系统自己连续启动了三便机器，后来又没事了，谁能帮忙告诉我怎么回事啊？
下面是扫描.
Logfile of HijackThis v1.99.1
Scan saved at 16:37:16, on 2006-3-11
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)
Running processes:
R3 - URLSearchHook: 雅虎助手 - {406F94F0-504F-4a40-8DFD-58B0666ABEBD} - C:\Program Files\Yahoo!\Assistant\Assist\yasbar.dll
R3 - URLSearchHook: (no name) - {BB936323-19FA-4521-BA29-ECA6A121BC78} - (no file)
F2 - REG:system.ini: UserInit=C:\WINDOWS\System32\userinit.exe,C:\WINDOWS\System32\hosts.exe,
O2 - BHO: ThunderIEHelper Class - {0005A87D-D626-4B3A-84F9-1D9571695F55} - C:\WINDOWS\System32\xunleibho_v4.dll
O2 - BHO: IDDTInitObj Class - {15DDE989-CD45-4561-BF99-D22C0D5C2B74} - D:\DLFast\ddtinit.dll (file missing)
O2 - BHO: yPhtb - {33BBE430-0E42-4f12-B075-8D21ACB10DCB} - C:\PROGRA~1\Yahoo!\ASSIST~1\Assist\yphtb.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:\Program Files\Yahoo!\Assistant\Assist\yasbar.dll
O2 - BHO: QQIEHelper - {54EBD53A-9BC1-480B-966A-843A333CA162} - D:\QQ\QQIEHelper.dll
O2 - BHO: 3721中文邮 - {6231D512-E4A4-4DF2-BE62-5B8F0EE348EF} - (no file)
O2 - BHO: YDragSearch - {62EED7C6-9F02-42f9-B634-98E2899E147B} - C:\PROGRA~1\Yahoo!\ASSIST~1\Assist\YDRAGS~1.DLL
O2 - BHO: KillObj Class - {66C28884-4E5D-494B-80C9-CAA27528FD6D} - D:\DLFast\ddtkillw.ocx (file missing)
O2 - BHO: IeCatch2 Class - {A5366673-E8CA-11D3-9CD9-0090271D075B} - C:\PROGRA~1\FlashGet\jccatch.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar2.dll
O2 - BHO: IE - {D157330A-9EF3-49F8-9A67-4141AC41ADD4} - C:\WINDOWS\downlo~1\CnsHook.dll
O2 - BHO: YiSou - {EF1D17A9-089F-40cc-8D64-7324CDEBA0DB} - C:\PROGRA~1\yisou\yisoub.dll
O3 - Toolbar: FlashGet Bar - {E0E899AB-F487-11D5-8D29-0050BA6940E3} - C:\PROGRA~1\FlashGet\fgiebar.dll
O3 - Toolbar: 金山快译(&K) - {6C3797D2-3FEF-4cd4-B654-D3AE55B4128C} - e:\FASTAI~1\IEBand.dll (file missing)
O3 - Toolbar: 新浪点点通 - {F60C7D81-8471-4D40-AAFE-56D318F34C2D} - D:\DLFast\DDTONG~1.DLL (file missing)
O3 - Toolbar: 电台(&R) - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: 雅虎助手 - {406F94F0-504F-4a40-8DFD-58B0666ABEBD} - C:\Program Files\Yahoo!\Assistant\Assist\yasbar.dll
O3 - Toolbar: 一搜工具条 - {115F6E46-FCBC-41ed-B3B5-3BDDD4AAB5E5} - C:\Program Files\yisou\yisou.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar2.dll
O4 - HKLM\..\Run: [IMJPMIG8.1] "C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE" /Spoil /RemAdvDef /Migration32
O4 - HKLM\..\Run: [PHIME2002ASync] rem C:\WINDOWS\System32\IME\TINTLGNT\TINTSETP.EXE /SYNC
O4 - HKLM\..\Run: [PHIME2002A] rem C:\WINDOWS\System32\IME\TINTLGNT\TINTSETP.EXE /IMEName
O4 - HKLM\..\Run: [NvCplDaemon] rem RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] rem nwiz.exe /install
O4 - HKLM\..\Run: [SKYNET Personal FireWall] C:\PROGRA~1\SkyNet\Firewall\pfw.exe
O4 - HKLM\..\Run: [YDTMain.exe] rem C:\PROGRA~1\YDT\YDTMain.exe
O4 - HKLM\..\Run: [MINI_BFYY] C:\real\Storm Downloader\StormDownloader.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: [StormCodec_Helper] "C:\real\Storm Codec\StormSet.exe" /S /opti
O4 - HKLM\..\Run: [YLive.exe] C:\PROGRA~1\Yahoo!\ASSIST~1\YLive.exe
O4 - HKLM\..\Run: [yassistse] "C:\PROGRA~1\Yahoo!\Assistant\yassistse.exe"
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [helper.dll] C:\WINDOWS\system32\rundll32.exe C:\PROGRA~1\3721\helper.dll,Rundll32
