Logfile of HijackThis v1.99.1
Scan saved at 11:25:15, on 2005-11-29
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\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
D:\迅雷\ThunderMini.exe
D:\1\东方卫士\新建文件夹\DFVSX\DFVSX.exe
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\WINDOWS\System32\BYXMPK.EXE
C:\WINDOWS\System32\ctfmon.exe
C:\WINDOWS\system32\spool\drivers\w32x86\3\CAP4LAK.EXE
C:\WINDOWS\System32\CAP4RSK.EXE
C:\WINDOWS\System32\spool\drivers\w32x86\3\CAP4SWK.EXE
C:\WINDOWS\system32\spool\drivers\w32x86\3\CAP4SWK.EXE
C:\WINDOWS\System32\rundll32.exe
C:\Program Files\Common Files\SANDF\diskman.exe
C:\WINDOWS\system32\UStorSrv.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\rundll32.exe
D:\1\反间谍专家\ske\TrojanAssistant.exe
C:\Program Files\internet explorer\IEXPLORE.EXE
D:\1\扫描日志\HijackThis.exe

O2 - BHO: ThunderIEHelper Class - {0005A87D-D626-4B3A-84F9-1D9571695F55} - C:\WINDOWS\System32\xunleibho_v6.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:\Tencent\QQ\QQIEHelper.dll
O2 - BHO: MMSAssist - {6671A431-5C3D-463d-A7CF-5587F9B7E191} - C:\PROGRA~1\MMSASS~1\MMSASS~1.DLL
O2 - BHO: std software - {6A512BF7-EC78-4e8d-9841-6C02E8FA9838} - C:\WINDOWS\SYSTEM32\stdup.dll
O2 - BHO: IE - {D157330A-9EF3-49F8-9A67-4141AC41ADD4} - C:\WINDOWS\DOWNLO~1\CnsHook.dll
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:\PROGRA~1\Yahoo!\ASSIST~1\Assist\yasbar.dll
O4 - HKLM\..\Run: [WinsSystem] C:\Program Files\Internet Explorer\syssmss.exe
O4 - HKLM\..\Run: [thunder_mini] D:\迅雷\ThunderMini.exe
O4 - HKLM\..\Run: [Update] rem C:\WINDOWS\System32\Update.exe
O4 - HKLM\..\Run: [dfvsx] "D:\1\东方卫士\新建文件夹\DFVSX\DFVSX.exe" -Min
O4 - HKLM\..\Run: [helper.dll] C:\WINDOWS\system32\rundll32.exe C:\PROGRA~1\3721\helper.dll,Rundll32
O4 - HKLM\..\Run: [DTService] rem rundll32.exe C:\DOCUME~1\zjl\LOCALS~1\Temp\RarSFX0\DTSERV~1.DLL,Load
O4 - HKLM\..\Run: [TkBellExe] rem "C:\Program Files\Common Files\Real\Update_OB\realsched.exe"  -osboot
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\System32\ctfmon.exe
O4 - Global Startup: Canon LBP3200 状态窗口.LNK = C:\WINDOWS\system32\spool\drivers\w32x86\3\CAP4LAK.EXE
O4 - Global Startup: Adobe Gamma Loader.exe.lnk = C:\Program Files\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe
O8 - Extra context menu item:  >> 彩信发送 << - res://C:\PROGRA~1\MMSASS~1\MMSASS~1.DLL/mms.htm
O8 - Extra context menu item: !搜一搜 - res://C:\WINDOWS\DOWNLO~1\CnsMinEx.dll/1003
O8 - Extra context menu item: &使用迷你迅雷下载 - D:\迅雷\geturl.htm
O8 - Extra context menu item: 上传到QQ网络硬盘 - D:\qw\qq\AddToNetDisk.htm
O8 - Extra context menu item: 添加到QQ自定义面板 - D:\qw\qq\AddPanel.htm
O8 - Extra context menu item: 添加到QQ表情 - D:\qw\qq\AddEmotion.htm
O8 - Extra context menu item: 用QQ彩信发送该图片 - D:\qw\qq\SendMMS.htm
O9 - Extra button: 手机短信 - {00000000-0000-0001-0001-596BAEDD1289} - http://sms.3721.com/ie/index.htm?pid=98973_1006 (file missing)
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://adtaobao.allyes.com/main/adfclick?db=adtaobao&bid=138,140,18&cid=816,8,1&sid=5042&show=ignore&url=?allyesPara=816 (file missing)
O9 - Extra button: 雅虎助手 - {5D73EE86-05F1-49ed-B850-E423120EC338} - http://cn.zs.yahoo.com/?source=Cns (file missing)
O9 - Extra button: (no name) - {6671A433-5C3D-463d-A7CF-5587F9B7E191} - C:\PROGRA~1\MMSASS~1\MMSASS~1.DLL
O9 - Extra 'Tools' menuitem: MMSAssist工具条设置 - {6671A433-5C3D-463d-A7CF-5587F9B7E191} - C:\PROGRA~1\MMSASS~1\MMSASS~1.DLL
O9 - Extra button: (no name) - {DEDEB80D-FA35-45d9-9460-4983E5A8AFE6} - d:\Tencent\QQ\QQIEHelper.dll
O9 - Extra 'Tools' menuitem: QQ炫彩工具条设置 - {DEDEB80D-FA35-45d9-9460-4983E5A8AFE6} - d:\Tencent\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://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)
O11 - Options group: [!CNS]  网络实名
O14 - IERESET.INF: START_PAGE_URL=about:blank
O23 - Service: Universal Disk Manager - Unknown owner - C:\Program Files\Common Files\SANDF\diskman.exe
O23 - Service: UStorage Server Service - OTi - C:\WINDOWS\system32\UStorSrv.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Universal Disk Manager→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）
O2 - BHO: MMSAssist - {6671A431-5C3D-463d-A7CF-5587F9B7E191} - C:\PROGRA~1\MMSASS~1\MMSASS~1.DLL
O2 - BHO: std software - {6A512BF7-EC78-4e8d-9841-6C02E8FA9838} - C:\WINDOWS\SYSTEM32\stdup.dll
O4 - HKLM\..\Run: [Update] rem C:\WINDOWS\System32\Update.exe
O4 - HKLM\..\Run: [WinsSystem] C:\Program Files\Internet Explorer\syssmss.exe
O4 - HKLM\..\Run: [DTService] rem rundll32.exe C:\DOCUME~1\zjl\LOCALS~1\Temp\RarSFX0\DTSERV~1.DLL,Load
O8 - Extra context menu item: >> 彩信发送 << - res://C:\PROGRA~1\MMSASS~1\MMSASS~1.DLL/mms.htm
O9 - Extra button: (no name) - {6671A433-5C3D-463d-A7CF-5587F9B7E191} - C:\PROGRA~1\MMSASS~1\MMSASS~1.DLL
O9 - Extra 'Tools' menuitem: MMSAssist工具条设置 - {6671A433-5C3D-463d-A7CF-5587F9B7E191} - C:\PROGRA~1\MMSASS~1\MMSASS~1.DLL

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)
C:\WINDOWS\SYSTEM32\stdup.dll
C:\WINDOWS\System32\Update.exe
C:\Program Files\Internet Explorer\syssmss.exe
C:\DOCUME~1\zjl\LOCALS~1\Temp\RarSFX0\DTSERV~1.DLL
删除文件夹C:\PROGRA~1\MMSASS~1
删除文件夹C:\Program Files\Common Files\SANDF