帮忙：小弟的电驴一起动，CPU马上占资源100%，慢得实在不行，小弟机子配置：CPU：P4 2.0G,内存:512M,硬盘:20G,每次开机均可杀到瑞玻病毒(Backdoor.RBot.bbq).
请高手帮偶分析:

HijackThis扫苗如下:

Logfile of HijackThis v1.99.1
Scan saved at 21:59:58, on 2005-10-13
Platform: Windows 2000 SP4 (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:\WINNT\system32\svchost.exe
E:\PROGRAM FILES\RISING\RAV\Ravmond.exe
C:\WINNT\system32\svchost.exe
e:\program files\rising\rfw\rfwsrv.exe
E:\PROGRAM FILES\RISING\RAV\RavStub.exe
C:\WINNT\system32\spoolsv.exe
C:\WINNT\System32\llssrv.exe
C:\Program Files\Common Files\Microsoft Shared\VS7Debug\mdm.exe
e:\PROGRA~1\MICROS~2\MSSQL\binn\sqlservr.exe
C:\WINNT\system32\regsvc.exe
E:\PROGRAM FILES\RISING\RAV\CCENTER.EXE
C:\WINNT\system32\MSTask.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\inetsrv\inetinfo.exe
C:\WINNT\system32\msdtc.exe
C:\Program Files\Common Files\System\MSSearch\Bin\mssearch.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\Explorer.EXE
e:\program files\rising\rfw\RfwMain.exe
C:\WINNT\system32\Dfssvc.exe
C:\PROGRA~1\Yahoo!\Assistant\yassistse.exe
C:\Program Files\Java\jre1.5.0_04\bin\jusched.exe
E:\Program Files\Ringz Studio\Storm Downloader\StormDownloader.exe
E:\PROGRA~1\RISING\RAV\RAVTIMER.EXE
E:\PROGRA~1\RISING\RAV\RAVMON.EXE
C:\WINNT\system32\ctfmon.exe
E:\Program Files\Super Rabbit\MagicSet\SRIECLI.EXE
C:\Program Files\Microsoft SQL Server\80\Tools\Binn\sqlmangr.exe
E:\Program Files\Ringz Studio\Storm Downloader\TDUpdate.exe
C:\WINNT\System32\svchost.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
E:\Program Files\Rising\Rav\Rav.exe
E:\Program Files\Tencent\QQ\QQ.exe
E:\Program Files\Tencent\QQ\TIMPlatform.exe
E:\Program Files\Tencent\QQ\qqpet\qqpet.exe
E:\Program Files\Adobe\Acrobat 7.0\Reader\AcroRd32.exe
E:\Program Files\WinRAR\WinRAR.exe
C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\Rar$EX00.872\HijackThis.exe

R3 - URLSearchHook: 上网助手 - {BB936323-19FA-4521-BA29-ECA6A121BC78} - C:\Program Files\3721\Assist\asbar.dll
O2 - BHO: ThunderIEHelper Class - {0005A87D-D626-4B3A-84F9-1D9571695F55} - C:\WINNT\system32\xunleibho_v4.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - E:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: CNNIC_IDN - {35980F6E-A137-4E50-953D-813BB8556899} - C:\PROGRA~1\CNNIC\Cdn\cdniehlp.dll
O2 - BHO: QQIEHelper - {54EBD53A-9BC1-480B-966A-843A333CA162} - E:\Program Files\Tencent\QQ\QQIEHelper.dll
O2 - BHO: ST - {9394EDE7-C8B5-483E-8773-474BF36AF6E4} - C:\Program Files\MSN Apps\ST\01.03.0000.1005\en-xu\stmain.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O2 - BHO: AssistII - {BB936323-19FA-4521-BA29-ECA6A121BC78} - C:\Program Files\3721\Assist\asbar.dll
O2 - BHO: MSNToolBandBHO - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.4000.1001\zh-cn\msntb.dll