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [AddrPlus3] C:\PROGRA~1\TENCENT\AdPlus\Runner.exe C:\PROGRA~1\TENCENT\AdPlus\SSAddr1.dll Rundll32
O4 - HKLM\..\Run: [DAEMON Tools-2052] "F:\虚拟光区\daemon.exe" -lang 2052
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] rem "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [eMuleAutoStart] rem D:\eMule\eMule.exe -AutoStart
O8 - Extra context menu item: 添加到新浪点点通阅读器 - res://D:\DLFast\rssreader.exe/RSSFEED.js
O8 - Extra context menu item: !搜一搜 - res://C:\WINDOWS\downlo~1\CnsMinEx.dll/1003
O8 - Extra context menu item: !搜一搜(&S) - res://C:\Program Files\yisou\yisou.dll/232
O8 - Extra context menu item: &使用暴风下载器下载 - C:\real\Storm Downloader\geturl.htm
O8 - Extra context menu item: &使用迅雷下载 - C:\Program Files\Sandai Technologies Inc\Thunder\geturl.htm
O8 - Extra context menu item: &使用迅雷下载全部链接 - C:\Program Files\Sandai Technologies Inc\Thunder\getAllurl.htm
O8 - Extra context menu item: 上传到QQ网络硬盘 - D:\QQ\AddToNetDisk.htm
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
O8 - Extra context menu item: 新浪搜索 - http://cha.sina.com.cn/ddt.html
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: 添加到广告杀手 - F:\优化大师\TweakAssist\AdKiller.htm
O8 - Extra context menu item: 添加到雅虎订阅(&Y) - res://C:\PROGRA~1\Yahoo!\ASSIST~1\Assist\yrss.dll/YRSSMENUEXT
O8 - Extra context menu item: 用QQ彩信发送该图片 - D:\QQ\SendMMS.htm
O8 - Extra context menu item: 类似网页 - res://c:\program files\google\GoogleToolbar2.dll/cmsimilar.html
O8 - Extra context menu item: 缓存的网页快照 - res://c:\program files\google\GoogleToolbar2.dll/cmcache.html
O8 - Extra context menu item: 翻译英文字词(&T) - res://c:\program files\google\GoogleToolbar2.dll/cmwordtrans.html
O9 - Extra button: Yahoo 1G电邮 - {507F9113-CD77-4866-BA92-0E86DA3D0B97} - http://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=yahoomail (file missing)
O9 - Extra button: 寻宝乐趣多 - {59BC54A2-56B3-44a0-93E5-432D58746E26} - http://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=taobao (file missing)
O9 - Extra button: 雅虎助手 - {5D73EE86-05F1-49ed-B850-E423120EC338} - http://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=yassist (file missing)
O9 - Extra button: 寻论网--中学作业解答 - {6924091F-CD97-41E1-B1D4-D9079409D423} - http://www.xunlun.com (file missing)
O9 - Extra 'Tools' menuitem: 中学作业 - {6924091F-CD97-41E1-B1D4-D9079409D423} - http://www.xunlun.com (file missing)
O9 - Extra button: kele8 - {84920E5F-3788-49cd-A274-E365578DF174} - http://www.kele8.com/ (file missing)
O9 - Extra 'Tools' menuitem: kele8 - {84920E5F-3788-49cd-A274-E365578DF174} - http://www.kele8.com/ (file missing)
O9 - Extra button: 金山卓越 - {8DE0FCD4-5EB5-11D3-AD25-00002100131B} - url:http://www.joyo.com (file missing)
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: QQ - {c95fe080-8f5d-11d2-a20b-00aa003c157b} - D:\QQ\QQ.EXE
O9 - Extra 'Tools' menuitem: 腾讯QQ - {c95fe080-8f5d-11d2-a20b-00aa003c157b} - D:\QQ\QQ.EXE
O9 - Extra button: FlashGet - {D6E814A0-E0C5-11d4-8D29-0050BA6940E3} - C:\PROGRA~1\FlashGet\flashget.exe
O9 - Extra 'Tools' menuitem: &FlashGet - {D6E814A0-E0C5-11d4-8D29-0050BA6940E3} - C:\PROGRA~1\FlashGet\flashget.exe
O9 - Extra button: 易趣购物 - {DE60714F-AC17-427e-861A-FD60CBDF119A} - http://click2.ad4all.net/url2/urlmanage/url.asp?id=1 (file missing)
