjacking – Users get tricked into clicking disguised download buttons on compromised sites.
Fake updates – Popups imitate software upgrade alerts to get users to download infected installers.
Physical media – Infected USB drives or disks trigger automatic virus execution when plugged in.
Network worms – Some trojan viruses scan for open network shares and security holes to spreadcopies of themselves.
Once installed, trojan viruses leverage rootkit functions to bury themselves in registries, folders, and processes. This makes detection and removal much harder.
Signs of a Trojan Virus Infection
Trojan viruses try to stay covert once installed. But there are some symptoms that may indicate their presence:
Slow computer performance – Trojan viruses consume system resources which causes lag and crashes.
Unknown processes – Check for unfamiliar processes running that don’t match your installed programs.
Antivirus alerts – Security software may detect trojan virus behavior and block the infection.
Network usage spikes – Unusual spikes in traffic indicate trojan viruses phoning home or spreading.
Frequent crashes – Programs crashing or freezing constantly can point to trojan virus interference.
Corrupted files – Trojan viruses damage files as part of data wiper or ransomware capabilities.
Any of these signals warrants a deeper scan to isolate and exterminate embedded trojan viruses.
Dangers of Trojan Viruses
Left unchecked, trojan viruses pose many threats:
Remote system control – Hackers can fully operate the computer via backdoor access.
Financial theft – Keyloggers and data scraping steal banking, credit card information and logins.
Loss of sensitive data – Trojan viruses extract documents, passwords, emails and other confidential information.
Ransomware deployment – Trojan viruses often install additional ransomware modules to extort money.
Webcam hijacking – Criminals can spy through your webcam once a trojan virus is present.
Zombie botnets – Your Windows system may get conscripted into hacker-controlled botnets.
Worm propagation – Virulent trojan viruses can rapidly spread copies across networks and infect connected devices.
It is critical to quickly find and terminate trojan virus infections before additional damage can be done.
How to Check for and Remove Trojan Viruses
This malware removal guide may appear overwhelming due to the number of steps and numerous programs that are being used. We have only written it this way to provide clear, detailed, and easy-to-understand instructions that anyone can use to remove malware for free. Please perform all the steps in the correct order. If you have any questions or doubts at any point, stop and ask for our assistance.
Trojan Viruses can target Windows, Android, and Mac devices, so we’ve covered each operating system below. Depending on which operating system is installed on your computer please click on the operating system icon below and follow the displayed steps to remove the Trojan Viruses.
STEP 1: Use Rkill to terminate malicious processes
First, we’ll download and run Rkill to stop any malicious processes running in the background. This prevents the malware from blocking or interfering with the removal steps that follow.
RKill is a program that was developed at BleepingComputer.com that attempts to terminate known malware processes so that your normal security software can then run and clean your computer of infections. When RKill runs it will kill malware processes and then removes incorrect executable associations and fixes policies that stop us from using certain tools.
Download Rkill.
You can download RKill to your computer from the below link. When at the download page, click on the Download Now button labeled iExplore.exe. We are downloading a renamed version of Rkill (iExplore.exe) because some malware will not allow processes to run unless they have a certain filename.
RKILL DOWNLOAD LINK (The above link will open a new page from where you can download Rkill)
Run RKill.
After downloading, double-click the iExplore.exe icon to kill malicious processes. In most cases, downloaded files are saved to the Downloads folder. The program may take some time to search for and end various malware programs.
When it is finished, the black window will close automatically and a log file will open. Do not restart your computer. Proceed to the next step in this guide.
STEP 2: Uninstall malicious programs from Windows
Next, we’ll manually check your computer for unknown or malicious programs. Adware and browser hijackers often have a working uninstall entry — removing them this way takes care of the easy part before we run the scanners.
Windows 11Windows 10Windows 8Windows 7
Open the Settings app
Press Windows + I on your keyboard to open Settings. Alternatively, right-click the Start button and select “Settings” from the menu.
Go to “Apps & Features”
In the Settings window, click “Apps” in the sidebar, then select “Apps & Features“.
Find and uninstall the malicious program
Scroll through the list of installed apps and look for anything suspicious — a program you don’t remember installing, or one with a strange or generic name. Quick tip: click “Sort by” and choose “Install date“. Malware is usually one of the most recently installed programs, so it will appear near the top.
When you find the malicious program, click the three dots next to it and select “Uninstall“.
Didn’t find any suspicious programs? That’s fine — not all infections install visible apps. Just continue with the next step in this guide.
Complete the uninstall
Confirm by clicking Uninstall in the message box, then follow the remaining prompts. Read each prompt carefully — some malicious programs use confusing wording or pre-ticked boxes hoping you’ll click through without looking.
Open the Settings app
Press Windows + I on your keyboard to open Settings. Alternatively, click the Start button on the taskbar and select “Settings” (the gear icon).
Click on “Apps”
In the “Windows Settings” window, click “Apps“. The “Apps & Features” section should open by default — if it doesn’t, select it from the list on the left.
Find and uninstall the malicious program
Scroll through the list of installed apps and look for anything suspicious — a program you don’t remember installing, or one with a strange or generic name. Quick tip: click “Sort by” and choose “Install date“. Malware is usually one of the most recently installed programs, so it will appear near the top.
When you find the malicious program, click on it and select “Uninstall“.
