This file is a harmful and undesirable program. Probably virus. It's recommended to delete it.
What is sysmon.exe Windows startup process
File name: sysmon.exe
Program name: sysmon
Description: BIZEX WORM
Information added by: redant at 28 March 2008
Hint: If sysmon.exe file is a virus or trojan, we recommend to use a antivirus software or registry cleaner.
We are presenting list of Windows processes, startup files.
Name of sysmon.exe is sysmon. Some of them are viruses, so you should use a antivirus program.