Kiamarsi.exe is a Trojan.Detest-A. Kiamarsi.exe opens a back door. Related files: %System%\Kiamarsi.exe C:\Hadi Kiamarsi.txt More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill Kiamarsi.exe process and remove Kiamarsi.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.