mgrShell.exe is a W32.Stando-A. mgrShell.exe opens a back door. mgrShell.exe spreads via open network shares. Related files: %System%\mgrShell.exe %System%\scApp.exe More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill mgrShell.exe process and remove mgrShell.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.