Klpf.exe is a Spyware.ComSurveilSys. Klpf.exe monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %System%\PAL\CSS\atl71.dll %System%\PAL\CSS\cpu.exe %System%\PAL\CSS\explorer.exe %System%\PAL\CSS\IEGuard.dll %System%\PAL\CSS\ijl15.dll %System%\PAL\CSS\klpf.exe %System%\PAL\CSS\MFC71.dll %System%\PAL\CSS\MkShort.exe %System%\PAL\CSS\msvcp71.dll %System%\PAL\CSS\msvcr71.dll %System%\PAL\CSS\regsvr32.exe %System%\PAL\CSS\run32dll.exe %System%\PAL\CSS\svchost.exe %System%\PAL\CSS\TheHook.dll %System%\PAL\CSS\TheHookXP.dll More info: http://securityresponse.symantec.com/avc... Removal: Kill klpf.exe process and remove klpf.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.