Services.dll is a mass-mailing worm W32.Crowt.A@mm. Services.dll opens a back door on TCP port 80. Services.dll monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %System%\services.dll %CommonProgramFiles%\services.exe %Startup%\services.exe %Templates%\services.exe More info: http://securityresponse.symantec.com/avc... Removal: Remove services.dll from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.