浏览的时候经常自己弹出网页，不是固定的，下面几个是曾经出来过的：
www.tang3.com/ad/1.htm
www.1860cl.com/cl/ring2.htm
tl.linktone.com/wzlm/7602260.html?user_id=010010136
211.100.23.57/miniweb/index.aspx?pid=0089&from=1
日志附下：

HijackThis@Qoo的扫描日志  V1.97.7
Scan saved at 19:28:29, on 2006-3-17
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

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\system32\LEXBCES.EXE
C:\WINDOWS\system32\LEXPPS.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Common Files\Symantec Shared\ccProxy.exe
C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
C:\Program Files\Norton Internet Security\Norton AntiVirus\navapsvc.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\Program Files\Common Files\Symantec Shared\ccApp.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Norton Internet Security\Norton AntiVirus\SAVScan.exe
C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
C:\Program Files\Common Files\Symantec Shared\Security Center\SymWSC.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Messenger\msmsgs.exe
I:\hijackthis1.97_qoo\HijackThis.exe

O2 - BHO: (no name) - {0005A87D-D626-4B3A-84F9-1D9571695F55} - C:\WINDOWS\system32\xunleibho_v8.dll
O2 - BHO: (no name) - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - d:\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: Web
O2 - BHO: (no name) - {B8CCDD47-38E4-4CD2-B7FA-3B4B690F74BD} - C:\WINDOWS\system32\microapmddt.dll
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Program Files\Norton Internet Security\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: FlashGet Bar - {E0E899AB-F487-11D5-8D29-0050BA6940E3} - D:\
O3 - Toolbar: ????? - {0B53EAC3-8D69-4b9e-9B19-A37C9A5676A7} - C:\Program Files\Common Files\Symantec Shared\AdBlocking\NISShExt.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton Internet Security\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: ????? - {DB9ECD4F-FB8F-4311-B3CE-90B976C2707C} - C:\WINDOWS\system32\kakatool.dll
O4 - HKLM\..\Run: [IMJPMIG8.1] ; C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE /Spoil /RemAdvDef /Migration32
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe /Consumer
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [MicrosoftRedirectionProgram] C:\WINDOWS\svchost.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Startup: ntuser.dat
O4 - Startup: Recent.000
O4 - Startup: ntuser.dat.LOG
O4 - Startup: ntuser.ini
O4 - Startup: sys_log_72356665.upt
O4 - Global Startup: NTUSER.DAT
O4 - Global Startup: NTUSER.DAT.LOG
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Restrictions present
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O8 - Extra context menu item: &使用迅雷下载 - D:\
O8 - Extra context menu item: &使用迅雷下载全部链接 - D:\
O8 - Extra context menu item: 上传到QQ网络硬盘 - D:\Tencent\AddToNetDisk.htm
O8 - Extra context menu item: 使用网际快车下载 - D:\
O8 - Extra context menu item: 使用网际快车下载全部链接 - D:\
O8 - Extra context menu item: 导入当前页到超星阅览器(&A) - D:\SSREADER36\ss_all.htm
O8 - Extra context menu item: 导入选中部分到超星阅览器(&S) - D:\SSREADER36\ss_select.htm
O8 - Extra context menu item: 添加到QQ自定义面板 - D:\Tencent\AddPanel.htm
O8 - Extra context menu item: 添加到QQ表情 - D:\Tencent\AddEmotion.htm
O8 - Extra context menu item: 用QQ彩信发送该图片 - D:\Tencent\SendMMS.htm
O9 - Extra button: QQ (HKLM)
O14 - IERESET.INF: START_PAGE_URL=http://www.fm365.com
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {1F2F4C9E-6F09-47BC-970D-3C54734667FE} (LSSupCtl Class) - https://www-secure.symantec.com/techsupp/asa/LSSupCtl.cab
O16 - DPF: {7A97B026-F3BB-49F6-BEAC-75021AD45B4E} (SLAProbe Control) - http://xnjc.jsinfo.net:81/sla/SLAProbe/SLAProbe.ocx
O16 - DPF: {99888952-AC62-437C-AFC6-7B5CF05A7F2F} (IEDown Class) - http://download.ourgame.com/IEDown.cab
O16 - DPF: {9F1C11AA-197B-4942-BA54-47A8489BB47F} - http://v4.windowsupdate.microsoft.com/CAB/x86/unicode/iuctl.CAB?38187.7783217593
O16 - DPF: {CE28D5D2-60CF-4C7D-9FE8-0F47A3308078} (ActiveDataInfo Class) - https://www-secure.symantec.com/techsupp/asa/SymAData.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{F0E0F0A4-3868-4264-B4EC-488BF137D768}: NameServer = 61.147.37.1 61.177.7.1

这个是启动日志，也贴出来参考，谢谢~
StartupList report, 2006-3-17, 19:28:41
StartupList version: 1.52
Started from : I:\hijackthis1.97_qoo\HijackThis.EXE
Detected: Windows XP SP2 (WinNT 5.01.2600)
Detected: Internet Explorer v6.00 SP2 (6.00.2900.2180)
* Using default options
* Including empty and uninteresting sections
==================================================