Didn’t find any suspicious programs? That’s fine — not all infections install visible apps. Just continue with the next step in this guide.
Complete the uninstall
Confirm by clicking Uninstall in the message box, then follow the remaining prompts. Read each prompt carefully — some malicious programs use confusing wording or pre-ticked boxes hoping you’ll click through without looking.
Open “Programs and Features”
Right-click the Start button in the taskbar, then select “Programs and Features“. This takes you straight to the list of installed programs.
Find and uninstall the malicious program
Scroll through the list of installed programs and look for anything suspicious — a program you don’t remember installing, or one with a strange or generic name. Click to highlight it, then click the “Uninstall” button.
Didn’t find any suspicious programs? That’s fine — not all infections install visible apps. Just continue with the next step in this guide.
Complete the uninstall
Confirm by clicking Yes in the message box, then follow the remaining prompts. Read each prompt carefully — some malicious programs use confusing wording or pre-ticked boxes hoping you’ll click through without looking.
Open the Control Panel
Click the “Start” button, then click “Control Panel“.
Click on “Uninstall a Program”
In the Control Panel, click “Uninstall a Program” under the Programs category.
Find and uninstall the malicious program
Scroll through the list of installed programs and look for anything suspicious — a program you don’t remember installing, or one with a strange or generic name. Click to highlight it, then click the “Uninstall” button.
Didn’t find any suspicious programs? That’s fine — not all infections install visible apps. Just continue with the next step in this guide.
Complete the uninstall
Confirm by clicking Yes in the message box, then follow the remaining prompts. Read each prompt carefully — some malicious programs use confusing wording or pre-ticked boxes hoping you’ll click through without looking.
Is a stubborn program refusing to uninstall? Use Revo Uninstaller to force-remove it completely, including leftover files and registry entries.
With the malicious programs removed, you’re ready for the next step in this guide.
STEP 3: Reset browsers back to default settings
In this step, we will remove spam notifications, malicious extensions, and change to default any settings that might have been changed by malware. Please note that this method will remove all extensions, toolbars, and other customizations but will leave your bookmarks and favorites intact. For each browser that you have installed on your computer, please click on the browsers tab below and follow the displayed steps to reset that browser.
ChromeFirefoxMicrosoft EdgeInternet Explorer
Reset Chrome for Windows to default settings
We will now reset your Chrome browser settings to their original defaults. This will reset your startup page, new tab page, search engine, and pinned tabs. It will also disable all extensions and clear temporary data like cookies. Your favorites, history, and saved passwords will not be cleared.
Open the Chrome menu
In the top-right corner of Chrome, click the three-dot (⋮) icon to open the menu.
Go to Settings
From the menu, select Settings.
Select “Reset settings”
In the left sidebar, scroll down and click Reset settings.
Choose “Restore settings to their original defaults”
Click Restore settings to their original defaults.
Confirm the reset
In the dialog that appears, click Reset settings. This restores your homepage, search engine, new tab page, and pinned tabs to default, disables all extensions, and clears temporary site data — undoing the changes the malware made.
Don’t worry: your bookmarks, history, and saved passwords are safe and will not be deleted.
Reset Firefox for Windows to default settings
We will now reset your Firefox browser settings to their default. The reset feature fixes many issues by restoring Firefox to its factory default state while saving your essential information like bookmarks, passwords, web form auto-fill information, browsing history, and open tabs.
Open the Firefox menu and click “Help”
Click the three horizontal lines in the top-right corner of Firefox to open the main menu, then select “Help“.
Click “More troubleshooting information”
In the Help menu, click “More troubleshooting information“.
Click “Refresh Firefox”
On the “Troubleshooting Information” page, click the “Refresh Firefox” button in the top-right area of the page.
Confirm the refresh
In the confirmation window, click “Refresh Firefox” again. This removes extensions, themes, and customized settings — the usual hiding places for browser hijackers — while keeping your bookmarks, history, and saved passwords safe.
Click “Finish”
Firefox will close, reset itself to default settings, and reopen with a window listing the information that was restored. Click “Finish” — your Firefox is now clean.
About the “Old Firefox Data” folder: Firefox saves a copy of your old profile on your desktop. If something you need is missing after the reset, you can recover it from this folder. Otherwise, delete the folder — it contains sensitive data like passwords and cookies, and may also still hold the malicious files you just removed.
Reset Microsoft Edge to default settings
We will now reset your Microsoft Edge browser settings to their default. This will reset your startup page, new tab page, search engine, and pinned tabs. It will also disable all extensions and clear temporary data like cookies. Your favorites, history, and saved passwords will not be cleared.
Open the Edge menu and click “Settings”
Click the three dots (…) in the top-right corner of Microsoft Edge to open the main menu, then click “Settings“.
Click “Reset settings”
In the left sidebar, click “Reset settings“.
Click “Restore settings to their default values”
In the main window, click “Restore settings to their default values“.
Confirm by clicking “Reset”
In the confirmation dialog, click “Reset“. This restores your homepage, search engine, new tab page, and startup pages to default, disables all extensions, and clears temporary data like cookies — undoing the changes the malware made.
Don’t worry: your favorites, browsing history, and saved passwords are safe and will not be deleted.
