BrowserModifier:MSIL/MediaArena — MediaArena Malware Removal

MediaArena is software that presents itself as a useful tool but actually reconfigures certain browser settings in order to steal your search queries. It disguises various functionalities such as a docx-to-pdf converter and a video-to-animated-GIF converter.

This software is distributed through advertisements displayed on web pages as part of an ongoing malvertising campaign. The victim is lured into clicking on the advertisement and may unknowingly install this tool on their workstation. All search queries entered by the victim are then redirected to a third party, where search results are accompanied by ads, and the queries themselves are collected and sold. This allows malicious actors to manipulate search results, gather data on your company, and inject targeted drive-by downloads, among other activities.

What does the pop-up with BrowserModifier:MSIL/MediaArena detect mean?

The BrowserModifier:MSIL/MediaArena detection you can see in the lower right side is demonstrated to you by Microsoft Defender. That anti-malware application is pretty good at scanning, but prone to be generally unstable. It is vulnerable to malware attacks, it has a glitchy interface and problematic malware-clearing capabilities. Therefore, the pop-up which states about the MediaArena is rather just a notification that Defender has actually detected it. To remove it, you will likely need to use another anti-malware program.

Microsoft Defender: “BrowserModifier:MSIL/MediaArena”

The exact BrowserModifier:MSIL/MediaArena infection is a very unpleasant thing. It sits inside of your computer disguised as a part of something benevolent, or as a part of the app you have got on a forum. Then, it makes all possible steps to weaken your system. At the end of this “party”, it downloads other malicious things – ones which are choosen by cybercriminals who manage this malware. Hence, it is likely impossible to predict the effects from MediaArena actions. And the unpredictability is one of the most upleasant things when we are talking about malware. That’s why it is better not to choose at all, and don’t let the malware to complete its task.

Threat Summary:

Name	MediaArena BrowserModifier
Detection	BrowserModifier:MSIL/MediaArena
Relation	PDFMagic.exe, PDFPower.exe
Details	BrowserModifier:MSIL/MediaArena is a classification used by Windows Defender to identify specific types of potentially unwanted browser extensions or add-ons that can modify your browser settings and behavior without your consent.

Is BrowserModifier:MSIL/MediaArena dangerous?

As mentioned before, there’s no such thing as harmless malware. BrowserModifier:MSIL/MediaArena is no exception. This virus harms your system. Cybercriminals can steal your data and sell it on the Darknet. They can also make money by displaying ads through adware and browser hijacking features in BrowserModifier:MSIL/MediaArena. Each ad view earns a small amount, but it adds up when victims have some views daily. With many victims viewing ads daily, that’s heavy profit. The math is straightforward, but the outcome is unfortunate. Being a victim of cybercriminals is not a wise choice. It can also:

Change your browser settings without consent, like your homepage, search engine, or extensions.
Redirect browsers to fake sites that steal sensitive information like login credentials and credit card details.
Inject and display unwanted advertisements, often pop-ups, banners, or in-text ads. These ads can be intrusive and disrupt your browsing experience.
Collect your browsing data and personal information, such as search history, login details, and sensitive data.