How To Remove Trj/GdSda.A Virus (Removal Guide)

Trj/GdSda.A is a heuristic detection designed to generically detect a Trojan Horse. Due to the generic nature of this threat, we are unable to provide specific information on what it does.

A typical behavior for Trojans like Trj/GdSda.A is one or all of the following:

Download and install other malware.
Use your computer for click fraud.
Record your keystrokes and the sites you visit.
Send information about your PC, including usernames and browsing history, to a remote malicious hacker.
Give a remote malicious hacker access to your PC.
Advertising banners are injected with the web pages that you are visiting.
Random web page text is turned into hyperlinks.
Browser popups appear which recommend fake updates or other software.

Files reported as Trj/GdSda.A may not necessarily be malicious. Should you be uncertain as to whether a file has been reported correctly, you can submit the affected file to https://www.virustotal.com/en/ to be scanned with multiple antivirus engines.

How to remove Trj/GdSda.A Adware (Virus Removal Guide)

This malware removal guide may appear overwhelming due to the amount of the 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 doubt at any point, STOP and ask for our assistance.

To remove Trj/GdSda.A Virus, follow these steps:

STEP 1: Use Malwarebytes to remove Trj/GdSda.A Virus
STEP 2: Use HitmanPro to Scan for Malware and Unwanted Programs
STEP 3: Double-check for malicious programs with Emsisoft Emergency Kit
STEP 4: Reset your browser to default settings

STEP 1: Use Malwarebytes to remove Trj/GdSda.A Virus

Malwarebytes is a powerful on-demand scanner which should remove the Trj/GdSda.A adware from Windows. It is important to note that Malwarebytes will run alongside antivirus software without conflicts.

You can download download Malwarebytes from the below link.
MALWAREBYTES DOWNLOAD LINK (This link open a new page from where you can download “Malwarebytes”)
When Malwarebytes has finished downloading, double-click on the “mb3-setup-consumer” file to install Malwarebytes on your computer.

You may be presented with an User Account Control pop-up asking if you want to allow Malwarebytes to make changes to your device. If this happens, you should click “Yes” to continue with the installation.
When the Malwarebytes installation begins, you will see the Malwarebytes Setup Wizard which will guide you through the installation process.

To install Malwarebytes on your machine, keep following the prompts by clicking the “Next” button.
Once installed, Malwarebytes will automatically start and update the antivirus database. To start a system scan you can click on the “Scan Now” button.
Malwarebytes will now start scanning your computer for malicious programs.
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.
When the scan has completed, you will be presented with a screen showing the malware infections that Malwarebytes has detected.
To remove the malicious programs that Malwarebytes has found, click on the “Quarantine Selected” button.
Malwarebytes will now quarantine all the malicious files and registry keys that it has found.
To complete the malware removal process, Malwarebytes may ask you to restart your computer.

When the malware removal process is complete, you can close Malwarebytes and continue with the rest of the instructions.

STEP 2: Use HitmanPro to Scan for Malware and Unwanted Programs

HitmanPro can find and remove malware, adware, bots, and other threats that even the best antivirus suite can oftentimes miss. HitmanPro is designed to run alongside your antivirus suite, firewall, and other security tools.

You can download HitmanPro from the below link:
HITMANPRO DOWNLOAD LINK (This link will open a new web page from where you can download “HitmanPro”)
When HitmanPro has finished downloading, double-click on the “hitmanpro” file to install this program on your computer.

You may be presented with an User Account Control pop-up asking if you want to allow HitmanPro to make changes to your device. If this happens, you should click “Yes” to continue with the installation.
When the program starts you will be presented with the start screen as shown below. Now click on the Next button to continue with the scan process.
HitmanPro will now begin to scan your computer for malware.
When it has finished it will display a list of all the malware that the program found as shown in the image below. Click on the “Next” button, to remove malware.
Click on the “Activate free license” button to begin the free 30 days trial, and remove all the malicious files from your computer.

When the process is complete, you can close HitmanPro and continue with the rest of the instructions.

STEP 3: Double-check for malicious programs with Emsisoft Emergency Kit

The Emsisoft Emergency Kit Scanner includes the powerful Emsisoft Scanner complete with graphical user interface. Scan the infected PC for Viruses, Trojans, Spyware, Adware, Worms, Dialers, Keyloggers and other malicious programs.

You can download Emsisoft Emergency Kit from the below link.
EMSISOFT EMERGENCY KIT DOWNLOAD LINK (This link will open a new web page from where you can download Emsisoft Emergency Kit)
Double-click on the “EmsisoftEmergencyKit” icon, then click on the “Extract” button.
On your desktop you should now have a “Start Extract Emsisoft Emergency Kit” icon, double-click on it, then when the program will start allow it to update its database.
Once the Emsisoft Emergency Kit has update has completed,click on the “Scan” tab, and perform a “Smart Scan“.
When the scan will be completed,you will be presented with a screen reporting which malicious files has Emsisoft detected on your computer, and you’ll need to click on Quarantine selected objects to remove them.

STEP 4: Reset your browser to default settings

If you are still experiencing issues with the Trj/GdSda.A adware from Internet Explorer, Firefox or Chrome, we will need to reset your browser to its default settings.
This step should be performed only if your issues have not been solved by the previous steps.

Google Chrome

Google Chrome has an option that will reset itself to its default settings. You might need to do this if apps or extensions you installed changed your settings without your knowledge. Your saved bookmarks and passwords won’t be cleared or changed.

On your computer, open Google Chrome.
At the top right, click “More” (represented by the three dots) and then “Settings”
At the bottom, click “Show advanced settings”.
Under the section “Reset settings”, click Reset settings.
In the box that appears, click Reset.

Internet Explorer

You can reset Internet Explorer settings to return them to the state they were in when Internet Explorer was first installed on your PC.

Open Internet Explorer, click on the “gear icon” in the upper right part of your browser, then click again on Internet Options.
In the “Internet Options” dialog box, click on the “Advanced” tab, then click on the “Reset” button.
In the “Reset Internet Explorer settings” section, select the “Delete personal settings” check box, then click on “Reset” button.
When Internet Explorer has completed its task, click on the “Close” button in the confirmation dialogue box. You will now need to close your browser, and then you can open Internet Explorer again.

Mozilla Firefox

If you’re having problems with Firefox, resetting it can help. 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.

In the upper-right corner of the Firefox window, click the Firefox menu button, then click on the “Help” button.
From the Help menu, choose Troubleshooting Information.
If you’re unable to access the Help menu, type about:support in your address bar to bring up the Troubleshooting information page.
Click the “Refresh Firefox” button in the upper-right corner of the “Troubleshooting Information” page.
To continue, click on the “Refresh Firefox” button in the new confirmation window that opens.
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.

Your computer should now be free of the Trj/GdSda.A malware.
If you are still experiencing problems while trying to remove Trj/GdSda.A adware from your device, please do one of the following:

Run a computer scan with ESET Online Scanner
Ask for help in our Malware Removal Assistance forum.

Here are 10 basic security tips to help you avoid malware and protect your device:

To avoid potential dangers on the internet, it's important to follow these 10 basic safety rules. By doing so, you can protect yourself from many of the unpleasant surprises that can arise when using the web.