Reset Internet Explorer to default settings
We will now reset your Internet Explorer browser settings to their default. You can reset Internet Explorer settings to return them to the state they were in when Internet Explorer was first installed on your computer.
Go to “Internet Options”.
Open Internet Explorer, click on the gear icon in the upper-right part of your browser, then select “Internet Options“.
Select the “Advanced” tab, then click “Reset”
In the “Internet Options” dialog box, select the “Advanced” tab, then click on the “Reset” button.
Click on “Reset”.
In the “Reset Internet Explorer settings” section, select the “Delete personal settings” checkbox, then click on the “Reset” button.
Click on “Close”.
When Internet Explorer has completed its task, click on the “Close” button in the confirmation dialogue box. Close your browser and then you can open Internet Explorer again.
STEP 4: Use Malwarebytes to remove Trojans and unwanted programs
Now we’ll install Malwarebytes and run a full scan to detect and remove infections, adware, and potentially unwanted programs from your computer.
Malwarebytes is one of the most popular and trusted anti-malware tools for Windows — and it’s completely free for removing infections. It catches threats that many antivirus programs miss, including adware, browser hijackers, and trojans. Follow the steps below to scan and clean your PC in just a few minutes.
Download Malwarebytes
Click the button below to download the latest version of Malwarebytes for Windows from the official source. The free version is all you need — it will scan your computer and remove adware, browser hijackers, and other malicious software at no cost.
(The link opens in a new page where your download will start)
Install Malwarebytes
When the download finishes, open your Downloads folder and double-click the MBSetup file. If Windows shows a User Account Control pop-up, click “Yes” to allow the installation.
Follow the On-Screen Prompts to Install Malwarebytes
The setup wizard will walk you through a few quick screens:
Choose where you’re installing the program — “Personal Computer” or “Work Computer” — then click Next.
Malwarebytes will now install on your device. This usually takes under a minute.
When installation is complete, the “Welcome to Malwarebytes” screen will open automatically.
On the final screen, click Open Malwarebytes to launch the program.
Enable “Scan for Rootkits”
Before scanning, turn on rootkit detection so Malwarebytes can find even the most hidden threats. Click the Settings gear icon on the left side of the screen.
In the settings menu, find “Scan for rootkits” and click the toggle so it turns blue.
Done? Click “Dashboard” in the left pane to return to the main screen.
Start the Scan
Click the blue Scan button. Malwarebytes will automatically update its virus database and start checking your computer for malware.
Wait for the Scan to Finish
The scan checks your entire system for browser hijackers and other malicious programs, so it can take several minutes. Feel free to do something else — just check back occasionally to see the progress.
Quarantine the Detected Threats
When the scan is done, you’ll see a list of everything Malwarebytes found — malware, adware, and potentially unwanted programs. Click the “Quarantine” button to remove all of them at once.
Malwarebytes will now remove the malicious files and registry entries and move them safely into quarantine.
Restart Your Computer
Some threats can only be fully removed after a reboot. If Malwarebytes asks you to restart, click Yes. Once you’re logged back in, your PC is clean and you can continue with the next steps in this guide.
STEP 5: Use HitmanPro to remove rootkits and other malware
Next, we’ll run a second-opinion scan with HitmanPro to catch Trojans, rootkits, and other malicious programs that may have survived the previous step.
HitmanPro is a second-opinion scanner — it’s designed to catch what your main antivirus might have missed. Instead of relying on a single detection engine, it checks the behavior of files in the locations where malware usually hides. Anything suspicious gets sent to the cloud, where it’s analyzed by two of the best antivirus engines available: Bitdefender and Kaspersky.
Good news: scanning is completely free, with no limits. You only need a license when it’s time to remove what was found — and even then, you can activate a free one-time 30-day trial to clean your PC at no cost. (A full license is $24.95 per year for 1 PC.)
Download HitmanPro
Click the button below to download HitmanPro. Remember — the scan is free, so you have nothing to lose by checking your PC.
When the download finishes, open your Downloads folder and double-click the file: “hitmanpro.exe” on 32-bit Windows, or “hitmanpro_x64.exe” on 64-bit Windows.
If a User Account Control pop-up asks whether HitmanPro can make changes to your device, click “Yes” to continue.
Follow the On-Screen Prompts
On the HitmanPro start screen, click “Next” to begin the system scan. No lengthy setup required — it goes straight to work.
Wait for the Scan to Finish
HitmanPro will now check your computer for malicious programs. This usually takes just a few minutes thanks to its cloud-based scanning.
Review the Results and Click “Next”
When the scan is done, HitmanPro will show you everything it found. Click “Next” to remove the detected threats.
Click “Activate Free License”
To remove the malicious files, click the “Activate free license” button. This starts your free 30-day trial — no payment details needed — and unlocks the full cleanup.
When the removal is complete, HitmanPro will show a summary of everything it cleaned. Click Next, then click Reboot if prompted. If there’s no reboot prompt, just click Close — your PC is clean.
STEP 6: Use AdwCleaner to remove malicious browser policies and adware
We’ll now use AdwCleaner to remove malicious browser policies and unwanted browser extensions — the leftovers that keep hijacking your browser settings even after the malware itself is gone.
AdwCleaner is a free on-demand scanner that specializes in adware, browser hijackers, and unwanted toolbars — the exact threats that mainstream antivirus programs often miss. It also includes tools that repair the damage malware leaves behind, like hijacked browser settings and malicious policies. It’s a quick scan that’s well worth running.
