BrowserModifier:Win32/Xeelyak is a type of adware that changes a user’s web browser settings without their knowledge. It routinely redirects users to potentially unsafe websites, displays unwanted advertisements, and alters search results. This threat is typically installed on computers via deceptive downloads or as part of legitimate software bundles. Its primary goal is to generate revenue for its creators by either collecting user data for targeted advertising or via pay-per-click services.

Illustration for BrowserModifier:Win32/Xeelyak

How does it infect the computer?

Typically, a variety of deceptive approaches are used to infect computers with BrowserModifier:Win32/Xeelyak. This malware is often combined with downloadable files that appear to be legitimate freeware. This malicious practice is known as the bundling technique. When users accept the terms and conditions without thoroughly reading them during the installation process, they may accidentally install the adware. Furthermore, BrowserModifier:Win32/Xeelyak can spread through malicious email attachments or links masquerading as legitimate files or webpages. Once installed, BrowserModifier:Win32/Xeelyak is able to exploit vulnerabilities in the operating system or web browser application to take control and modify browser settings without the user’s consent.

BrowserModifier:Win32/Xeelyak also enters the computer by exploiting security flaws in outdated software and browser plug-ins. This shows how vital it is for computer users to always have updated programs. Moreover, the attackers behind BrowserModifier:Win32/Xeelyak may trick users into installing dangerous software by using social engineering techniques and misleading methods such as fake Adobe or Google Chrome updates.

How does this malware operate?

When BrowserModifier:Win32/Xeelyak infects a computer, it usually begins to alter the user’s online surfing experience. Unwanted advertisements may be inserted into webpages, sponsored links may be included in search results, or users may be directed to potentially harmful websites. Malware such as BrowserModifier:Win32/Xeelyak can be bothersome and disruptive, but unlike viruses or malware, it rarely causes direct damage to the computer’s files or system. Nonetheless, it can jeopardize a web user’s privacy by collecting browsing history and other private data without authorization, potentially leading to identity theft or targeted advertising.

While BrowserModifier:Win32/Xeelyak may not directly harm a computer, its presence can significantly reduce the user experience and jeopardize online security. Aggressive types of advertisements and redirects can slow down the browser, which may cause annoyances to users. The ability of BrowserModifier:Win32/Xeelyak to collect and transfer user data without their consent raises serious privacy concerns. While not as harmful as viruses or Trojans, BrowserModifier:Win32/Xeelyak poses a threat to computer users’ online security and privacy.


If a computer is infected with BrowserModifier:Win32/Xeelyak, users may likely experience visible symptoms. Increased pop-up advertising when browsing, unexpected changes to the browser’s search engine or homepage, and frequent redirects to unknown websites are some of the signs. Furthermore, due to BrowserModifier:Win32/Xeelyak’s background operations, users may see a decrease in browsing speed and general system performance.

For more help

BrowserModifier:Win32/Xeelyak has many variants, that were made to aggressively attack the internet browser application. A list of BrowserModifier is provided along with removal procedures.

How to remove BrowserModifier:Win32/Xeelyak?

To totally remove BrowserModifier:Win32/Xeelyak from the computer and get rid of relevant viruses and trojans, please execute the procedures as stated on this page. Make sure that you have completely scanned the system with the suggested malware removal tools and virus scanners.

Quick Fix - Scan the PC with Combo Cleaner for Windows

Combo Cleaner is a trusted PC security and optimization tool equipped with a powerful virus and malware detection engine. This program can get rid of hazardous viruses like BrowserModifier:Win32/Xeelyak through this procedure.

1. Download the application from the following page:

2. Save the file to your preferred location.

3. Double-click the downloaded file CCSetup.exe and install with the default settings.

CC for Windows Installation

4. At the end of the setup process, click Finish to run Combo Cleaner.

5. The tool will update the signature file, please wait for this process to complete.

6. To begin checking for threats like BrowserModifier:Win32/Xeelyak, click on the Start Scan button. Wait for this scan to finish.

CC for Windows Start Scan

7. At the end of the scan process, click on Remove all threats to delete the BrowserModifier:Win32/Xeelyak virus, including all malicious objects from the computer.

Free features of Combo Cleaner for Windows include Disk Cleaner, Big Files finder, Duplicate files finder, and Uninstaller. To use antivirus, privacy scanner, and to delete identified threats, users have to upgrade to a premium version.

Please continue with the succeeding removal procedures if you are comfortable manually getting rid of the virus and malicious items linked to it.

Step 1 : Start Windows in Safe Mode With Networking

The method of running Windows in Safe Mode before running a virus scan is effective in getting rid of BrowserModifier:Win32/Xeelyak. This process can prevent most viruses and malware from loading, making it easier to detect and remove them.

1. On the Windows Search bar, please type msconfig.

Screenshot of MSConfig Command

2. Select and open System Configutation on the list of found results.

3. Once you are in the System Configuration window, go to the Boot tab.

Screenshot of SafeBoot

4. Under the Boot Options area, please check Safe Boot and select Network. This will allow Windows to boot in Safe Mode with Networking.

