Logfile of HijackThis v1.99.0
Scan saved at 20:31:21, on 2005-11-28
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\csrss.exe
C:\WINNT\system32\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
C:\KAV2005\KWatch.EXE
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\spoolsv.exe
C:\Program Files\Symantec AntiVirus\DefWatch.exe
C:\WINNT\SYSTEM32\DNTUS26.EXE
C:\WINNT\SYSTEM32\DWRCS.EXE
C:\WINNT\system32\svchost.exe
C:\KAV2005\KPfwSvc.EXE
C:\WINNT\system32\regsvc.exe
C:\WINNT\system32\MSTask.exe
C:\WINNT\system32\stisvc.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\SOUNDMAN.EXE
C:\PROGRA~1\Yahoo!\Assistant\yassistse.exe
C:\KAV2005\KAVPFW.EXE
C:\Program Files\Internet Explorer\iexplore.exe
C:\WINNT\explorer.exe
L:\movie\1\Tencent\QQLive\QQLive.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\WINNT\system32\cdmdownld\xdotnbtort.exe
C:\Program Files\WinRAR\WinRAR.exe
C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\Rar$EX02.172\HijackThis\HijackThis.exe

R3 - Default URLSearchHook is missing
O2 - BHO: (no name) - _{06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - (no file)
O2 - BHO: yPhtb - _{33BBE430-0E42-4f12-B075-8D21ACB10DCB} - (no file)
O2 - BHO: Anti Fish - _{38928D50-8A48-44C2-945F-D2F23F771410} - (no file)
O2 - BHO: (no name) - _{4D666C23-7BA2-A154-933C-CAEA3036C4D2} - (no file)
O2 - BHO: YDragSearch - _{62EED7C6-9F02-42f9-B634-98E2899E147B} - (no file)
O2 - BHO: Loader Class - {2E246FAE-8420-11D9-870D-000C2917DE7F} - C:\WINDOWS\SYSTEM\Loader.dll (file missing)
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!\Assistant\Assist\yasbar.dll
O2 - BHO: QQIEHelper - {54EBD53A-9BC1-480B-966A-843A333CA162} - L:\movie\1\Tencent\QQ\QQIEHelper.dll
O2 - BHO: (no name) - {CB8892F5-524F-7030-0796-3412787E3850} - C:\WINNT\system32\cdmdownld\xdotnbtort.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!\Assistant\Assist\yasbar.dll
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [Windows Management Instrumentation] rem wmimgr.exe
O4 - HKLM\..\Run: [SurfSideKick 3] C:\Program Files\SurfSideKick 3\Ssk.exe
O4 - HKLM\..\Run: [yassistse] "C:\PROGRA~1\Yahoo!\Assistant\yassistse.exe"
O4 - HKCU\..\Run: [Internat.exe] internat.exe
O4 - HKCU\..\Run: [KavPFW] "C:\KAV2005\KAVPFW.EXE"
O8 - Extra context menu item: 上传到QQ网络硬盘 - L:\movie\1\Tencent\QQ\AddToNetDisk.htm
O8 - Extra context menu item: 添加到QQ自定义面板 - L:\movie\1\Tencent\QQ\AddPanel.htm
O8 - Extra context menu item: 添加到QQ表情 - L:\movie\1\Tencent\QQ\AddEmotion.htm
O8 - Extra context menu item: 用QQ彩信发送该图片 - L:\movie\1\Tencent\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: 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} - L:\movie\1\Tencent\QQ\QQ.EXE
O9 - Extra 'Tools' menuitem: 腾讯QQ - {c95fe080-8f5d-11d2-a20b-00aa003c157b} - L:\movie\1\Tencent\QQ\QQ.EXE
O9 - Extra button: (no name) - {DEDEB80D-FA35-45d9-9460-4983E5A8AFE6} - L:\movie\1\Tencent\QQ\QQIEHelper.dll
O9 - Extra 'Tools' menuitem: QQ炫彩工具条设置 - {DEDEB80D-FA35-45d9-9460-4983E5A8AFE6} - L:\movie\1\Tencent\QQ\QQIEHelper.dll
O14 - IERESET.INF: START_PAGE_URL=about:blank
O16 - DPF: {9EB320CE-BE1D-4304-A081-4B4665414BEF} (MediaTicketsInstaller Control) - http://www.mt-download.com/MediaTicketsInstaller.cab?refid=4809
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: {F138084D-84D7-48CD-BEA8-04772457516E} (VqqSpeedDlProxy Class) - http://218.85.138.27/vqqsdl1009.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{B478A723-522C-48CC-AC80-B48FC5788749}: NameServer = 192.168.1.1,202.96.134.134
O23 - Service: Symantec Password Validation - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccPwdSvc.exe
O23 - Service: Symantec AntiVirus Definition Watcher - Symantec Corporation - C:\Program Files\Symantec AntiVirus\DefWatch.exe
O23 - Service: Logical Disk Manager Administrative Service - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: DameWare NT Utilities 2.6 - DameWare Development LLC - C:\WINNT\SYSTEM32\DNTUS26.EXE
O23 - Service: DameWare Mini Remote Control - DameWare Development - C:\WINNT\SYSTEM32\DWRCS.EXE
O23 - Service: Kingsoft Personal Firewall Service - Kingsoft Corporation - C:\KAV2005\KPfwSvc.EXE
O23 - Service: Kingsoft Antivirus KWatch Service - Kingsoft Corporation - C:\KAV2005\KWatch.EXE
O23 - Service: psidaemon - Unknown - C:\padspwr\Security\License_Management\LMGRD.EXE
O23 - Service: SAVRoam - symantec - C:\Program Files\Symantec AntiVirus\SavRoam.exe
O23 - Service: System Startup Service - Unknown - C:\WINNT\svcproc.exe
O23 - Service: Symantec AntiVirus - Symantec Corporation - C:\Program Files\Symantec AntiVirus\Rtvscan.exe

