Adprot.exe is an adware program Adware.AdBlaster. Adprot.exe downloads and displays advertisements. Related files: %System%\adprot.exe %System%\ngpw36.exe %System%\ngpw36.exe.exe %System%\ngsh33.dll %System%\MSWINSCK.OCX %Windir%\Sngpw36.exe %Windir%\Sngsh33.dll %Windir%\morpheus_internet_accelerator2.exe IEExplorer.exe Adds the value: "ngpw36" = "%System%\ngpw36.exe" "adprot" = "%System%\adprot.exe" "Aapp" = "%System%\adprot" to the Windows startup registry keys. More info: http://securityresponse.symantec.com/avc... Removal: Kill adprot.exe process and remove adprot.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.