How to Remove Adware:MSIL/BrowserAssistant on Windows 10/11?

What Is Adware:MSIL/BrowserAssistant?

Adware:MSIL/BrowserAssistant is a type of browser hijacker that can disrupt the functioning of the operating system. Once your computer is infected by this threat, it will display advertisements to your OS in a variety of forms.

What’s worse, if you click on these fake advertisements by mistake, some malware might get installed in the system without your knowledge or consent. Usually, you can receive Adware BrowserAssistant along with one of the following descriptions in Windows Defender:

• This program is dangerous and executes commands from an attacker.
• This program delivers potentially unwanted advertisements to your computer.

How to remove Adware:MSIL/BrowserAssistant to prevent further loss? In the second section of this post, we will show you 5 ways on that.

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How to Remove Adware:MSIL/BrowserAssistant on Windows 10/11?

Preparation: Back up Crucial Data with MiniTool ShadowMaker

When the operating system is under threats of Adware:MSIL/BrowserAssistant, it tends to leak out, steal, or corrupt your important data. Therefore, it is essential to back up valuable data in advance. Speaking of backup, you can try a piece of freeware called MiniTool ShadowMaker.

This PC backup software can satisfy all your needs in backing up files, folders, disks, partitions, and systems. Also, it supports creating an automatic backup schedule so that you don’t have to back up tasks manually from time to time. Now, let’s see how to backup files with MiniTool ShadowMaker:

Step 1. Launch MiniTool ShadowMaker Trial Edition and hit Keep Trial to enter its main interface.

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Step 2. In the Backup page, click on SOURCE > Folders and Files to select the files you want to protect.

Step 3. As for a storage path, go to DESTINATION to select a USB flash drive or an external hard drive.

Step 4. After making your choice, click on Back Up Now to start the process at once.

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Solution 1: Uninstall Problematic Programs

At first, you should uninstall the unwanted bundled programs in Programs and Features to restrict more actions. Here’s how to do it:

Step 1. Press Win + R to open the Run box.

Step 2. Type appwiz.cpl and hit Enter to open Programs and Features.

Step 3. Scroll down to find a recently installed program, right-click on it, and then choose Uninstall.

Step 4. Confirm this action and follow the uninstallation wizard to complete the rest of the process.

Solution 2: Remove Unknown Extensions

At times, Adware:MSIL/BrowserAssistant!MTB might hijack your browser and install some malicious extensions without any consent. Therefore, you need to remove them in time. Here’s how to delete extensions on Google Chrome:

Step 1. Launch your browser.

Step 2. Click on the three-dot icon in the top right corner and select Settings.

Step 3. In the Extensions section, check if there are any unknown extensions. If yes, toggle them off and remove them one by one.

Also see: How to Remove Extensions from Chrome and Other Popular Browsers

Solution 3: Reset Browser Settings

Adware:MSIL/BrowserAssistant!MSR can even change the settings of your browser. In this condition, you need to cancel these changes by resetting your browser to its original defaults. Follow these steps to reset your Google Chrome:

Step 1. Open the settings of your browser.

Step 2. In the Reset settings section, click on Restore settings to their original defaults.

Step 3. After knowing what Reset settings does, tap on Reset settings to confirm this operation.

Solution 4: Perform a Full Scan

To remove Adware:MSIL/BrowserAssistant thoroghly, you can perform an more extensive scan with Windows Defender. Here’s how to do it:

Step 1. Press Win + I to open Windows Settings.

Step 2. In the settings menu, scroll down to find Update & Security and hit it.

Step 3. In the Windows Security tab, hit Virus & threat protection > Scan options.

Step 4. Tick Full scan and hit Scan now to start the process. 

Solution 5: Remove the Threat with Third-Party Antivirus Program

If everything fails, you can resort to third-party professional antivirus programs like Malwarebytes, McAfee, Avast, and more to detect and remove all traces of Adware BrowserAssistant infection. Here, we will show you how to remove this threat with Malwarebytes as an example:

Step 1. Download Malwarebytes on your computer.

Step 2. After downloading, double-click on the MBSetup.exe and follow the instructions on the screen to install it.

Step 3. Launch this program to enter the welcome screen.

Step 4. Tap on Get started and select Scan.

Step 5. If it finds any threats like Adware:MSIL/BrowserAssistant, hit Quarantine to remove them.

Final Words

Now, you can have a better understanding of the definition and removal of Adware:MSIL/BrowserAssistant. Meanwhile, data security cannot be ignored, so we also recommend a useful tool called MiniTool ShadowMaker to protect your data and system. In case of emergency, you can restore your data easily with the backup.