怎么杀掉Backdoor.Gpigeon.lb  病毒

老是一开机就出现了,具体日志是O23 - Service: Security Centers - Unknown owner - C:\WINDOWS\G_Server.exe
O23 - Service: Windows setup servers - Unknown owner - C:\WINDOWS\windows install.exe
请大虾告诉我具体杀毒的具体步骤,我在这先谢谢了!!!!!!!
最后编辑2005-08-25 23:43:43