msjp32.exe is a Trojan.Ranck-DE. msjp32.exe opens a back door. Related files: %System%\msjp32.exe More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill msjp32.exe process and remove msjp32.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.