Download AdwCleaner
Click the button below to download AdwCleaner — it’s free, portable, and requires no installation.
Open your Downloads folder and double-click the file named “adwcleaner_x.x.x.exe“. There’s no installation — the program starts right away.
If Windows asks whether you want to allow AdwCleaner to run, click “Yes“. When the license agreement appears, click I agree to continue.
Enable “Reset Chrome policies”
This setting removes malicious browser policies — a trick malware uses to lock your browser settings so you can’t change them back. Click “Settings” on the left side of the window, then turn on “Reset Chrome policies“.
Start the Scan
Click “Dashboard” on the left side of the window, then click the “Scan” button.
Wait for the Scan to Finish
AdwCleaner will now check your computer for adware and other malware. This usually takes only a few minutes — it’s one of the fastest scanners around.
Quarantine the Detected Threats
When the scan finishes, AdwCleaner will list everything it found. Click the “Quarantine” button to remove all the malicious items at once.
Click “Continue” to Finish the Cleanup
Save any open work first — AdwCleaner needs to close your open programs before it can clean. When you’re ready, click the “Continue” button.
AdwCleaner will now delete all detected malware from your computer. If it asks you to restart your PC, allow it — your computer will be clean when you log back in.
STEP 7: Perform a final check with ESET Online Scanner
Finally, we’ll run ESET Online Scanner as a last sweep to confirm nothing was missed. If this scan comes back clean, your computer is malware-free.
ESET Online Scanner is a free second-opinion scanner that performs a deep, full-system check for viruses, trojans, rootkits, and other malware. We use it as the final step because it’s thorough — if anything slipped past the previous scans, ESET will find it. A clean result here means your computer is malware-free.
Download ESET Online Scanner
Click the button below to download ESET Online Scanner.
When the download finishes, open your Downloads folder and double-click “esetonlinescanner.exe“.
Install ESET Online Scanner
On the start screen, select your language from the drop-down menu and click Get started.
On the Terms of use screen, click Accept.
Choose your preferences for the Customer Experience Improvement Program and the Detection feedback system (either choice is fine), then click Continue.
Start a Full Scan
Click Full Scan — this checks your entire computer, not just the common hiding spots.
Select Enable for Detection of Potentially Unwanted Applications — this lets ESET catch adware and bundled junk programs, not just viruses. Then click Start scan.
Wait for the Scan to Finish
ESET will now check every file on your computer. Because it’s a full scan, this can take a while — often an hour or more, depending on how much data you have. Leave it running in the background and check on it from time to time.
Review the Results
When the scan completes, the Found and resolved detections screen appears. Any threats found were automatically cleaned and quarantined — there’s nothing extra you need to do. Click View detailed results if you want to see exactly what was removed.
If ESET found nothing — congratulations, your computer has passed the final check and is malware-free.
Your computer should now be free of Trojan Viruses and other malware.
If your current antivirus allowed this malicious program on your computer, you may want to consider purchasing the full-featured version of Malwarebytes Anti-Malware to protect against these types of threats in the future. If you are still having problems with your computer after completing these instructions, then please follow one of the steps:
Profiles are used by IT admins in businesses to control the behavior of their Macs. These profiles can configure a Mac to do many different things, some of which are not otherwise possible. When it comes to home users, adware and browser hijackers are using the configuration profile to prevent users from removing malicious programs from the computer. This also prevents the user from changing that behavior in the browser’s settings.
In this first step, we will check your computer to see if any configuration profiles are installed. To do this, follow the below steps:
Open “System Settings”
From the Apple menu () in the top-left corner of the screen, select System Settings. (On macOS Monterey and earlier, this is called System Preferences.)
Look for “Profiles”
In the System Settings window, search for Profiles — on newer macOS versions you’ll find it under Privacy & Security, or you can type “Profiles” in the search box.
No Profiles section? Good news — that means no profiles are installed on your Mac, which is completely normal. Skip ahead to the next step of this guide.
Remove the malicious profiles
Malware uses configuration profiles to lock your browser settings — forcing a fake search engine or homepage on you and preventing you from changing it back. If you see a profile you don’t recognize (and your Mac isn’t managed by your workplace or school), select it, press the − (minus) button, and click Remove to confirm.
STEP 2: Delete malicious apps
In this second step, we will try to identify and remove any malicious apps and files that might be installed on your computer. Sometimes redirects or adware programs can have usable Uninstall entries that can be used to remove these programs.
Quit the malicious programs
Check the Apple menu bar in the top-right corner of your screen. If you see an icon you don’t recognize, click it and select Quit. This stops the malware from running so it can’t interfere while we remove it.
Open “Finder”
Click the Finder icon in your dock.
Click on “Applications”
In the Finder sidebar, click “Applications“.
Find and remove the malicious app
Scroll through the list of installed apps and look for anything suspicious — an app you don’t remember installing, or one with a strange or generic name. When you find it, right-click it and select “Move to Trash“.
Some known malicious programs to look for: SearchMine, TakeFresh, TopResults, FeedBack, ApplicationEvents, GeneralOpen, PowerLog, MessengerNow, ImagePrime, GeneralNetSearch, Reading Cursors, GlobalTechSearch, PDFOnline-express, See Scenic Elf, MatchKnowledge, Easy Speedtest, and WebDiscover. The names change constantly, though — so treat any app you can’t account for as suspect.
