tokens: A backdoor also known as: Trojan.Symmi.DEFF7 W32.Extrat Win.Trojan.B-471 BackDoor.Cybergate.4022 BehavesLike.Win32.Backdoor.gc Troj.W32.Scar.lByG Trojan.Win32.Xtrat.ldu Backdoor/Win32.Poison.R139029 Trojan.Xtrat Trojan.Win32.Remtasu