Mmsvc32.exe is a network-aware worm W32.Kassbot.B. Mmsvc32.exe spreads by exploiting the Microsoft Windows DCOM RPC Interface Buffer Overrun Vulnerability (Microsoft Security Bulletin MS03-026). Related files: %System%\mmsvc32.exe Adds the value: "Microsoft Network Services Controller" = "%System%\mmsvc32.exe" to the Windows startup registry keys. More info: http://securityresponse.symantec.com/avc... Removal: Kill mmsvc32.exe process and remove mmsvc32.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.