Empty the Trash
Right-click the Trash icon in your dock and select “Empty Trash“. This permanently deletes the malicious app you just removed — until you do this, the malware is still on your Mac.
Find and remove the malicious files
Malware on Mac uses launch agents and launch daemons — small files that automatically restart the malware every time you boot your Mac. We’ll check the four folders where they hide:
Click the desktop to make sure you’re in Finder, then open the “Go” menu and click “Go to Folder“.
Copy and paste each of the paths below into the window, one at a time, and click Go after each:
/Library/LaunchAgents
~/Library/LaunchAgents
/Library/Application Support
/Library/LaunchDaemons
In each folder, look for suspicious .plist files — typically named after the malware or with odd, random-looking names. Some known examples: “com.adobe.fpsaud.plist”, “installmac.AppRemoval.plist”, “myppes.download.plist”, “mykotlerino.ltvbit.plist”, and “com.myppes.net-preferences.plist”. When you find a malicious file, move it to the Trash — then empty the Trash again when you’re done.
Be careful: these folders also contain files belonging to legitimate apps — especially /Library/Application Support, where programs like Adobe, Google, and Microsoft store their data. Only delete files you’re confident are malicious. If you’re unsure about a file, search its exact name online first — or skip it; the Malwarebytes scan in the next step will catch what you miss.
STEP 3: Reset browsers back to default settings
In this third step, we will remove spam push notifications and malicious extensions, and change to default any settings that might have been changed by malware. For each browser that you have installed on your computer, please click on the tab below and follow the displayed steps to reset that browser.
Safari BrowserChrome for Mac BrowserFirefox for Mac Browser
Remove malicious extensions and settings from Safari
To remove malware from Safari we will check if there are any malicious extensions installed on your browser and what settings have been changed by this malicious program.
Go to Safari’s “Preferences”.
On the menu bar, click the “Safari” menu and select “Preferences”.
Check Homepage.
This will open a new window with your Safari preferences, opened to the “General” tab. Some browser hijackers may change your default homepage, so in the Homepage field make sure it’s a web page you want to use as your start-up page.
Click “Extensions”
Next, click on the “Extensions” tab.
Find and uninstall malicious extensions.
The “Extensions” screen will be displayed with a list of all the extensions installed on Safari. Look out for any suspicious browser extension that could be behind all the drama – anything you don’t remember downloading or that doesn’t sound like a genuine extension. By default, there are no extensions installed on Safari so it’s safe to remove an extension
Remove spam notifications ads
Click Preferences, click Websites, then click Notifications. Deselect “Allow websites to ask for permission to send push notifications”.
Remove all data stored by websites on your computer.
In the Safari menu, choose “Preferences…”, select “Privacy” at the top of the new window that appears, and then click the “Manage Website Data” button.
In the next dialog box, click “Remove All“. It will ask you if you are sure you want to remove all data stored by websites on your computer. Select “Remove Now” to clear data that could be used to track your browsing.
Empty Safari Caches.
From your Safari menu bar, click Safari and select Preferences, then select the Advanced tab. Enable the checkbox to “Show Develop menu in menu bar“.
From the menu bar select Develop, then click on Empty Caches as seen in the image below.
Remove malware from Chrome for Mac
To remove malware from Chrome for Mac we will reset the browser settings to their default. Doing these steps will erase all configuration information from Chrome such as your home page, tab settings, saved form information, browsing history, and cookies. This process will also disable any installed extensions. All of your bookmarks, though, will be preserved.
Click on the three dots at the top right and go to Settings.
Click on Chrome’s main menu button, represented by three dots at the top right corner. Now click on the menu option labeled Settings as shown by the arrow in the picture below, which will open the basic settings screen.
In the left sidebar, click on the “Reset and Cleanup” option.
In the left sidebar, click on “Reset and clean up“.
Click “Reset settings to their original defaults”.
Now click on the “Reset settings to their original defaults”. link as shown in the image below.
Click “Reset Settings” button.
A confirmation dialog should now be displayed, detailing the components that will be restored to their default state should you continue with the reset process. To complete the restoration process, click on the “Reset Settings” button.
(Optional) Reset Chrome Data Sync.
In case a malicious extension reinstalls itself even after performing a browser reset, you have an additional option to reset the data sync for your browser. To do this, navigate to chrome.google.com/sync and click on the Clear Data button.
Remove malware from Firefox for Mac
To remove malware from Firefox for Mac we will reset the browser settings to its default. The reset feature fixes many issues by restoring Firefox to its factory default state while saving your essential information like bookmarks, passwords, web form auto-fill information, browsing history, and open tabs.
Go to the “Help” menu.
Click on Firefox’s main menu button, represented by three horizontal lines. When the drop-down menu appears, select the option labeled “Help“.
Click “Troubleshooting Information”.
Next click on the “Troubleshooting Information” option as indicated by the arrow in the image below. This will bring you to a Troubleshooting page.
Click on “Refresh Firefox”
Click the “Refresh Firefox” button in the upper-right corner of the “Troubleshooting Information” page.
Confirm.
To continue, click on the “Refresh Firefox” button in the new confirmation window that opens.