O2 - BHO: YiSou - {EF1D17A9-089F-40cc-8D64-7324CDEBA0DB} - C:\PROGRA~1\YiSou\yisoub.dll
O3 - Toolbar: MSN - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.4000.1001\zh-cn\msntb.dll
O3 - Toolbar: 电台(&R) - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\system32\msdxm.ocx
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.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} - C:\Program Files\3721\Assist\asbar.dll
O3 - Toolbar: 东方卫士 - {A6790AA5-C6C7-4BCF-A46D-0FDAC4EA90EF} - C:\WINNT\system32\dfvs\dfvsol\DFVSIEBR.dll
O4 - HKLM\..\Run: [RAMDrive] rem ; "E:\Program Files\FarStone\VirtualDrive\VHD\RDTask.exe"
O4 - HKLM\..\Run: [yassistse] "C:\PROGRA~1\Yahoo!\Assistant\yassistse.exe"
O4 - HKLM\..\Run: [RfwMain] "e:\Program Files\Rising\Rfw\rfwmain.exe" -Startup
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_04\bin\jusched.exe
O4 - HKLM\..\Run: [TkBellExe] rem "C:\Program Files\Common Files\Real\Update_OB\realsched.exe"  -osboot
O4 - HKLM\..\Run: [Thunder] rem ; "E:\Program Files\Thunder Network\Thunder\ThunderShell.exe" /s
O4 - HKLM\..\Run: [QuickTime Task] rem ; "E:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [StormCodec_Helper] rem ; "e:\Program Files\Ringz Studio\Storm Codec\StormSet.exe" /S /opti
O4 - HKLM\..\Run: [MINI_BFYY] E:\Program Files\Ringz Studio\Storm Downloader\StormDownloader.exe
O4 - HKLM\..\Run: [Super Rabbit SRRestore] E:\Program Files\Super Rabbit\MagicSet\srrest.exe /autosave
O4 - HKLM\..\Run: [RavTimer] E:\PROGRA~1\RISING\RAV\RAVTIMER.EXE
O4 - HKLM\..\Run: [RavMon] E:\PROGRA~1\RISING\RAV\RAVMON.EXE -SYSTEM
O4 - HKCU\..\Run: [ctfmon.exe] ctfmon.exe
O4 - HKCU\..\Run: [msnmsgr] rem ; "C:\Program Files\MSN Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [MSNShell] rem E:\Program Files\MSNShell\BIN\MSNShell.exe autorun
O4 - HKCU\..\Run: [Super Rabbit IEPro] E:\Program Files\Super Rabbit\MagicSet\SRIECLI.EXE /LOAD
O4 - Global Startup: 服务管理器.lnk = C:\Program Files\Microsoft SQL Server\80\Tools\Binn\sqlmangr.exe
O8 - Extra context menu item: &使用暴风下载器下载 - E:\Program Files\Ringz Studio\Storm Downloader\geturl.htm
O8 - Extra context menu item: &使用迅雷下载 - E:\Program Files\Thunder Network\Thunder\geturl.htm
O8 - Extra context menu item: &使用迅雷下载全部链接 - E:\Program Files\Thunder Network\Thunder\getallurl.htm
O8 - Extra context menu item: Google 搜索(&G) - res://c:\program files\google\GoogleToolbar1.dll/cmsearch.html
O8 - Extra context menu item: 上传到QQ网络硬盘 - E:\Program Files\Tencent\QQ\AddToNetDisk.htm
O8 - Extra context menu item: 导出到 Microsoft Office Excel(&X) - res://E:\PROGRA~1\MICROS~1\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: 添加到QQ自定义面板 - E:\Program Files\Tencent\QQ\AddPanel.htm
O8 - Extra context menu item: 添加到QQ表情 - E:\Program Files\Tencent\QQ\AddEmotion.htm
O8 - Extra context menu item: 用QQ彩信发送该图片 - E:\Program Files\Tencent\QQ\SendMMS.htm
