Backdoor.Gpigeon.sfa 每次开机瑞星总有，不能根本清除。
病毒总是提示
c:\windows\system_hook.dll
Logfile of HijackThis v1.99.1
Scan saved at 15:44:58, on 05-7-15
Platform: Windows 98 SE (Win9x 4.10.2222A)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)
Running processes:
C:\WINDOWS\SYSTEM\KERNEL32.DLL
C:\WINDOWS\SYSTEM\MSGSRV32.EXE
C:\WINDOWS\SYSTEM\SPOOL32.EXE
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\WINDOWS\SYSTEM\MSTASK.EXE
D:\PROGRAM FILES\RISING\RAV\RAVMON.EXE
C:\WINDOWS\RUNDLL32.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\WINDOWS\TASKMON.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\WINDOWS\EXPLORER.EXE
C:\WINDOWS\SYSTEM\INTERNAT.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\WINDOWS\SOUNDMAN.EXE
C:\WINDOWS\RUNDLL32.EXE
C:\PROGRAM FILES\3721\ASSISTSE.EXE
D:\PROGRAM FILES\RISING\RAV\RAVTIMER.EXE
C:\PROGRAM FILES\INTERNET EXPLORER\IEXPLORE.EXE
C:\PROGRAM FILES\WINRAR\WINRAR.EXE
C:\WINDOWS\TEMP\RAR$EX00.440\HIJACKTHIS.EXE
R3 - URLSearchHook: 上网助手 - {BB936323-19FA-4521-BA29-ECA6A121BC78} - C:\PROGRAM FILES\3721\ASSIST\ASBAR.DLL
O2 - BHO: IE - {D157330A-9EF3-49F8-9A67-4141AC41ADD4} - C:\WINDOWS\DOWNLOADED PROGRAM FILES\CNSHOOK.DLL
O2 - BHO: AssistII - {BB936323-19FA-4521-BA29-ECA6A121BC78} - C:\PROGRAM FILES\3721\ASSIST\ASBAR.DLL
O2 - BHO: IeCatch2 Class - {A5366673-E8CA-11D3-9CD9-0090271D075B} - C:\PROGRAM FILES\FLASHGET\JCCATCH.DLL
O3 - Toolbar: 电台(&R) - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
O3 - Toolbar: 上网助手 - {BB936323-19FA-4521-BA29-ECA6A121BC78} - C:\PROGRAM FILES\3721\ASSIST\ASBAR.DLL
O3 - Toolbar: FlashGet Bar - {E0E899AB-F487-11D5-8D29-0050BA6940E3} - C:\PROGRAM FILES\FLASHGET\FGIEBAR.DLL
O4 - HKLM\..\Run: [internat.exe] internat.exe
O4 - HKLM\..\Run: [ScanRegistry] C:\WINDOWS\scanregw.exe /autorun
O4 - HKLM\..\Run: [TaskMonitor] C:\WINDOWS\taskmon.exe
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [LoadPowerProfile] rem Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\Run: [NvCplDaemon] rem RUNDLL32.EXE C:\WINDOWS\SYSTEM\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] rem nwiz.exe /install
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [CnsMin] Rundll32.exe C:\WINDOWS\DOWNLO~1\CNSMIN.DLL,Rundll32
O4 - HKLM\..\Run: [helper.dll] C:\WINDOWS\rundll32.exe C:\PROGRA~1\3721\helper.dll,Rundll32
O4 - HKLM\..\Run: [assistse] "C:\PROGRAM FILES\3721\ASSISTSE.EXE"
O4 - HKLM\..\Run: [RavTimer] D:\PROGRA~1\RISING\RAV\RAVTIMER.EXE
O4 - HKLM\..\Run: [RavMon] D:\PROGRA~1\RISING\RAV\RAVMON.EXE -SYSTEM
O4 - HKLM\..\RunServices: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\RunServices: [SchedulingAgent] mstask.exe
O4 - HKLM\..\RunServices: [RavMon] D:\PROGRA~1\RISING\RAV\RAVMON.EXE -SYSTEM
O4 - HKCU\..\Run: [NvMediaCenter] rem RUNDLL32.EXE C:\WINDOWS\SYSTEM\NVMCTRAY.DLL,NvTaskbarInit
O8 - Extra context menu item: !搜一搜 - res://C:\WINDOWS\DOWNLOADED PROGRAM FILES\CnsMinEx.dll/1003
O8 - Extra context menu item: 使用网际快车下载 - C:\PROGRAM FILES\FLASHGET\jc_link.htm
O8 - Extra context menu item: 使用网际快车下载全部链接 - C:\PROGRAM FILES\FLASHGET\jc_all.htm
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra button: 上网助手 - {5D73EE86-05F1-49ed-B850-E423120EC338} - http://assistant.3721.com/index.htm?fb=Cns (file missing)
O9 - Extra button: Yahoo 1G电邮 - {507F9113-CD77-4866-BA92-0E86DA3D0B97} - http://cn.mail.yahoo.com/promo/rd1 (file missing)
O9 - Extra button: 情景聊天 - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - http://cn.rd.yahoo.com/home/messenger/bjk/clientbtn/?http://cn.messenger.yahoo.com/ (file missing)
O9 - Extra button: 手机短信 - {00000000-0000-0001-0001-596BAEDD1289} - http://sms.3721.com/ie/index.htm?pid=U_beck7_44186 (file missing)
O9 - Extra button: (no name) - {FD00D911-7529-4084-9946-A29F1BDF4FE5} - http://assistant.3721.com/clean1.htm?fb=Cns (file missing)
O9 - Extra 'Tools' menuitem: 清理上网记录 - {FD00D911-7529-4084-9946-A29F1BDF4FE5} - http://assistant.3721.com/clean1.htm?fb=Cns (file missing)
O9 - Extra button: (no name) - {ECF2E268-F28C-48d2-9AB7-8F69C11CCB71} - http://assistant.3721.com/security1.htm?fb=Cns (file missing)
O9 - Extra 'Tools' menuitem: 修复浏览器 - {ECF2E268-F28C-48d2-9AB7-8F69C11CCB71} - http://assistant.3721.com/security1.htm?fb=Cns (file missing)
O11 - Options group: [!CNS] 网络实名
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash
Object) - http://www.81818.com.cn/download/swflash.cab
O17 - HKLM\System\CCS\Services\VxD\MSTCP: NameServer = 202.96.113.34,202.96.113.35