Click on “Finish”.
Firefox will close itself and will revert to its default settings. When it’s done, a window will list the information that was imported. Click on the “Finish“.
Your old Firefox profile will be placed on your desktop in a folder named “Old Firefox Data“. If the reset didn’t fix your problem you can restore some of the information not saved by copying files to the new profile that was created. If you don’t need this folder any longer, you should delete it as it contains sensitive information.
STEP 4: Run a scan with Malwarebytes for Mac to remove malware
In this final step, we will scan the computer with Malwarebytes for Mac to find and remove any malicious programs that might be installed on your Mac.
Malwarebytes for Mac is a free on-demand scanner that removes the malware other security software tends to miss — adware, browser hijackers, and unwanted programs included. Cleaning an infected Mac with Malwarebytes has always been completely free, and it’s our go-to recommendation. Follow the steps below to scan and clean your Mac in just a few minutes.
Download Malwarebytes for Mac
Click the button below to download the latest version of Malwarebytes for Mac.
When the download finishes, open your Downloads folder and double-click the setup file to begin the installation.
Follow the On-Screen Prompts to Install Malwarebytes
The Malwarebytes for Mac Installer will guide you through a few quick screens. Click “Continue” and keep following the prompts until the installation completes.
When the installation is complete, Malwarebytes opens to the Welcome to Malwarebytes screen. Click “Get started“.
Select “Personal Computer” or “Work Computer”
Malwarebytes will ask what type of computer you’re installing it on. Click either Personal Computer or Work Computer, whichever applies.
Start the Scan
Click the “Scan” button. Malwarebytes will automatically update its detection database and begin checking your Mac for malware.
Wait for the Scan to Finish
Malwarebytes will scan your Mac for adware, browser hijackers, and other malicious programs. This can take a few minutes, so feel free to do something else — just check back occasionally to see the progress.
Quarantine the Detected Threats
When the scan is done, you’ll see a list of everything Malwarebytes found. Click the “Quarantine” button to remove all the threats at once.
Restart Your Mac
Malwarebytes will now remove all the malicious files it found. Some threats can only be fully removed after a reboot — if Malwarebytes asks you to restart, allow it. Once you’re logged back in, your Mac is clean.
Your Mac should now be free of Trojan Viruses and other malware.
If your current antivirus allowed a malicious program on your computer, you might want to consider purchasing the full-featured version of Malwarebytes Anti-Malware to protect against these types of threats in the future. If you are still experiencing problems while trying to remove a malicious program from your computer, please ask for help in our Mac Malware Removal Help & Support forum.
Removal Instructions for Android
Remove Trojan Viruses from Android
To remove Trojan Viruses and other malware from your phone or tablet, follow these steps:
In this first step, we will check if any malicious apps are installed on your phone. Sometimes browser hijackers or adware apps can have usable Uninstall entries that can be used to remove these apps.
Open the “Settings” menu.
Tap on the “Settings” app from your phone menu or home screen.
Tap on “Apps”.
When the “Settings” menu opens, tap on “Apps” (or “App Manager”) to see all the installed applications on your phone.
Find the malicious app.
The “Apps” screen will be displayed with a list of all the applications that are installed on your phone. Scroll through the list and look out for any suspicious app that could be behind all the drama – anything you don’t remember downloading or that doesn’t sound like a genuine program. Most often, cyber criminals hide malware inside video or photo editing apps, weather apps, and camera apps.
Uninstall the malicious app
When you find a suspicious or malicious app, tap on it to uninstall it. This won’t start the app but will open up the app details screen. If the app is currently running press the “Force stop” button, then tap on “Uninstall”.
A confirmation dialog should be displayed to confirm you want to uninstall the app, tap on “OK” to remove the malicious app from your phone.
STEP 2: Reset browsers back to default settings
In this second step, we will reset your browser to its default settings to remove spam notifications, unwated search redirects, and restore its factory settings
Resetting the browser settings to their default it’s an easy task on Windows or Mac computers; however, when it comes to Android, this can’t be done directly because it’s not an option built-in into the browser settings. Restoring the browser settings on Android can be done by clearing the application data. This will remove all the cookies, cache, and other site settings that may have been saved. So let’s see how we can restore your browser to its factory settings.
Chrome for AndroidFirefoxOperaSamsung Internet BrowserMicrosoft Edge
Remove malware from Chrome for Android
To reset Chrome for Android to its default settings, follow the below steps:
Open the “Settings” menu.
Tap on the “Settings” app from your phone menu or home screen.
Tap on “Apps”.
When the “Settings” menu opens, tap on “Apps” (or “App Manager”) to see all the installed applications on your phone.
Find and tap on Chrome.
The “Apps” screen will be displayed with a list of all the apps installed on your phone. Scroll through the list until you find the Chrome app, then tap on it to open the app’s details.
Tap “Storage”.
When Chrome’s app info menu is displayed, tap on “Storage“.
Tap “Manage Space”.
Under the storage settings, you will get two options — Manage Space and Clear Cache. Tap on “Manage Space“.
Tap “Clear all data”.
Tap “Clear all data” to delete all Chrome’s data including accounts, bookmarks, and your settings to reset the default settings.
Confirm by tapping “Ok”.
