The process known as Resource and Performance Monitor or Reliability and Performance Monitor belongs to software Microsoft Windows Operating System by Microsoft.
The original perfmon.exe is an important part of Windows and rarely causes problems. perfmon.exe is located in the folder C:WindowsSystem32. Known file sizes on Windows 7/XP are 157,184 bytes (62% of all occurrences), 120,320 bytes or 160,256 bytes. 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 also read the users reviews.
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 inputs.
In case of problems with perfmon.exe, you may also uninstall the program using the Control Panel ⇒ Add/Remove programs ⇒ Performance Monitor 3.x.
If perfmon.exe is located in the folder C:Windows, the security rating is 90% dangerous. The file size is 544,768 bytes. There is no file information. The program is not visible. The perfmon.exe file is located in the Windows folder, but it is not a Windows core file. The file is not a Windows core file. The software uses ports to connect to a LAN or the Internet. Perfmon.exe is able to record inputs, hide itself and manipulate other programs.
Important: Some malware disguises itself as perfmon.exe, particularly when not located in the C:WindowsSystem32 folder. Therefore, you should check the perfmon.exe process on your PC to see if it is a threat.