求助,该后门程序,要怎么去除~~【求助】

2006-04-03 02:46:04, svchost.exe>>C:\WINDOWS\G_Server_Hook.DLL ->Backdoor.Gpigeon.bc
2006-04-03 02:45:57, svchost.exe>>C:\WINDOWS\G_Server_Hook.DLL ->Backdoor.Gpigeon.bc
2006-04-03 02:45:55, svchost.exe>>C:\WINDOWS\G_Server_Hook.DLL ->Backdoor.Gpigeon.bc
2006-04-03 02:45:51, Ati2evxx.exe>>C:\WINDOWS\G_Server_Hook.DLL ->Backdoor.Gpigeon.bc
有20多项……
每次用瑞星杀完重起后又有~要怎么才可以彻底删除?
最后编辑2006-04-03 06:59:12