A confirmation dialog should now be displayed, detailing the components that will be restored to their default state should you continue with the reset process. To complete the restoration process, tap “Ok“.
Remove malware from Firefox for Android
To reset Firefox for Android to its default settings, follow the below steps:
Open the “Settings” menu.
Tap on the “Settings” app from your phone menu or home screen.
Tap on “Apps”.
When the “Settings” menu opens, tap on “Apps” (or “App Manager”) to see all the installed applications on your phone.
Find and tap on Firefox.
The “Apps” screen will be displayed with a list of all the apps installed on your phone. Scroll through the list until you find the Firefox app, then tap on it to open the app’s details.
Tap “Storage”.
When Firefox’s app info menu is displayed, tap on “Storage“.
Tap “Manage Space”.
Under the storage settings, you will get two options — Manage Space and Clear Cache. Tap on “Manage Space“.
Tap “Clear all data”.
Tap “Clear all data” to delete all Firefox data including accounts, bookmarks, and your settings to reset the default settings.
Confirm by tapping “Ok”.
A confirmation dialog should now be displayed, detailing the components that will be restored to their default state should you continue with the reset process. To complete the restoration process, tap “Ok“.
Remove malware from the Opera browser
To reset the Opera browser to its default settings, follow the below steps:
Open the “Settings” menu.
Tap on the “Settings” app from your phone menu or home screen.
Tap on “Apps”.
When the “Settings” menu opens, tap on “Apps” (or “App Manager”) to see all the installed applications on your phone.
Find and tap on Opera.
The “Apps” screen will be displayed with a list of all the apps installed on your phone. Scroll through the list until you find the Opera app, then tap on it to open the app’s details.
Tap “Storage”.
When Opera’s app info menu is displayed, tap on “Storage“.
Tap “Manage Space”.
Under the storage settings, you will get two options — Manage Space and Clear Cache. Tap on “Manage Space“.
Tap “Clear all data”.
Tap “Clear all data” to delete all Opera’s data including accounts, bookmarks, and your settings to reset the default settings.
Confirm by tapping “Ok”.
A confirmation dialog should now be displayed, detailing the components that will be restored to their default state should you continue with the reset process. To complete the restoration process, tap “Ok“.
Remove malware from Samsung Internet Browser
To reset the Samsung Internet Browser to its default settings, follow the below steps:
Open the “Settings” menu.
Tap on the “Settings” app from your phone menu or home screen.
Tap on “Apps”.
When the “Settings” menu opens, tap on “Apps” (or “App Manager”) to see all the installed applications on your phone.
Find and tap on Samsung Internet Browser.
The “Apps” screen will be displayed with a list of all the apps installed on your phone. Scroll through the list until you find the Samsung Internet Browser app, then tap on it to open the app’s details.
Tap “Storage”.
When the Samsung Internet Browser’s app info menu is displayed, tap on “Storage“.
Tap “Manage Space”.
Under the storage settings, you will get two options — Manage Space and Clear Cache. Tap on “Manage Space“.
Tap “Clear all data”.
Tap “Clear all data” to delete all Samsung Internet Browser’s data including accounts, bookmarks, and your settings to reset the default settings.
Confirm by tapping “Ok”.
A confirmation dialog should now be displayed, detailing the components that will be restored to their default state should you continue with the reset process. To complete the restoration process, tap “Ok“.
Remove malware from Microsoft Edge for Android
To reset the Microsoft Edge for Android to its default settings, follow the below steps:
Open the “Settings” menu.
Tap on the “Settings” app from your phone menu or home screen.
Tap on “Apps”.
When the “Settings” menu opens, tap on “Apps” (or “App Manager”) to see all the installed applications on your phone.
Find and tap on Microsoft Edge.
The “Apps” screen will be displayed with a list of all the apps installed on your phone. Scroll through the list until you find the Microsoft Edge app, then tap on it to open the app’s details.
Tap “Storage”.
When the Microsoft Edge’s app info menu is displayed, tap on “Storage“.
Tap “Manage Space”.
Under the storage settings, you will get two options — Manage Space and Clear Cache. Tap on “Manage Space“.
Tap “Clear all data”.
Tap “Clear all data” to delete all Microsoft Edge’s data including accounts, bookmarks, and your settings to reset the default settings.
Confirm by tapping “Ok”.
A confirmation dialog should now be displayed, detailing the components that will be restored to their default state should you continue with the reset process. To complete the restoration process, tap “Ok“.
STEP 3: Use Malwarebytes for Android to remove malicious apps
In this final step, we will install Malwarebytes for Android to scan and remove malicious apps from your phone or tablet.
Malwarebytes for Android automatically detects and removes dangerous threats like malware and ransomware so you don’t have to worry about your most-used device being compromised. Aggressive detection of adware and potentially unwanted programs keeps your Android phone or tablet running smooth.
Download Malwarebytes for Android.
You can download Malwarebytes for Android by clicking the link below.
In the Google Play Store, tap “Install” to install Malwarebytes for Android on your device.
When the installation process has finished, tap “Open” to begin using Malwarebytes for Android. You can also open Malwarebytes by tapping on its icon in your phone menu or home screen.
