电脑经常莫名的死机，下面是日志。请帮诊断一下
Logfile of HijackThis v1.99.1
Scan saved at 10:40:11, on 2005-10-27
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)
Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\winmngr.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\VM_STI.EXE
C:\Vrv\Client\vrvnet.exe
C:\Vrv\Client\vrvmon.exe
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
D:\Program Files\显IP版QQ\2005\QQ.exe
D:\Program Files\显IP版QQ\2005\TIMPlatform.exe
D:\Program Files\KuGoo2\KuGoo.exe
D:\Program Files\迅雷\Thunder\thunder.exe
D:\Program Files\迅雷\Thunder\MediaIssue\Issue.exe
D:\HijackThis.exe
R3 - URLSearchHook: assist - {1B0E7716-898E-48cc-9690-4E338E8DE1D3} - (no file)
R3 - URLSearchHook: 上网助手 - {BB936323-19FA-4521-BA29-ECA6A121BC78} - (no file)
R3 - URLSearchHook: 雅虎助手 - {406F94F0-504F-4a40-8DFD-58B0666ABEBD} - C:\PROGRA~1\Yahoo!\ASSIST~1\assist\yasbar.dll
F2 - REG:system.ini: UserInit=C:\WINDOWS\System32\userinit.exe
O2 - BHO: ThunderIEHelper Class - {0005A87D-D626-4B3A-84F9-1D9571695F55} - C:\WINDOWS\System32\xunleibho_v6.dll
O2 - BHO: CNNIC_IDN - {35980F6E-A137-4E50-953D-813BB8556899} - C:\PROGRA~1\CNNIC\Cdn\cdniehlp.dll
O2 - BHO: Anti Fish - {38928D50-8A48-44C2-945F-D2F23F771410} - C:\PROGRA~1\Yahoo!\ASSIST~1\Assist\yAngling.dll
O2 - BHO: 雅虎助手 - {406F94F0-504F-4a40-8DFD-58B0666ABEBD} - C:\PROGRA~1\Yahoo!\ASSIST~1\assist\yasbar.dll
O2 - BHO: YDragSearch - {62EED7C6-9F02-42f9-B634-98E2899E147B} - C:\PROGRA~1\Yahoo!\ASSIST~1\assist\YDRAGS~1.DLL
O2 - BHO: MMSAssist - {6671A431-5C3D-463d-A7CF-5587F9B7E191} - (no file)
O2 - BHO: std software - {6A512BF7-EC78-4e8d-9841-6C02E8FA9838} - C:\WINDOWS\system32\stdup.dll (file missing)
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O2 - BHO: AssistII - {BB936323-19FA-4521-BA29-ECA6A121BC78} - (no file)
O2 - BHO: IE - {D157330A-9EF3-49F8-9A67-4141AC41ADD4} - (no file)
O2 - BHO: YiSou - {EF1D17A9-089F-40cc-8D64-7324CDEBA0DB} - C:\PROGRA~1\YiSou\yisoub.dll
O2 - BHO: WMHlprObj Class - {F5824EFB-728A-4726-A5A5-85A68B20EDC3} - C:\PROGRA~1\CNNIC\Cdn\wmhlpr.dll
O3 - Toolbar: (no name) - {E0E899AB-F487-11D5-8D29-0050BA6940E3} - (no file)
O3 - Toolbar: 金山快译(&K) - {6C3797D2-3FEF-4cd4-B654-D3AE55B4128C} - C:\PROGRA~1\Kingsoft\FastAIT\IEBand.dll
O3 - Toolbar: 一搜工具条 - {115F6E46-FCBC-41ed-B3B5-3BDDD4AAB5E5} - C:\Program Files\YiSou\yisou.dll
O3 - Toolbar: 上网助手 - {BB936323-19FA-4521-BA29-ECA6A121BC78} - (no file)
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O3 - Toolbar: 电台(&R) - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: ISTbar - {FAA356E4-D317-42a6-AB41-A3021C6E7D52} - C:\Program Files\ISTbar\istbarcm.dll (file missing)
O3 - Toolbar: 雅虎助手 - {406F94F0-504F-4a40-8DFD-58B0666ABEBD} - C:\PROGRA~1\Yahoo!\ASSIST~1\assist\yasbar.dll
O4 - HKLM\..\Run: [IMJPMIG8.1] "C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE" /Spoil /RemAdvDef /Migration32
O4 - HKLM\..\Run: [PHIME2002ASync] C:\WINDOWS\System32\IME\TINTLGNT\TINTSETP.EXE /SYNC
O4 - HKLM\..\Run: [PHIME2002A] C:\WINDOWS\System32\IME\TINTLGNT\TINTSETP.EXE /IMEName
O4 - HKLM\..\Run: [SoundMan] rem SOUNDMAN.EXE
O4 - HKLM\..\Run: [NvCplDaemon] rem RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] rem nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] rem RUNDLL32.EXE C:\WINDOWS\System32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [BigDogPath] C:\WINDOWS\VM_STI.EXE USB PC Camera 301P
O4 - HKLM\..\Run: [vmailmon] rem C:\Vrv\Client\vrvmail.exe
O4 - HKLM\..\Run: [vrvnet] C:\Vrv\Client\vrvnet.exe
O4 - HKLM\..\Run: [xysecond] C:\Vrv\Client\vrvmon.exe
O4 - HKLM\..\Run: [iTunesHelper] rem "D:\i tunes4.9\iTunesHelper.exe"
O4 - HKLM\..\Run: [QuickTime Task] rem "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [迅雷4] rem D:\Program Files\迅雷\Thunder\thunder.exe
O4 - HKLM\..\Run: [dl_accel] rem C:\Program Files\3721\Dlaccel\YDownloader.exe
O4 - HKLM\..\Run: [Compaq Service Drivers] rem ntsys32.exe
O4 - HKLM\..\Run: [Windows ASN Service] rem dot.exe
O4 - HKLM\..\Run: [microsft Updates] rem msupdate32.exe
O4 - HKLM\..\Run: [Windows IP Security Service] rem ipsecs.exe
