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 perfmon.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.
Description: The original perfmon.exe is an important part of Windows and rarely causes problems. Perfmon.exe is located in the C:\Windows\System32 folder.
Known file sizes on Windows 10/8/7/XP are 157,184 bytes (64% of all occurrences), 163,840 bytes and 4 more variants.
It is a Windows system file. The program has a visible window. Perfmon.exe is a trustworthy file from Microsoft. Therefore the technical security rating is 0% dangerous, however you should also read the user reviews.
Recommended: Identify perfmon.exe related errors
If perfmon.exe is located in a subfolder of "C:\Program Files", the security rating is 13% dangerous. The file size is 561,152 bytes (50% of all occurrences) or 671,744 bytes. The program has a visible window. It is not a Windows system file. Perfmon.exe is able to record keyboard and mouse inputs.
Important: Some malware disguises itself as perfmon.exe, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the perfmon.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.
A clean and tidy computer is the key requirement for avoiding problems with perfmon. 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.
To help you analyze the perfmon.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.