重新启动到安全模式（进入安全模式的方法:重新启动电脑, 开机自动检测完后, 按[F8]键(可以一直按到启动菜单出来为止), 选择安全模式(Safe Mode)进入Windows。）

开始→控制面板→性能和维护→管理工具→服务→查找DameWare NT Utilities 2.6、DameWare Mini Remote Control、→右击→属性→启动类型→禁止→应用→停止→确定。

请关闭所有IE界面，重新使用HijackThis扫描一次，选中下面建议修复的项目，让HijackThis修复，修复前请允许HijackThis保留备份。（如果楼主知道是安全的可以不必勾选）
R3 - Default URLSearchHook is missing
O2 - BHO: (no name) - _{06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - (no file)
O2 - BHO: yPhtb - _{33BBE430-0E42-4f12-B075-8D21ACB10DCB} - (no file)
O2 - BHO: Anti Fish - _{38928D50-8A48-44C2-945F-D2F23F771410} - (no file)
O2 - BHO: (no name) - _{4D666C23-7BA2-A154-933C-CAEA3036C4D2} - (no file)
O2 - BHO: YDragSearch - _{62EED7C6-9F02-42f9-B634-98E2899E147B} - (no file)
O2 - BHO: Loader Class - {2E246FAE-8420-11D9-870D-000C2917DE7F} - C:\WINDOWS\SYSTEM\Loader.dll (file missing)
O2 - BHO: (no name) - {CB8892F5-524F-7030-0796-3412787E3850} - C:\WINNT\system32\cdmdownld\xdotnbtort.dll
O4 - HKLM\..\Run: [Windows Management Instrumentation] rem wmimgr.exe

然后打开我的电脑→再点工具→打开文件夹选项→查看→把隐藏受保护的系统文件（推荐）和隐藏已知文件类型的扩展名的勾去掉→再显示所有文件→找到以下文件并删除：(如果有的话)
wmimgr.exe（请用开始菜单中的搜索功能查找）
C:\WINNT\SYSTEM32\DNTUS26.EXE
C:\WINNT\SYSTEM32\DWRCS.EXE
删除文件夹C:\WINNT\system32\cdmdownld

谢谢版主~~我会试着用下。