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\system32\LEXBCES.EXE
C:\WINDOWS\system32\LEXPPS.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Common Files\Symantec Shared\ccProxy.exe
C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
C:\Program Files\Norton Internet Security\Norton AntiVirus\navapsvc.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\Program Files\Common Files\Symantec Shared\ccApp.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Norton Internet Security\Norton AntiVirus\SAVScan.exe
C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
C:\Program Files\Common Files\Symantec Shared\Security Center\SymWSC.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Messenger\msmsgs.exe
I:\hijackthis1.97_qoo\HijackThis.exe
C:\WINDOWS\notepad.exe

--------------------------------------------------

Listing of startup folders:

Shell folders Startup:
[C:\Documents and Settings\user_common\「开始」菜单\程序\启动]
*No files*

Shell folders AltStartup:
*Folder not found*

User shell folders Startup:
*Folder not found*

User shell folders AltStartup:
*Folder not found*

Shell folders Common Startup:
[C:\Documents and Settings\All Users\「开始」菜单\程序\启动]
*No files*

Shell folders Common AltStartup:
*Folder not found*

User shell folders Common Startup:
*Folder not found*

User shell folders Alternate Common Startup:
*Folder not found*

--------------------------------------------------

Checking Windows NT UserInit:

[HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
UserInit = C:\WINDOWS\system32\userinit.exe,C:\WINDOWS\ .exe

[HKLM\Software\Microsoft\Windows\CurrentVersion\Winlogon]
*Registry value not found*

[HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
*Registry value not found*

[HKCU\Software\Microsoft\Windows\CurrentVersion\Winlogon]
*Registry key not found*

--------------------------------------------------

Autorun entries from Registry:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run

IMJPMIG8.1 = ; C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE /Spoil /RemAdvDef /Migration32
Symantec NetDriver Monitor = C:\PROGRA~1\SYMNET~1\SNDMon.exe /Consumer
ccApp = "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
NvCplDaemon = RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
MicrosoftRedirectionProgram = C:\WINDOWS\svchost.exe

--------------------------------------------------

Autorun entries from Registry:
HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnce

*No values found*

--------------------------------------------------

Autorun entries from Registry:
HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnceEx

*No values found*

--------------------------------------------------

Autorun entries from Registry:
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices

*No values found*

--------------------------------------------------

Autorun entries from Registry:
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServicesOnce

*Registry key not found*

--------------------------------------------------

Autorun entries from Registry:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run

ctfmon.exe = C:\WINDOWS\system32\ctfmon.exe

--------------------------------------------------

Autorun entries from Registry:
HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce

*No values found*

--------------------------------------------------

Autorun entries from Registry:
HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnceEx

*Registry key not found*

--------------------------------------------------

Autorun entries from Registry:
HKCU\Software\Microsoft\Windows\CurrentVersion\RunServices

*Registry key not found*

--------------------------------------------------

Autorun entries from Registry:
HKCU\Software\Microsoft\Windows\CurrentVersion\RunServicesOnce

*Registry key not found*

--------------------------------------------------

Autorun entries from Registry:
HKLM\Software\Microsoft\Windows NT\CurrentVersion\Run

*Registry key not found*

--------------------------------------------------

Autorun entries from Registry:
HKCU\Software\Microsoft\Windows NT\CurrentVersion\Run

*Registry key not found*

--------------------------------------------------

Autorun entries in Registry subkeys of:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run

[OptionalComponents]
*No values found*

--------------------------------------------------

Autorun entries in Registry subkeys of:
HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnce
*No subkeys found*

--------------------------------------------------

Autorun entries in Registry subkeys of:
HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnceEx
*No subkeys found*

--------------------------------------------------

Autorun entries in Registry subkeys of:
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices
*No subkeys found*

--------------------------------------------------

Autorun entries in Registry subkeys of:
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServicesOnce
*Registry key not found*

--------------------------------------------------

Autorun entries in Registry subkeys of:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
*No subkeys found*

--------------------------------------------------

Autorun entries in Registry subkeys of:
HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce
*No subkeys found*

--------------------------------------------------
未完，见下：

Autorun entries in Registry subkeys of:
HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnceEx
*Registry key not found*

--------------------------------------------------

Autorun entries in Registry subkeys of:
HKCU\Software\Microsoft\Windows\CurrentVersion\RunServices
*Registry key not found*

--------------------------------------------------

Autorun entries in Registry subkeys of:
HKCU\Software\Microsoft\Windows\CurrentVersion\RunServicesOnce
*Registry key not found*

--------------------------------------------------

Autorun entries in Registry subkeys of:
HKLM\Software\Microsoft\Windows NT\CurrentVersion\Run
*Registry key not found*

--------------------------------------------------

Autorun entries in Registry subkeys of:
HKCU\Software\Microsoft\Windows NT\CurrentVersion\Run
*Registry key not found*

