【求助】Backdoor.Gpigeon.5.n这是什么病毒啊,杀不掉

每次开机都有这么多病毒,杀掉了.下次开机还是有这么多.
请问这些都是什么病毒??????
wscntfy.exe>>C:\WINDOWS\Wns_Server_Hook.DLL ->Backdoor.Gpigeon.5.n
RfwMain.exe>>C:\WINDOWS\Wns_Server_Hook.DLL ->Backdoor.Gpigeon.5.n
IEXPLORE.EXE>>C:\WINDOWS\Wns_Server_Hook.DLL ->Backdoor.Gpigeon.5.n
WSocks_Server2.0.exe>>C:\WINDOWS\WSocks_Server2.0.exe ->Dropper.Delf.av
wdfmgr.exe>>C:\WINDOWS\Wns_Server_Hook.DLL ->Backdoor.Gpigeon.5.n
sde.exe>>C:\WINDOWS\Wns_Server_Hook.DLL ->Backdoor.Gpigeon.5.n
spoolsv.exe>>C:\WINDOWS\Wns_Server_Hook.DLL ->Backdoor.Gpigeon.5.n
rfwsrv.exe>>C:\WINDOWS\Wns_Server_Hook.DLL ->Backdoor.Gpigeon.5.n
Explorer.EXE>>C:\WINDOWS\Wns_Server_Hook.DLL ->Backdoor.Gpigeon.5.n
svchost.exe>>C:\WINDOWS\Wns_Server_Hook.DLL ->Backdoor.Gpigeon.5.n
lsass.exe>>C:\WINDOWS\Wns_Server_Hook.DLL ->Backdoor.Gpigeon.5.n
services.exe>>C:\WINDOWS\Wns_Server_Hook.DLL ->Backdoor.Gpigeon.5.n
winlogon.exe>>C:\WINDOWS\Wns_Server_Hook.DLL ->Backdoor.Gpigeon.5.n
csrss.exe>>C:\WINDOWS\Wns_Server_Hook.DLL ->Backdoor.Gpigeon.5.n
最后编辑2005-11-04 10:09:08