老大，谢了
不过还是没用，这是扫描的日志，请帮我分析分析
Logfile of HijackThis v1.99.1
Scan saved at 8:55:03, on 2005-8-17
Platform: Windows 2000 SP2 (WinNT 5.00.2195)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)
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:\PROGRAM FILES\RISING\RAV\RavStub.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\spoolsv.exe
C:\WINNT\System32\BeTwinService2K.exe
C:\WINNT\System32\svchost.exe
C:\WINNT\system32\regsvc.exe
C:\PROGRAM FILES\RISING\RAV\CCENTER.EXE
C:\WINNT\system32\MSTask.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\System32\inetsrv\inetinfo.exe
C:\WINNT\system32\winlogon.exe
C:\WINNT\Explorer.EXE
C:\WINNT\System32\sistray.EXE
C:\WINNT\System32\khooker.exe
C:\Program Files\BeTwin\BeTwinAssistant.exe
C:\Program Files\BeTwin\BeTwinMessages.exe
C:\PROGRA~1\RISING\RAV\RAVTIMER.EXE
C:\PROGRA~1\RISING\RAV\RAVMON.EXE
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\WINNT\System32\internat.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\WINNT\system32\rundll32.exe
C:\Program Files\Microsoft Office\Office\WINWORD.EXE
F:\ad策划案\pdfvsoft\HijackThis.exe
O2 - BHO: Anti Fish - {38928D50-8A48-44C2-945F-D2F23F771410} - C:\Program Files\3721\Assist\Angling.dll (file missing)
O2 - BHO: IE - {D157330A-9EF3-49F8-9A67-4141AC41ADD4} - C:\WINNT\DOWNLO~1\cnshook.dll
O3 - Toolbar: @msdxmLC.dll,-1@2052,电台(&R) - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\System32\msdxm.ocx
O3 - Toolbar: (no name) - {B580CF65-E151-49C3-B73F-70B13FCA8E86} - (no file)
O4 - HKLM\..\Run: [SiS Tray] C:\WINNT\System32\sistray.EXE
O4 - HKLM\..\Run: [SiS KHooker] C:\WINNT\System32\khooker.exe
O4 - HKLM\..\Run: [Cmaudio] RunDll32 cmicnfg.cpl,CMICtrlWnd
O4 - HKLM\..\Run: [BeTwinAssistant] "C:\Program Files\BeTwin\BeTwinAssistant.exe"
O4 - HKLM\..\Run: [BeTwinMessages] "C:\Program Files\BeTwin\BeTwinMessages.exe"
O4 - HKLM\..\Run: [RavTimer] C:\PROGRA~1\RISING\RAV\RAVTIMER.EXE
O4 - HKLM\..\Run: [RavMon] C:\PROGRA~1\RISING\RAV\RAVMON.EXE -SYSTEM
O4 - HKLM\..\Run: [CnsMin] Rundll32.exe C:\WINNT\DOWNLO~1\CnsMin.dll,Rundll32
O4 - HKLM\..\Run: [桌面图标文字自动透明] C:\Program Files\Wom\WinMem.exe XP
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [helper.dll] C:\WINNT\system32\rundll32.exe C:\PROGRA~1\3721\helper.dll,Rundll32
O4 - HKLM\..\RunOnce: [CnsHook.dll] regsvr32 /s C:\WINNT\DOWNLO~1\CnsHook.dll
O4 - HKLM\..\RunOnce: [cnshint.dll] regsvr32 /s C:\WINNT\DOWNLO~1\cnshint.dll
O4 - HKCU\..\Run: [Internat.exe] internat.exe
O4 - HKCU\..\Run: [] regedit -s C:\$NtUninstallQ5926809$\spcustom.dll
O8 - Extra context menu item: !搜一搜 - res://C:\WINNT\DOWNLO~1\CnsMinEx.dll/1003
O8 - Extra context menu item: 添加到QQ自定义面板 - D:\qq\AddPanel.htm
O8 - Extra context menu item: 添加到QQ表情 - D:\qq\AddEmotion.htm
O8 - Extra context menu item: 用QQ彩信发送该图片 - D:\qq\SendMMS.htm
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: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINNT\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINNT\web\related.htm
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\..\{4F38D72D-FB15-4253-B6E2-017B274B235B}: NameServer = 202.102.224.68
O17 - HKLM\System\CS1\Services\Tcpip\..\{4F38D72D-FB15-4253-B6E2-017B274B235B}: NameServer = 202.102.224.68
O17 - HKLM\System\CS2\Services\Tcpip\..\{4F38D72D-FB15-4253-B6E2-017B274B235B}: NameServer = 202.102.224.68
O23 - Service: BeTwin Terminal Services (BeTwinService) - ThinSoft (USA), Inc. - C:\WINNT\System32\BeTwinService2K.exe
O23 - Service: Logical Disk Manager Administrative Service (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: Macromedia Licensing Service - Unknown owner - C:\Program Files\Common Files\Macromedia Shared\Service\Macromedia Licensing.exe
O23 - Service: Rising Process Communication Center (RsCCenter) - rising - C:\PROGRAM FILES\RISING\RAV\CCENTER.EXE
O23 - Service: RsRavMon Service (RsRavMon) - Beijing Rising Technology Co., Ltd. - C:\PROGRAM FILES\RISING\RAV\Ravmond.exe
另外，就是桌面开始按钮失去作用