O4 - HKLM\..\Run: [Windows Updater 32] rem sdsys.exe
O4 - HKLM\..\Run: [Windows Task Manager] rem taskmngr.exe
O4 - HKLM\..\Run: [Microsoft DLL Verifier] rem csrssv.exe
O4 - HKLM\..\Run: [MoveSearch] rem C:\Program Files\wsearch\Search.exe
O4 - HKLM\..\Run: [YLive.exe] rem C:\PROGRA~1\Yahoo!\ASSIST~1\YLive.exe
O4 - HKLM\..\Run: [yassistse] rem "C:\PROGRA~1\Yahoo!\Assistant\yassistse.exe"
O4 - HKLM\..\Run: [CnsMin] rem Rundll32.exe C:\WINDOWS\downlo~1\CnsMin.dll,Rundll32
O4 - HKLM\..\RunServices: [Compaq Service Drivers] ntsys32.exe
O4 - HKLM\..\RunServices: [Windows ASN Service] dot.exe
O4 - HKLM\..\RunServices: [microsft Updates] msupdate32.exe
O4 - HKLM\..\RunServices: [Windows IP Security Service] ipsecs.exe
O4 - HKLM\..\RunServices: [Windows Updater 32] sdsys.exe
O4 - HKLM\..\RunServices: [Windows Task Manager] taskmngr.exe
O4 - HKLM\..\RunServices: [Microsoft DLL Verifier] csrssv.exe
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\MSN Messenger\msnmsgr.exe" /background
O4 - HKCU\..\RunServices: [Compaq Service Drivers] ntsys32.exe
O4 - HKCU\..\RunServices: [Windows IP Security Service] ipsecs.exe
O4 - HKCU\..\RunServices: [Windows Task Manager] taskmngr.exe
O8 - Extra context menu item: &使用下载加速专家下载 - C:\Program Files\3721\Dlaccel\geturl.htm
O8 - Extra context menu item: &使用迅雷下载 - D:\Program Files\迅雷\Thunder\geturl.htm
O8 - Extra context menu item: &使用迅雷下载全部链接 - D:\Program Files\迅雷\Thunder\getAllurl.htm
O8 - Extra context menu item: 使用Kugoo下载 - D:\Program Files\KuGoo2\KugooDownX.htm
O8 - Extra context menu item: 添加到QQ自定义面板 - D:\Program Files\显IP版QQ\2005\AddPanel.htm
O8 - Extra context menu item: 添加到QQ表情 - D:\Program Files\显IP版QQ\2005\AddEmotion.htm
O8 - Extra context menu item: 用QQ彩信发送该图片 - D:\Program Files\显IP版QQ\2005\SendMMS.htm
O8 - Extra context menu item: 访问通用网址 - C:\Program Files\CNNIC\Cdn\cnnic.htm
O9 - Extra button: 手机短信 - {00000000-0000-0001-0001-596BAEDD1289} - http://sms.3721.com/ie/index.htm?pid=U_mydrivers_2517 (file missing)
O9 - Extra button: 中文上网 - {35980F6E-A137-4E50-953D-813BB8556899} - C:\PROGRA~1\CNNIC\Cdn\cdniehlp.dll
O9 - Extra 'Tools' menuitem: 中文上网 - {35980F6E-A137-4E50-953D-813BB8556899} - C:\PROGRA~1\CNNIC\Cdn\cdniehlp.dll
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://cn.rd.yahoo.com/auct/promo/3721/200508/ielogo-wcfashion/*http://cn.promo.auctions.yahoo.com/200507/fashion/index.html?refcode=3721200508ielogo-wcfashion (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)
O10 - Unknown file in Winsock LSP: c:\windows\system32\cdnns.dll
O10 - Unknown file in Winsock LSP: c:\windows\vmaildog.dll
O10 - Unknown file in Winsock LSP: c:\windows\vmaildog.dll
O11 - Options group: [!CNS] 网络实名
O11 - Options group: [CDNCLIENT] 中文上网
O15 - Trusted Zone: http://ny.contentmatch.net (HKLM)
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://spaces.msn.com//PhotoUpload/MsnPUpld.cab
O16 - DPF: {56A7DC70-E102-4408-A34A-AE06FEF01586} (天下搜索) - http://iebar.t2t2.com/iebar.cab
O16 - DPF: {8D9E0B29-563C-4226-86C1-5FF2AE77E1D2} (AxSubmitControl Class) - https://mybank.icbc.com.cn/icbc/perbank/AxSafeControls.cab
O16 - DPF: {AC3A36A8-9BFF-410A-A33D-2279FFEB69D2} (QQPlayer Control) - http://imgcache.qq.com/music/QQMusicSetup.exe
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/MsnMessengerSetupDownloader.cab
O16 - DPF: {BA0F088C-72C1-475A-92F8-42391DEF6961} (Blueskyvoice Control) - http://www.bliao.com/download/blueskyvoice_27.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash
Object) - http://www.mydrivers.com/swflash.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{19573C4A-296D-44F3-98DA-6C195295368E}: NameServer = 219.232.48.61,202.106.196.115
O17 - HKLM\System\CCS\Services\Tcpip\..\{DE8EFF37-77DD-449E-B76E-6DDCDAF16267}: NameServer = 202.106.116.1 202.106.195.115
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O23 - Service: iPod 服务 (iPodService) - Apple Computer, Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: WinMan (winmngr) - Unknown owner - C:\WINDOWS\system32\winmngr.exe