O9 - Extra 'Tools' menuitem: 易趣购物 - {DE60714F-AC17-427e-861A-FD60CBDF119A} - http://click2.ad4all.net/url2/urlmanage/url.asp?id=1 (file missing)
O9 - Extra button: (no name) - {DEDEB80D-FA35-45d9-9460-4983E5A8AFE6} - D:\QQ\QQIEHelper.dll
O9 - Extra 'Tools' menuitem: QQ炫彩工具条设置 - {DEDEB80D-FA35-45d9-9460-4983E5A8AFE6} - D:\QQ\QQIEHelper.dll
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://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=repair (file missing)
O9 - Extra 'Tools' menuitem: 修复浏览器 - {ECF2E268-F28C-48d2-9AB7-8F69C11CCB71} - http://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=repair (file missing)
O9 - Extra button: 金山毒霸网站 - {ede25120-9867-44ae-a56e-4f4cfc225c3d} - url:http://www.duba.net (file missing)
O9 - Extra button: 在线查毒 - {f58d36c3-40be-4418-a786-d8fbe3eb3554} - C:\KAV5\kavie.htm (file missing)
O9 - Extra button: (no name) - {FD00D911-7529-4084-9946-A29F1BDF4FE5} - http://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=clean (file missing)
O9 - Extra 'Tools' menuitem: 清理上网记录 - {FD00D911-7529-4084-9946-A29F1BDF4FE5} - http://cn.zs.yahoo.com/cnsbutton.htm?source=cns&btn=clean (file missing)
O9 - Extra button: (no name) - {974AD624-EA50-4831-A6C0-3040F6665396} - D:\DLFast\rssband.dll (file missing) (HKCU)
O9 - Extra 'Tools' menuitem: 新浪点点通阅读器 - {974AD624-EA50-4831-A6C0-3040F6665396} - D:\DLFast\rssband.dll (file missing) (HKCU)
O9 - Extra button: 新浪点点通阅读器 - {F0646DC8-58CD-4C64-8F6B-525043914685} - D:\DLFast\rssband.dll (file missing) (HKCU)
O11 - Options group: [!CNS] 上网助手-地址栏搜索
O11 - Options group: [TBH] 搜搜地址栏搜索
O16 - DPF: {0400AC1C-EEF0-4638-A501-31D5A0DC2002} (VTPlug3 Class) - http://61.129.90.93:1995/VTrans.cab
O16 - DPF: {3D8F74EE-8692-4F8F-B8D2-7522E732519E} (WebActivater Control) - http://game.qq.com/QQGame2.cab
O16 - DPF: {56336BCB-3D8A-11D6-A00B-0050DA18DE71} (RdxIE Class) - http://software-dl.real.com/200ab0ad199067e05b03/netzip/RdxIE601_cn.cab
O16 - DPF: {6924091F-CD97-41E1-B1D4-D9079409D413} (IMCv1 Control) - http://61.129.90.93:1995/talk.cab
O16 - DPF: {7253A666-8D4A-11D7-A4DC-00E04C504779} (BDC Control) - http://www.love2099.info/BDC.cab
O16 - DPF: {88734439-46D0-42C0-A13F-7E881EE550CF} (Filetran Control) - http://www.bluesky.cn/download/filetran.cab
O16 - DPF: {99888952-AC62-437C-AFC6-7B5CF05A7F2F} (IEDown Class) - http://download.ourgame.com/IEDown.cab
O16 - DPF: {ABA7CC7F-019D-47DB-A0D2-B3C2B3AC1B44} (Fc2Boot Class) - http://h5.kele8.com/onet/ActiveX/fc2boot.cab
O16 - DPF: {BE9D5F13-40C1-44CA-9950-B9211E4B60DD} (MeChatU Class) - http://mcmcy.vicp.net:5000/video/MeChatUser.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash
Object) - http://www.hdt.net.cn/flash/swflash.cab
O16 - DPF: {DA984A6D-508E-11D6-AA49-0050FF3C628D} (Ravonline) - http://download.rising.com.cn/QQ/QQkill/rsonline.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{4E7B627F-0AEE-41E6-A6EB-3940CCFF321A}: NameServer = 202.99.160.68 202.99.166.4
O18 - Filter: text/x-mrml - {C51721BE-858B-4A66-A8BF-D2882FF49820} - C:\Program Files\MMFPlayer\MidRadio.ocx
O23 - Service: 372lhelp.exe - Unknown owner - C:\WINDOWS\System32\372lhelp.exe
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: glam (plgt) - Unknown owner - C:\WINDOWS\lasm.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