Follow the on-screen prompts to complete the setup process
When Malwarebytes will open, you will see the Malwarebytes Setup Wizard which will guide you through a series of permissions and other setup options. This is the first of two screens that explain the difference between the Premium and Free versions. Swipe this screen to continue. Tap on “Got it” to proceed to the next step. Malwarebytes for Android will now ask for a set of permissions that are required to scan your device and protect it from malware. Tap on “Give permission” to continue. Tap on “Allow” to permit Malwarebytes to access the files on your phone.
Update database and run a scan with Malwarebytes for Android
You will now be prompted to update the Malwarebytes database and run a full system scan.
Click on “Update database” to update the Malwarebytes for Android definitions to the latest version, then click on “Run full scan” to perform a system scan.
Wait for the Malwarebytes scan to complete.
Malwarebytes will now start scanning your phone for adware and other malicious apps. This process can take a few minutes, so we suggest you do something else and periodically check on the status of the scan to see when it is finished.
Click on “Remove Selected”.
When the scan has been completed, you will be presented with a screen showing the malware infections that Malwarebytes for Android has detected. To remove the malicious apps that Malwarebytes has found, tap on the “Remove Selected” button.
Restart your phone.
Malwarebytes for Android will now remove all the malicious apps that it has found. To complete the malware removal process, Malwarebytes may ask you to restart your device.
Your phone or tablet should now be free of Trojan Viruses and other malware.
If your current antivirus allowed a malicious app on your phone, you may want to consider purchasing the full-featured version of Malwarebytes to protect against these types of threats in the future. If you are still having problems with your phone after completing these instructions, then please follow one of the steps:
Restore your phone to factory settings by going to Settings > General management > Reset > Factory data reset.
Preventing trojan viruses from ever gaining a foothold is just as critical as removing existing ones. Follow cyber hygiene best practices:
Maintain updated antivirus, firewall, and anti-malware software. Schedule regular scans.
Never open email attachments or click links from random or suspicious messages.
Avoid downloading programs from unofficial sites – stick to reputable sources only.
Install browser extensions like ScriptSafe to block untrusted code on pages.
Make periodic backups of your operating system and files in case you need to reset your computer.
Be wary of public USB charging stations which could deploy USB trojan virus infections.
Layers of proactive precautions will greatly minimize vulnerabilities that trojan viruses exploit to infiltrate systems and proliferate.
Frequently Asked Questions on Trojan Viruses
Trojan viruses employ devious tricks to infect computers undetected. This FAQ answers common questions on how trojan viruses work, how to remove them, and how to stay protected.
What are the most common ways trojan viruses spread?
Fake downloads, malicious email attachments, compromised sites, infected USB drives, and worm propagation via networks are some of the most common infection methods.
What are signs my device has a trojan virus?
Unfamiliar processes running, antivirus alerts, disabled security settings, system slowdowns, frequent crashes, network spikes, and corrupted files are potential indicators.
What sensitive data are trojan viruses trying to steal?
Keyloggers and clipboard scraping aim to steal passwords, bank/credit card details, social security numbers, private documents, emails, and any other valuable info.
Can a trojan virus take over my webcam and spy on me?
Yes, trojan viruses can covertly activate webcams and microphones to spy on victims without their knowledge once installed.
How do trojan viruses hide themselves so well from antivirus?
They use rootkit techniques to conceal themselves in system folders, registries, and processes under stealthy names. This makes detection harder.
How do I fully remove a trojan virus infection?
Layer antivirus scans, anti-malware cleaning, monitor traffic, reinstall affected programs, reset system configurations, and reformat from a clean OS backup if needed.
Is completely removing an advanced trojan virus infection difficult?
Yes, the most sophisticated strains require persistence and a combination of tools to fully erase due to their embedding capabilities.
Can my iPhone or Android get infected by a trojan virus?
Yes, trojan viruses can infect iOS and Android devices, though Apple and Google app vetting make this less common than on Windows. Still risky though.
Should I avoid opening email attachments to protect against trojan viruses?
Definitely – opening attachments from any suspicious or unknown sender is extremely high-risk and a common trojan virus infection tactic.
What’s the best way to prevent trojan virus infections in the future?
Always install software only from official sources, don’t click random links or pop-ups, scan downloads with antivirus, avoid piracy sites, and maintain security tools.
By understanding their distribution methods and removal techniques, users can avoid falling victim to dangerous trojan virus infections. Prevention is always the best defense against malware.
The Bottom Line
Trojan viruses employ deceptive tricks straight from ancient mythology to disguise themselves as legitimate software and bypass security controls – only to unleash malicious actions from within compromised computers.
Spotting the subtle indicators of trojan virus infections and leveraging antivirus, anti-malware, monitoring, reinstalling programs, and system backups allows you to seek out and destroy even advanced trojan virus strains.
Vigilant cyber hygiene practices provide critical prevention to keep these insidious threats locked out of your devices and networks. With proper precautions and removal methods in place, trojan viruses need not be your Achilles’ heel.
Remove Trojan Viruses from Windows
Remove Trojan Viruses from Windows
Remove Trojan Viruses from Mac
Remove Trojan Viruses from Android
Didn’t find any suspicious programs? That’s fine — not all infections install visible apps. Just continue with the next step in this guide.
Didn’t find any suspicious programs? That’s fine — not all infections install visible apps. Just continue with the next step in this guide.
No Profiles section? Good news — that means no profiles are installed on your Mac, which is completely normal. Skip ahead to the next step of this guide.
