What is perfs.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the perfs.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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Perfs.exe file information

The process belongs to software perfmons Service or perfs Service or perfmons by unknown.

Description: Perfs.exe is not essential for Windows and will often cause problems. The perfs.exe file is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 31,232 bytes (13% of all occurrences), 186,880 bytes and 20 more variants. 
Perfs.exe is a file with no information about its developer. The program has no visible window. The file is located in the Windows folder, but it is not a Windows core file. The perfs.exe file is not a Windows core file. Therefore the technical security rating is 78% dangerous, however you should also read the user reviews.

Recommended: Identify perfs.exe related errors

If perfs.exe is located in a subfolder of C:\Windows, the security rating is 72% dangerous. The file size is 187,392 bytes (50% of all occurrences) or 189,440 bytes. There is no description of the program. It is an unknown file in the Windows folder. The program has no visible window. It is not a Windows system file.

Important: Some malware also uses the file name perfs.exe, for example Trojan-Downloader.Win32.Delf.fga or Trojan.Win32.Agent.kfl (detected by Kaspersky), and Troj/FkAvDl-Fam (detected by Sophos). Therefore, you should check the perfs.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.


User Comments

unsigned windows system32 file performance monitor.
use here Application to remove it
  kk   (further information)
It's a virus that plays random audio
  r2a1g9e   (further information)

Summary: Average user rating of perfs.exe: based on 2 votes with 3 user comments. One user thinks perfs.exe is essential for Windows or an installed application. One user thinks perfs.exe is dangerous and recommends removing it. One user is not sure about it.

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Best practices for resolving perfs issues

A clean and tidy computer is the key requirement for avoiding problems with perfs. 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.

To help you analyze the perfs.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

perfs.exe [all]