How to remove the mediadev virus

Most antivirus programs identify mediadev.exe as malware—for instance Sophos identifies it as Generic PUA FN, and TrendMicro identifies it as ADW_SQUAREN.

The free file information forum can help you find out how to remove it. If you have additional information about this file, please leave a comment or a suggestion for other users.

Click to Run a Free Virus Scan for the mediadev.exe malware

Mediadev.exe file information

The process known as Media Device Service or NetWork Host Service or VM Host Service belongs to software unknown by Xi'an Dianyi Info Tech Co. or NetWork Host or VM Host.

Description: Mediadev.exe is not essential for Windows and will often cause problems. Mediadev.exe is located in a folder listed in the Windows %PATH% environment variable—for example C:\. Known file sizes on Windows 10/8/7/XP are 409,600 bytes (33% of all occurrences), 368,960 bytes, 361,472 bytes or 366,912 bytes. 
The program has no visible window. It is not a Windows core file. Mediadev.exe is able to monitor applications. Therefore the technical security rating is 32% dangerous.

Recommended: Identify mediadev.exe related errors

If mediadev.exe is located in a subfolder of the user's profile folder, the security rating is 22% dangerous. The file size is 368,448 bytes. The program has no visible window. The mediadev.exe file is a Verisign signed file. The file has a digital signature. It is not a Windows system file. Mediadev.exe is able to monitor applications.

Important: You should check the mediadev.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


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Best practices for resolving mediadev issues

The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active mediadev process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the mediadev.exe on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.

A clean and tidy computer is the key requirement for avoiding PC trouble. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

Other processes

mediadev.exe [all]