5. Lastly, click on Apply and OK to save the changes.

6. Please restart Windows.

Do not forget to restore the normal boot process of Windows after running the virus scan. Simply repeat the method above, and this time, uncheck the Safe Boot option to run Windows normally.

Step 2 : Run a virus scanner

To remove BrowserModifier:Win32/Xeelyak, we suggest that you scan the infected computer with this powerful virus removal tool. It can detect and get rid of Trojans, viruses, malware, and adware from the infected computer. To fully protect the computer against BrowserModifier:Win32/Xeelyak or similar attacks, you can activate Sophos to have real-time scanning and complete defense against all forms of threats.

1. Download Sophos Virus Removal Tool from the link below. Save the file on your computer where you can easily access it.

2. Once the download completes, browse the location of the file. Double-click to run the program and begin the install process.

3. On the first window of installation wizard, click Next to continue. Then, it will display the program’s License Agreement. You need to Accept the terms in order to proceed. If Windows prompts for User Account Control, please click Yes to proceed.

Screenshot of Sophos EULA Page

4. On succeeding windows, click Next or Continue to carry on with the installation. After completing the installation process, Launch Sophos Virus Removal Tool.

5. An internet connection is required when running this scanner in order to download important updates. Make sure that everything is up-to-date to effectively remove viruses like BrowserModifier:Win32/Xeelyak.

6. Click the Start Scanning button to  carry out the Scan. This will check the system for the presence of malicious objects, malware, and viruses. The tool reveals items that were found linked to BrowserModifier:Win32/Xeelyak and other suspicious entities. Be sure to remove all identified threats.

Screenshot of Sophos Virus Scan

After executing the above instructions, BrowserModifier:Win32/Xeelyak should have been completely removed from the computer. If there are still signs of infection or the computer is displaying unusual behaviors, please continue with the remaining procedures.

Another alternative for Windows 10/11 users is to scan the computer with Microsoft Defender Offline. This will run a virus scan in the recovery environment.

Step 3 : Double Check with Windows Security Apps

Microsoft Windows has a built-in security application that you can use to double-check if your computer is still infected with BrowserModifier:Win32/Xeelyak. For Windows 10/11 users, please run Windows Security.

Windows 10 / 11 Instructions:

Windows Security is a free tool that was built to help you remove BrowserModifier:Win32/Xeelyak, viruses, and other malicious items from Windows 10/11 systems. Follow these procedures to scan your computer with the tool:

1. Tap or click the Search charm, search for Windows Security, and then open the application.

Image of Windows Security Search

2. On the Home tab, click Virus and threat protection from the sidebar.

3. On the main window, click on Scan Options. Then, click on Full Scan button.

Image of Scan Options

4. Lastly, click on the Scan now button to start scanning for the presence of BrowserModifier:Win32/Xeelyak. The process may take a while to complete.

5. After the scan, Delete/Quarantine identified threats, whether they were relevant to BrowserModifier:Win32/Xeelyak or not. You may now restart Windows to complete the virus removal process.

For older versions of Windows, you can scan the computer for free with the Microsoft Malicious Software Removal Tool (MSRT 64-Bit). It is a stand-alone virus scanner tool that targets prevalent malware groups.

How to protect the computer from BrowserModifier:Win32/Xeelyak?

The initial defense that comes to mind for any computer user is to install an anti-virus or anti-malware program. This move is sensible and probably the most practical way to protect the computer against a BrowserModifier:Win32/Xeelyak attack. Hence, keep in mind that having security software does not guarantee full protection. The majority of the prevention still lies in being cautious of users, and therefore, we are providing the following information as guidelines to protect the computer from virus infection.

Avoid Malicious Websites

There are enormous numbers of websites that were made for the primary purpose of spreading BrowserModifier:Win32/Xeelyak. Normally, these sites are involved in integrating malicious pop-up and browser hijacker, that will eventually cause further virus infections. Avoid such websites.

Ignore and Delete Phishing Emails

The mass-mailing of computer viruses gives the attackers the luxury of spreading their malicious code in just one send-off. This will arrive in the inbox as an email that appears to be from a legitimate organization. So, if you receive an unexpected email with a link or an attached file, better delete it immediately.

Do Not Click a Suspicious Link

Links from social media, forums, and blog sites are sometimes being utilized by attackers to drive web users to a malicious page that contains malicious code. Therefore, do not just click on any link, especially if it looks suspicious. Accidental access to the destination site may lead to a BrowserModifier:Win32/Xeelyak infection.

Be Careful When Downloading Files

Cracked software, serial key generators, and several freeware are seen as another method that spreads the BrowserModifier:Win32/Xeelyak virus. Avoid acquiring these types of applications, and if there is a need to download freeware or shareware, be sure to obtain it from the official website or trusted providers.

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