ACMService.exe is a Spyware.ACM. ACMService.exe monitors all forms of user activity on a computer. Related files: %ProgramFiles%\ACM\ACMConfig.exe %ProgramFiles%\ACM\ACMDLL.dll %ProgramFiles%\ACM\ACMService.exe %ProgramFiles%\ACM\polarcrypto.dll %ProgramFiles%\ACM\PolarZIPLight.dll %ProgramFiles%\ACM\zsHook.dll %ProgramFiles%\ACM\unins000.exe %System%\ccrpTmr6.dll More info: http://securityresponse.symantec.com/avc... Removal: Kill ACMService.exe process and remove ACMService.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.