最近用瑞星杀毒时中了trojan.win32.rootkit.h病毒，被删除的文件名是msdirectx.sys,可是重启后又有了，在安全模式下杀毒也不行，还攻击局域网的机器，请求大哥大姐帮助。我的系统是win2000sp4，附日志：
Logfile of HijackThis v1.99.1
Scan saved at 14:39:19, on 2006-3-28
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:\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\svchost.exe
C:\WINNT\system32\nvsvc32.exe
C:\Program Files\Rising\Rav\RavService.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\Explorer.EXE
C:\WINNT\SOUNDMAN.EXE
C:\PROGRA~1\Yahoo!\ASSIST~1\YLive.exe
C:\PROGRA~1\Yahoo!\Assistant\yassistse.exe
C:\Program Files\Rising\Rav\RavTray.exe
C:\Program Files\Rising\Rav\RavTimer.exe
C:\Program Files\Rising\Rav\RavMon.exe
C:\WINNT\system32\RUNDLL32.EXE
C:\WINNT\system32\ctfmon.exe
D:\QQ\QQ.exe
C:\WINNT\system32\conime.exe
D:\QQ\TIMPlatform.exe
D:\我的文件\ha_hijackthis_1991\HijackThis.exe
R3 - URLSearchHook: 雅虎助手 - {406F94F0-504F-4a40-8DFD-58B0666ABEBD} - C:\PROGRA~1\Yahoo!\ASSIST~1\assist\yasbar.dll
O2 - BHO: MyIEHelper Class - {16A770A0-0E87-4278-B748-2460D64A8386} - C:\Documents and Settings\All Users\Application Data\Microsoft\IEHelper\IEHelper2006327_8222.dll
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:\PROGRA~1\Yahoo!\ASSIST~1\assist\yasbar.dll
O2 - BHO: QQIEHelper - {54EBD53A-9BC1-480B-966A-843A333CA162} - d:\QQ\QQIEHelper.dll
O2 - BHO: YDragSearch - {62EED7C6-9F02-42f9-B634-98E2899E147B} - C:\PROGRA~1\Yahoo!\ASSIST~1\assist\YDRAGS~1.DLL
O2 - BHO: ME
objectSDT - {D4D5C535-BA95-4327-870D-A33826FDD17A} - C:\WINNT\system32\obwbkya.dll
O3 - Toolbar: @msdxmLC.dll,-1@2052,电台(&R) - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\system32\msdxm.ocx
O3 - Toolbar: 雅虎助手 - {406F94F0-504F-4a40-8DFD-58B0666ABEBD} - C:\PROGRA~1\Yahoo!\ASSIST~1\assist\yasbar.dll
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINNT\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [Windows Workstation Service [5.1-2600]] windrm.exe
O4 - HKLM\..\Run: [IMSCMig] C:\PROGRA~1\COMMON~1\MICROS~1\IME\IMSC40A\IMSCMIG.EXE /Preload
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: [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
O4 - HKLM\..\Run: [AutoInsQyule] C:\Program Files\Qyule\QyuleInstall.exe
O4 - HKLM\..\Run: [ClientQyule] C:\Program Files\Qyule\qyule.exe
O4 - HKLM\..\RunServices: [Windows Workstation Service [5.1-2600]] windrm.exe
O4 - HKCU\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINNT\system32\NVMCTRAY.DLL,NvTaskbarInit
O4 - HKCU\..\Run: [ctfmon.exe] ctfmon.exe
O4 - HKCU\..\Run: [Windows Workstation Service [5.1-2600]] windrm.exe
O4 - HKCU\..\Run: [pbmini] C:\Program Files\pcast\PodcastbarMini\PodcastBarMiniStater.exe
O4 - HKCU\..\RunServices: [Windows Workstation Service [5.1-2600]] windrm.exe
O4 - Startup: 腾讯QQ.lnk = D:\QQ\QQ.exe
O8 - Extra context menu item: 上传到QQ网络硬盘 - D:\QQ\AddToNetDisk.htm
O8 - Extra context menu item: 导出到 Microsoft Office Excel(&X) - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
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: 雅虎搜索 - res://C:\PROGRA~1\Yahoo!\Assistant\Assist\yasbar.dll/246
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: 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: 信息检索 - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
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} - d:\QQ\QQ.EXE
O9 - Extra 'Tools' menuitem: 腾讯QQ - {c95fe080-8f5d-11d2-a20b-00aa003c157b} - d:\QQ\QQ.EXE
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.zs.yahoo.com/cnsbutton.htm?source=cns&btn=yahoomsg (file missing)
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1142491069234
O16 - DPF: {E87A4CD6-BA5F-4552-BC4F-8EC240A2755C} (WebRecClient Control) - http://192.168.64.97/webrec.cab
O16 - DPF: {F138084D-84D7-48CD-BEA8-04772457516E} (VqqSpeedDlProxy Class) - http://218.85.138.27/vqqsdl1009.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{2891DFC4-FB38-40E2-910E-15B1E817F83C}: NameServer = 192.168.128.8,192.168.128.4
O17 - HKLM\System\CS1\Services\Tcpip\..\{2891DFC4-FB38-40E2-910E-15B1E817F83C}: NameServer = 192.168.128.8,192.168.128.4
O17 - HKLM\System\CS2\Services\Tcpip\..\{2891DFC4-FB38-40E2-910E-15B1E817F83C}: NameServer = 192.168.128.8,192.168.128.4
O23 - Service: Logical Disk Manager Administrative Service (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.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: 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
O23 - Service: SDAgent Service (SDAgentService) - 北京兴华基业软件技术有限公司 - C:\Program Files\Common Files\smartde\sde.exe
O23 - Service: windows (windows服务端程序) - Unknown owner - C:\WINNT\crsm.exe
