msvsres.dll is a Trojan.Iefeat-AN. msvsres.dll monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %SysDir%\msproto3.dll %SysDir%\msxmlpp.dll %SysDir%\msvsres.dll More info: http://www.sophos.com/virusinfo/analyses... Removal: Remove msvsres.dll from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.