mshelp32.exe is a worm W32.Kelvir-BF. mshelp32.exe spreads via AOL Instant Messenger. Related files: %System%\mshelp32.exe More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill mshelp32.exe process and remove mshelp32.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.