msoffwz.exe is a Trojan.Bancban-HQ. msoffwz.exe opens a back door. msoffwz.exe monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %System%\msoffwz.exe More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill msoffwz.exe process and remove msoffwz.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.