This file is a harmful and undesirable program. Probably virus. It's recommended to delete it.
What is syshid.exe Windows startup process
File name: syshid.exe
Program name: sysser
Description: RAHACK WORM
Information added by: oO at 26 February 2008
Hint: If syshid.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 syshid.exe is sysser. Some of them are viruses, so you should use a antivirus program.