Mscsvc.exe is a Trojan PWSteal.Bancos.T. Mscsvc.exe monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %Windir%\mscsvc.exe Adds the value: "mscsvc.exe" = "%Windir%\mscsvc.exe" to the Windows startup registry keys. More info: http://securityresponse.symantec.com/avc... Removal: Kill mscsvc.exe process and remove mscsvc.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.