BrowserModifier:MSIL/MediaArena — MediaArena Malware Removal

Written by Wilbur Woodham
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.

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What does the pop-up with BrowserModifier:MSIL/MediaArena detection 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.

BrowserModifier:MSIL/MediaArena found

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.
Fix Tool See If Your System Has Been Affected by MediaArena BrowserModifier

Is BrowserModifier:MSIL/MediaArena dangerous?

As I have specified previously, non-harmful malware does not exist. And BrowserModifier:MSIL/MediaArena is not an exclusion. This virus changes the system setups, modifies the Group Policies and registry. All of these things are crucial for correct system operating, even in case when we are not talking about PC security. Therefore, the malware which MediaArena carries, or which it will inject after some time, will squeeze out maximum profit from you. Cyber burglars can grab your personal data, and then sell it on the Darknet. Using adware and browser hijacker functions, embedded in BrowserModifier:MSIL/MediaArena malware, they can make revenue by showing you the ads. Each view gives them a penny, but 100 views per day = $1. 1000 victims who watch 100 banners per day – $1000. Easy math, but sad conclusions. It is a bad choice to be a donkey for crooks.

How did I get this virus?

It is difficult to line the origins of malware on your PC. Nowadays, things are mixed up, and distribution ways utilized by adware 5 years ago can be utilized by spyware these days. However, if we abstract from the exact spreading way and will think of why it works, the explanation will be very basic – low level of cybersecurity understanding. Individuals press on advertisements on weird websites, open the pop-ups they get in their browsers, call the “Microsoft tech support” thinking that the strange banner that says about malware is true. It is very important to recognize what is legitimate – to avoid misconceptions when trying to determine a virus.

Microsoft tech support scam

The example of Microsoft Tech support scam banner

Nowadays, there are two of the most common ways of malware distribution – lure emails and also injection into a hacked program. While the first one is not so easy to stay away from – you need to know a lot to understand a counterfeit – the 2nd one is very easy to address: just do not utilize cracked programs. Torrent-trackers and various other providers of “totally free” applications (which are, in fact, paid, but with a disabled license checking) are just a giveaway point of malware. And BrowserModifier:MSIL/MediaArena is simply one of them.

How to remove the BrowserModifier:MSIL/MediaArena from my PC?

BrowserModifier:MSIL/MediaArena malware is very hard to delete by hand. It places its documents in multiple locations throughout the disk, and can restore itself from one of the elements. Moreover, various changes in the windows registry, networking settings and Group Policies are pretty hard to discover and revert to the original. It is far better to utilize a specific program – exactly, an anti-malware app. GridinSoft Anti-Malware will definitely fit the best for malware removal purposes.

Why GridinSoft Anti-Malware? It is really lightweight and has its detection databases updated just about every hour. Additionally, it does not have such bugs and exploits as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware suitable for removing malware of any form.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of MediaArena the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
How to Remove BrowserModifier:MSIL/MediaArena Malware

Name: BrowserModifier:MSIL/MediaArena

Description: If you have seen a message showing the “BrowserModifier:MSIL/MediaArena found”, it seems that your system is in trouble. The MediaArena virus was detected, but to remove it, you need to use a security tool. Windows Defender, which has shown you this message, has detected the malware. However, Defender is not a reliable thing - it is prone to malfunction when it comes to malware removal. Getting the BrowserModifier:MSIL/MediaArena malware on your PC is an unpleasant thing, and removing it as soon as possible must be your primary task.

Operating System: Windows

Application Category: BrowserModifier

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About the author

Wilbur Woodham

I was a technical writer from early in my career, and consider IT Security one of my foundational skills. I’m sharing my experience here, and I hope you find it useful.

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