Remove Security Test Browser Extension (Virus Removal Guide)

Security Test is a browser extension that displays pop-up ads and unwanted advertisements not originating from the sites you are browsing.

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What is Security Test?

Security Test is a Google Chrome extension that allows to “easily determine whether your IP address and domain are secure” and has the ID “ibldhanklliecaobcjidhonfjnihjicc”.

When installed, Security Test displays advertisements trying to sell software, pushes fake software updates, and tech support scams.

When the Security Test browser hijacker is installed on a computer, common symptoms include:

The Security Test program or browser extension is installed on your computer.
Advertisements appear in places they shouldn’t be.
Website links redirect to sites different from what you expected.
Browser popups appear which recommend fake updates or other software.
Other unwanted programs might get installed without your knowledge.

How did Security Test get on my computer?

Security Test is installed by the users, whether that is knowingly or not. Often, this type of program is offered through advertisements or bundled with other software, leaving the user puzzled about where this software came from.
Unfortunately, some free downloads do not adequately disclose that other software will also be installed and you may find that you have installed Security Test without your knowledge.

To remove the Security Test adware and check your computer for other malicious programs, please use the free malware removal guide below.

Remove Security Test browser hijacker (Virus Removal Guide)

The below instructions are for Windows users, however, we also have an Android Guide and a Mac Guide which should help clean up your device.

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.

To remove the Security Test browser hijacker, follow these steps:

STEP 1: Use AdwCleaner to remove Security Test malicious browser policies
STEP 2: Remove Security Test extension from the browser
STEP 3: Use Malwarebytes to remove Security Test browser hijacker
STEP 4: Use HitmanPro to scan your computer for Security Test and other malware

STEP 1: Use AdwCleaner to remove Security Test malicious browser policies

In this first step, we will use AdwCleaner to remove the malicious browser policies that were set by the Security Test browser hijacker on your computer and delete malicious browser extensions.

AdwCleaner is a free popular on-demand scanner that can detect and remove malware that even the most well-known anti-virus and anti-malware applications fail to find. This on-demand scanner includes a lot of tools that can be used to fix the side effects of browser hijackers.

Download AdwCleaner.

You can download AdwCleaner by clicking the link below.

ADWCLEANER DOWNLOAD LINK
(The above link will open a new web page from where you can download AdwCleaner)
Double-click on the setup file.

Double-click on the file named “adwcleaner_x.x.x.exe” to start AdwCleaner. In most cases, downloaded files are saved to the Downloads folder.

You may be presented with a User Account Control dialog asking you if you want to run this file. If this happens, you should click “Yes” to continue with the installation.
Enable “Reset Chrome policies” to remove Security Test browser policies.

When AdwCleaner starts, on the left side of the window, click on “Settings” and then enable “Reset Chrome policies“.
Click on “Scan Now”.

On the left side of the window, click on “Dashboard” and then click “Scan Now” to perform a system scan.
Wait for the AdwCleaner scan to complete.

AdwCleaner will now scan your computer for the Security Test browser hijacker and other malicious programs. This process can take a few minutes.
Click on “Clean & Repair”.

When AdwCleaner has finished it will display a list of all the malware that the program found. Click on the “Clean & Repair” button to remove the Security Test browser hijacker and other malicious programs from your computer.
Click on “Clean & Restart Now”

When the malware removal process is complete, AdwCleaner may need to restart your device. Click on the “Clean & Restart Now” button to finish the removal process.

STEP 2: Remove Security Test extension and search engine from the browser

In this second step, we will remove the Security Test browser extension from your browser and change to default any settings that might have been changed by this browser hijacker.

ChromeFirefoxMicrosoft EdgeInternet Explorer

Remove Security Test browser hijacker from Google Chrome

To remove Security Test from Google Chrome, we will remove the browser extension and then check the settings.

Remove the Security Test browser extension.

In the top right corner, click on Chrome’s main menu button, represented by three vertical dots. When the drop-down menu appears, click on “More tools“, then click on “Extensions“.

The “Extensions” screen will be displayed with a list of all the extensions installed on Chrome. Scroll through the list and search for the Security Test browser extension, and then click on “Remove” to remove it.

There may be other malicious extension installed on your browser. 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.
Change the search engine to Google.

In the top right corner, click on Chrome’s main menu button, represented by three vertical dots. When the drop-down menu appears, click on “Settings“.

On the left side of the window, click on “Search engine“, then click “Manage search engines…“. In the opened list look for Security Test, when located click the three vertical dots near this URL and select “Remove from list“.

Next, find Google Search, click the three vertical dots and select “Make default“.
Check the homepage and new tab settings.

In the top right corner, click on Chrome’s main menu button, represented by three vertical dots. When the drop-down menu appears, click on “Settings“.

In the “On startup” section, disable “Security Test” or any other extension, then select “Open the New Tab page” as your preferred setting.

If your browser is still being redirected by the Security Test extension after you’ve performed the above steps, we strongly recommend resetting Google Chrome to its default settings. To do this, type “chrome://settings/resetProfileSettings” in your browser URL bar, then click on “Reset settings“.

Remove Security Test browser hijacker from Firefox

To remove the Security Test extension from Firefox 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.

Click the menu icon, then click on “Help”.

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”.

From the Help menu, click on “Troubleshooting Information“.
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 “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 “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.

