Noat.exe is a Backdoor Trojan.Mitglieder.Q. Noat.exe tries to terminate antiviral programs installed on a user computer. Noat.exe monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %System%\wintems.exe %System%\for?exe %System%\noat.exe %System%\ban_list.txt Adds the value: "ssgrate.exe" = "%System%\wintems.exe" to the Windows startup registry keys. More info: http://securityresponse.symantec.com/avc... Removal: Kill noat.exe process and remove noat.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.