一打开浏览器，自动到msn的页面
下面是HijackThis的纪录：
Logfile of HijackThis v1.99.1
Scan saved at 10:28:14, on 2005-7-19
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
MSIE: Internet Explorer v6.00 (6.00.2600.0000)

Running processes:
C:\WINNT\System32\smss.exe
C:\WINNT\system32\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
C:\PROGRAM FILES\RISING\RAV\Ravmond.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\spoolsv.exe
C:\WINNT\System32\svchost.exe
C:\WINNT\System32\nvsvc32.exe
C:\Program Files\Rising\Rav\RavService.exe
C:\PROGRAM FILES\RISING\RAV\CCENTER.EXE
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\Explorer.EXE
C:\WINNT\SOUNDMAN.EXE
C:\Program Files\Rising\Rav\RavTray.exe
C:\Program Files\Rising\Rav\RavTimer.exe
C:\Program Files\Rising\Rav\RavMon.exe
C:\Program Files\WinRAR\WinRAR.exe
C:\WINNT\system32\taskmgr.exe
C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\Rar$EX07.344\HijackThis.exe

O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [CnsMin] Rundll32.exe C:\WINNT\DOWNLO~1\CnsMin.dll,Rundll32
O4 - HKLM\..\Run: [RavTray] C:\Program Files\Rising\Rav\RavTray.exe
O4 - HKLM\..\Run: [RavTimer] C:\Program Files\Rising\Rav\RavTimer.exe
O4 - HKLM\..\Run: [RavMon] C:\Program Files\Rising\Rav\RavMon.exe -system
O9 - Extra button: 手机短信 - {00000000-0000-0001-0001-596BAEDD1289} - http://sms.3721.com/ie/index.htm (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: 寻宝乐趣多 - {59BC54A2-56B3-44a0-93E5-432D58746E26} - http://hot.3721.com/rd/shop_btn.htm (file missing)
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: 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: (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)
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)
O11 - Options group: [!CNS]  网络实名
O17 - HKLM\System\CCS\Services\Tcpip\..\{EDD69044-BA07-481A-A66E-DA9D5CA8E145}: NameServer = 10.168.0.10,202.96.128.68
O23 - Service: Logical Disk Manager Administrative Service (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: Net Functions Library (Netlib) - Unknown owner - C:\WINNT\system32\Netlib.exe
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINNT\System32\nvsvc32.exe
O23 - Service: RavService - Unknown owner - C:\Program Files\Rising\Rav\RavService.exe" /service (file missing)
O23 - Service: WINS Client (RpcPatch) - Unknown owner - C:\WINNT\System32\wins\DLLHOST.EXE (file missing)
O23 - Service: Rising Process Communication Center (RsCCenter) - Beijing Rising Technology Co., Ltd. - C:\PROGRAM FILES\RISING\RAV\CCENTER.EXE
O23 - Service: RsRavMon Service (RsRavMon) - Beijing Rising Technology Co., Ltd. - C:\PROGRAM FILES\RISING\RAV\Ravmond.exe

修复
O23 - Service: Net Functions Library (Netlib) - Unknown owner - C:\WINNT\system32\Netlib.exe
重起进安全模式
管理工具--服务--停止并禁用Net Functions Library (Netlib)
显示所有文件
查找并删除C:\WINNT\system32\Netlib.exe

这个文件当天我就已经删除了，而且确定这个进程已经没有启动，但是还是被劫持。
是不是还有其他呢？

O23 - Service: Net Functions Library (Netlib) - Unknown owner - C:\WINNT\system32\Netlib.exe
O23 - Service: WINS Client (RpcPatch) - Unknown owner - C:\WINNT\System32\wins\DLLHOST.EXE (file missing)

如果使用了系统还原，请先关闭。
请关闭所有浏览器窗口和文件夹窗口, 在安全摸试下修复上面几项)（如果你清楚某项是安全的，可以不处理）
，将隐藏的文件不隐藏。找到下面几项C:\WINNT\System32\wins\DLLHOST.EXE
C:\WINNT\system32\Netlib.exe
把它删除。

好
我试试看！