How to remove the extsetup virus

Most antivirus programs identify extsetup.exe as malware—such as Sophos identifies it as Mal/Generic-S, and McAfee identifies it as RDN/Generic.dx.

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 extsetup.exe malware

Extsetup.exe file information

The process extsetup.exe contains no information about the creator.

Description: Extsetup.exe is not essential for Windows and will often cause problems. The extsetup.exe file is located in a subfolder of the user's profile folder. Known file sizes on Windows 10/8/7/XP are 860,407 bytes (12% of all occurrences), 461,630 bytes and 6 more variants. 
There is no information about the author of the file. It is not a Windows core file. Therefore the technical security rating is 74% dangerous.

Recommended: Identify extsetup.exe related errors

If extsetup.exe is located in a subfolder of "C:\Program Files", the security rating is 77% dangerous. The file size is 317,785 bytes (66% of all occurrences) or 396,872 bytes. There is no file information. It is not a Windows core file.

Important: You should check the extsetup.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 extsetup issues

The following programs have also been shown useful for a deeper analysis: Security Task Manager examines the active extsetup process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the extsetup.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 cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

Other processes

extsetup.exe [all]