PUAMarketing:Win32/Comscore is the detection for a threat that is endorsing and propagating software applications that, while not hazardous, may have features that the user finds unpleasant. Adware, browser toolbars, search hijackers, and other programs that display unwanted advertisements, change browser settings, or collect user data are typically included in these detection methods. PUAMarketing:Win32/Comscore commonly involves bundling potentially unwanted apps with legitimate freeware or shareware.

Threats detected as PUAMarketing:Win32/Comscore are a sort of grey-hat marketing since the programs it promotes may not be malicious explicitly, but they might have a negative impact on the user’s online experience. Even though not all software identified as PUAMarketing:Win32/Comscore is dangerous, users should exercise caution and thoroughly review software installation processes to avoid unnecessary installation of the threat on their devices.

Illustration for PUAMarketing:Win32/Comscore

How does it infect the computer?

PUAMarketing:Win32/Comscore infects computers through a variety of misleading tactics. One common method is called “software bundling,” in which the PUA is included with legitimate freeware downloads. If users do not carefully proceed with the installation and accept all other apps in the bundle, they may accidentally install an unwanted program. Furthermore, PUAMarketing:Win32/Comscore can spread via fraudulent download links or advertisements that trick users into acquiring and installing them while pretending to be useful tools.

Additionally, compromised websites and malicious software updates are being used to spread PUAMarketing:Win32/Comscore. When users visit compromised websites or install a bogus Adobe or Google Chrome update, they may unintentionally get hold of the unwanted program. Once installed, the threat can display unwanted advertisements, change browser settings, and collect sensitive data from the compromised browser.

How does this malware operate?

The common payload of PUAMarketing:Win32/Comscore is usually to make money for its developers in some way. One common goal is to display intrusive advertisements to users, often in the form of pop-ups, banners, or sponsored links, in order to encourage clicks and generate advertising revenue. PUAMarketing:Win32/Comscore may also collect user data for targeted advertising campaigns or to sell to third-party advertisers, such as browsing habits, search histories, personal information, and so on. Furthermore, some PUAs attempt to promote specific products or services to users or redirect traffic to specific websites.

PUAs may also install additional toolbars or extensions or change browser settings in order to increase their visibility and control over users’ browsing experiences. This may include adding bookmarks or shortcuts to specific websites, as well as modifying the homepage, new tab page, and default search engine. These modifications cater to the sole interests of the attackers while also impairing the user experience and jeopardizing the security and privacy of victims.


There are several indicators that computer users may observe if the system is infected with PUAMarketing:Win32/Comscore. These can include an increase in the number of intrusive advertisements that appear when browsing the internet. Unexpected changes to the browser’s search engine or homepage, and the appearance of strange toolbars or extensions are other visible signs of the infection.

For more help

PUAMarketing:Win32/Comscore is included in the family of unwanted programs. To see more threats that belong to this group, you may visit the PUA list of malware.

How to remove PUAMarketing:Win32/Comscore?

To totally remove PUAMarketing:Win32/Comscore 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 PUAMarketing:Win32/Comscore 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 PUAMarketing:Win32/Comscore, 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 PUAMarketing:Win32/Comscore 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 PUAMarketing:Win32/Comscore. 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 PUAMarketing:Win32/Comscore, 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 PUAMarketing:Win32/Comscore 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 PUAMarketing:Win32/Comscore.

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 PUAMarketing:Win32/Comscore and other suspicious entities. Be sure to remove all identified threats.

Screenshot of Sophos Virus Scan

After executing the above instructions, PUAMarketing:Win32/Comscore 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 PUAMarketing:Win32/Comscore. 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 PUAMarketing:Win32/Comscore, 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 PUAMarketing:Win32/Comscore. The process may take a while to complete.

5. After the scan, Delete/Quarantine identified threats, whether they were relevant to PUAMarketing:Win32/Comscore 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 PUAMarketing:Win32/Comscore?

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 PUAMarketing:Win32/Comscore 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 PUAMarketing:Win32/Comscore. 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 PUAMarketing:Win32/Comscore infection.

Be Careful When Downloading Files

Cracked software, serial key generators, and several freeware are seen as another method that spreads the PUAMarketing:Win32/Comscore 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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