Remove Security Test browser hijacker from Microsoft Edge

To remove the Security Test extension from Microsoft Edge we will reset the browser settings to its 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 “Settings” menu.

In the top right corner, click on Microsoft Edge’s main menu button, represented by three horizontal dots. When the drop-down menu appears, click on “Settings“.”.
Click on “Reset Settings”.

On the left side of the window, click on “Reset Settings”.
Click on “Restore settings to their default values”.

In the main window, click on “Restore settings to their default values”.
Click “Reset”.

A confirmation dialog should now be displayed, detailing the components that will be restored to their default state should you continue on with the reset process. To complete the restoration process, click on the “Reset” button.

Remove Security Test browser hijacker from Internet Explorer

To remove the Security Test extension from Internet Explorer we will reset the browser settings to its 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.

Now that we have removed Security Test from your browser, we will scan the computer with Malwarebytes Anti-Malware to remove any malicious files or registry keys from your computer.

STEP 2: Use Malwarebytes to remove Security Test browser hijacker

In this next step, we will install Malwarebytes to scan and remove the Security Test malicious files and registry key from your computer.

Malwarebytes is one of the most popular and most used anti-malware software for Windows, and for good reasons. It is able to destroy many types of malware that other software tends to miss, without costing you absolutely nothing. When it comes to cleaning up an infected device, Malwarebytes has always been free and we recommend it as an essential tool in the fight against malware.

Download Malwarebytes Free.

You can download Malwarebytes by clicking the link below.

MALWAREBYTES DOWNLOAD LINK
(The above link will open a new page from where you can download Malwarebytes)
Double-click on the Malwarebytes setup file.

When Malwarebytes has finished downloading, double-click on the MBSetup file to install Malwarebytes on your computer. In most cases, downloaded files are saved to the Downloads folder.

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 Malwarebytes installation.
Follow the on-screen prompts to install Malwarebytes.

When the Malwarebytes installation begins, you will see the Malwarebytes setup wizard which will guide you through the installation process. The Malwarebytes installer will first ask you on what type of computer are you installing this program, click either Personal Computer or Work Computer.

On the next screen, click “Install” to install Malwarebytes on your computer.

When your Malwarebytes installation completes, the program opens to the Welcome to Malwarebytes screen. Click the “Get started” button.
Select “Use Malwarebytes Free”.

After installing Malwarebytes, you’ll be prompted to select between the Free and the Premium version. The Malwarebytes Premium edition includes preventative tools like real-time scanning and ransomware protection; however, we will use the Free version to clean up the computer.
Click on “Use Malwarebytes Free“.
Click on “Scan”.

To scan your computer with Malwarebytes, click on the “Scan” button. Malwarebytes will automatically update the antivirus database and start scanning your computer for Security Test browser hijacker and other malicious programs.
Wait for the Malwarebytes scan to complete.

Malwarebytes will scan your computer for Security Test browser hijacker and other 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.
Click on “Quarantine”.

When the scan has completed, you will be presented with a screen showing the malware infections that Malwarebytes has detected. To remove the Security Test extension and other malicious programs that Malwarebytes has found, click on the “Quarantine” button.
Restart computer.

Malwarebytes will now remove 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 4: Use HitmanPro to scan your computer for Security Test and other malware

In this final step, we will scan the computer with HitmanPro to ensure that no other malicious programs are installed on your device.

HitmanPro is a second opinion scanner that takes a unique cloud-based approach to malware scanning. HitmanPro scans the behavior of active files and also files in locations where malware normally resides for suspicious activity. If it finds a suspicious file that’s not already known, HitmanPro sends it to its clouds to be scanned by two of the best antivirus engines today, which are Bitdefender and Kaspersky.

Although HitmanPro is shareware and costs $24.95 for 1 year on 1 PC, there is actually no limit in scanning. The limitation only kicks in when there is a need to remove or quarantine detected malware by HitmanPro on your system and by then, you can activate the one time 30-days trial to enable the cleanup.

Download HitmanPro.

You can download HitmanPro by clicking the link below.

HITMANPRO DOWNLOAD LINK
(The above link will open a new web page from where you can download HitmanPro)
Install HitmanPro.

When HitmanPro has finished downloading, double-click on “hitmanpro.exe” (for 32-bit versions of Windows) or “hitmanpro_x64.exe” (for 64-bit versions of Windows) to install this program on your PC. In most cases, downloaded files are saved to the Downloads folder.

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.
Follow the on-screen prompts.

When HitmanPro starts you will be presented with the start screen as shown below. Click on the “Next” button to perform a system scan.
Wait for the HitmanPro scan to complete.

HitmanPro will now begin to scan your computer for Security Test browser hijacker and other malicious programs.
Click on “Next”.

When HitmanPro has finished the scan, it will display a list of all the malware that the program has found. Click on the “Next” button to remove Security Test adware and other malicious programs.
Click on “Activate free license”.

Click on the “Activate free license” button to begin the free 30 days trial and remove all the malicious files from your PC.

Your computer should now be free of the Security Test browser hijacker. If your current antivirus allowed this malicious program on your computer, you may want to consider purchasing Malwarebytes Premium 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:

Run a computer scan with ESET Online Scanner
Ask for help in our Windows Malware Removal Help & Support 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.