O9 - Extra button: 江民在线杀毒 - {06926B30-424E-4f1c-8EE3-543CD96573DC} - http://club.jiangmin.com/kvscan/KvOnline.asp (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: 东方卫士 - {A26ABCF0-1C8F-46e7-A67C-0489DC21B9CE} - C:\WINNT\system32\dfvs\dfvsol\DFVSIEBR.dll
O9 - Extra 'Tools' menuitem: 东方卫士工具条 - {A26ABCF0-1C8F-46e7-A67C-0489DC21B9CE} - C:\WINNT\system32\dfvs\dfvsol\DFVSIEBR.dll
O9 - Extra button: 在线杀毒 - {A26ABCF0-1C8F-46e7-A67C-0489DC21B9EE} - http://www.i110.com/dfvsonline/ (file missing)
O9 - Extra 'Tools' menuitem: 东方卫士 - {A26ABCF0-1C8F-46e7-A67C-0489DC21B9EE} - http://www.i110.com/dfvsonline/ (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: QQ - {c95fe080-8f5d-11d2-a20b-00aa003c157b} - E:\Program Files\Tencent\QQ\QQ.EXE
O9 - Extra 'Tools' menuitem: 腾讯QQ - {c95fe080-8f5d-11d2-a20b-00aa003c157b} - E:\Program Files\Tencent\QQ\QQ.EXE
O9 - Extra button: (no name) - {DEDEB80D-FA35-45d9-9460-4983E5A8AFE6} - E:\Program Files\Tencent\QQ\QQIEHelper.dll
O9 - Extra 'Tools' menuitem: QQ炫彩工具条设置 - {DEDEB80D-FA35-45d9-9460-4983E5A8AFE6} - E:\Program Files\Tencent\QQ\QQIEHelper.dll
O10 - Unknown file in Winsock LSP: c:\winnt\system32\cdnns.dll
O11 - Options group: [CDNCLIENT]  中文上网
O16 - DPF: {5DD731E6-D4F0-11D3-BE3F-00105A6FDA50} (V3ProX Control) - http://origin-www.ahn.com.cn/aspservice/plugin/myv3.cab
O16 - DPF: {9BBD100C-E820-4930-9937-E8F3AA40E584} (DFVSScanFile Control) - http://antivirus3.sunv.com/dfvsolDown/dfvsol.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/msnmessengersetupdownloader.cab
O16 - DPF: {C8BD9ACB-F7EC-48E6-BB2F-DAADC6789E9A} (Kingsoft DUBA OnlineScan) - http://zs.kingsoft.com/duba/OCX/KAVClean.CAB
O16 - DPF: {E4E2F180-CB8B-4DE9-ACBB-DA745D3BA153} (Rising Web Scan Object) - http://download.rising.com.cn/register/pcver/autoupgradepad/Ver2005/OL2005.cab
O16 - DPF: {E787FD25-8D7C-4693-AE67-9406BC6E22DF} (CPasswordEditCtrl Object) - https://tenpay.qq.com/download/qqedit.cab
O16 - DPF: {EF6205C1-3F17-4829-BCB5-1336ED89E356} - http://club.jiangmin.com/kvscan/KvDown.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{D1A27204-9F7F-40A2-BFA5-F1252CEB2DDA}: NameServer = 202.101.172.46 202.101.172.47
O18 - Protocol: ms-help - {314111C7-A502-11D2-BBCA-00C04F8EC294} - C:\Program Files\Common Files\Microsoft Shared\Help\hxds.dll
O20 - Winlogon Notify: igfxcui - C:\WINNT\SYSTEM32\igfxsrvc.dll
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 Personal Firewall Service (RfwService) - Beijing Rising Technology Corporation Limited - e:\program files\rising\rfw\rfwsrv.exe
O23 - Service: Rising Process Communication Center (RsCCenter) - rising - E:\PROGRAM FILES\RISING\RAV\CCENTER.EXE
O23 - Service: RsRavMon Service (RsRavMon) - Beijing Rising Technology Co., Ltd. - E:\PROGRAM FILES\RISING\RAV\Ravmond.exe