mst32init.exe is a Trojan.Hazif-A. mst32init.exe monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %System%\mst32init.exe %Windows%\netiu1.dll %System%\netiu1.dll More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill mst32init.exe process and remove mst32init.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.