--------------------------------------------------

File association entry for .EXE:
HKEY_CLASSES_ROOT\exefile\shell\open\command

(Default) = "%1" %*

--------------------------------------------------

File association entry for .COM:
HKEY_CLASSES_ROOT\comfile\shell\open\command

(Default) = "%1" %*

--------------------------------------------------

File association entry for .BAT:
HKEY_CLASSES_ROOT\batfile\shell\open\command

(Default) = "%1" %*

--------------------------------------------------

File association entry for .PIF:
HKEY_CLASSES_ROOT\piffile\shell\open\command

(Default) = "%1" %*

--------------------------------------------------

File association entry for .SCR:
HKEY_CLASSES_ROOT\scrfile\shell\open\command

(Default) = "%1" /S

--------------------------------------------------

File association entry for .HTA:
HKEY_CLASSES_ROOT\htafile\shell\open\command

(Default) = C:\WINDOWS\System32\mshta.exe "%1" %*

--------------------------------------------------

Enumerating ICQ Agent Autostart apps:
HKCU\Software\Mirabilis\ICQ\Agent\Apps

*Registry key not found*

--------------------------------------------------

Load/Run keys from C:\WINDOWS\WIN.INI:

load=*INI section not found*
run=*INI section not found*

Load/Run keys from Registry:

HKLM\..\Windows NT\CurrentVersion\WinLogon: load=*Registry value not found*
HKLM\..\Windows NT\CurrentVersion\WinLogon: run=*Registry value not found*
HKLM\..\Windows\CurrentVersion\WinLogon: load=*Registry value not found*
HKLM\..\Windows\CurrentVersion\WinLogon: run=*Registry value not found*
HKCU\..\Windows NT\CurrentVersion\WinLogon: load=*Registry value not found*
HKCU\..\Windows NT\CurrentVersion\WinLogon: run=*Registry value not found*
HKCU\..\Windows\CurrentVersion\WinLogon: load=*Registry key not found*
HKCU\..\Windows\CurrentVersion\WinLogon: run=*Registry key not found*
HKCU\..\Windows NT\CurrentVersion\Windows: load=
HKCU\..\Windows NT\CurrentVersion\Windows: run=
HKLM\..\Windows NT\CurrentVersion\Windows: load=
HKLM\..\Windows NT\CurrentVersion\Windows: run=
HKLM\..\Windows NT\CurrentVersion\Windows: AppInit_DLLs=APIHookDll.dll

--------------------------------------------------

Shell & screensaver key from C:\WINDOWS\SYSTEM.INI:

Shell=*INI section not found*
SCRNSAVE.EXE=*INI section not found*
drivers=*INI section not found*

Shell & screensaver key from Registry:

Shell=Explorer.exe
SCRNSAVE.EXE=*Registry value not found*
drivers=*Registry value not found*

Policies Shell key:

HKCU\..\Policies: Shell=*Registry value not found*
HKLM\..\Policies: Shell=*Registry value not found*

--------------------------------------------------


Enumerating Browser Helper Objects:

(no name) - C:\WINDOWS\system32\xunleibho_v8.dll - {0005A87D-D626-4B3A-84F9-1D9571695F55}
(no name) - d:\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3}
Web 助手 - C:\Program Files\Common Files\Symantec Shared\AdBlocking\NISShExt.dll - {9ECB9560-04F9-4bbc-943D-298DDF1699E1}
(no name) - C:\WINDOWS\system32\microapmddt.dll - {B8CCDD47-38E4-4CD2-B7FA-3B4B690F74BD}
NAV Helper - C:\Program Files\Norton Internet Security\Norton AntiVirus\NavShExt.dll - {BDF3E430-B101-42AD-A544-FADC6B084872}

--------------------------------------------------

Enumerating Task Scheduler jobs:

Symantec NetDetect.job
Norton AntiVirus - 扫描我的电脑.job
Norton AntiVirus - 扫描我的电脑 - user_common.job

--------------------------------------------------

Enumerating Download Program Files:

[Microsoft XML Parser for Java]
CODEBASE = file://C:\WINDOWS\Java\classes\xmldso.cab
OSD = C:\WINDOWS\Downloaded Program Files\Microsoft XML Parser for Java.osd

[Windows Genuine Advantage Validation Tool]
InProcServer32 = C:\WINDOWS\system32\legitcheckcontrol.dll
CODEBASE = http://go.microsoft.com/fwlink/?linkid=39204

[LSSupCtl Class]
InProcServer32 = C:\WINDOWS\Downloaded Program Files\LSSupCtl.dll
CODEBASE = https://www-secure.symantec.com/techsupp/asa/LSSupCtl.cab

[SLAProbe Control]
InProcServer32 = C:\WINDOWS\DOWNLO~1\SLAProbe.ocx
CODEBASE = http://xnjc.jsinfo.net:81/sla/SLAProbe/SLAProbe.ocx

[IEDown Class]
InProcServer32 = C:\WINDOWS\System32\GLIEDown.dll
CODEBASE = http://download.ourgame.com/IEDown.cab

[{9F1C11AA-197B-4942-BA54-47A8489BB47F}]
CODEBASE = http://v4.windowsupdate.microsoft.com/CAB/x86/unicode/iuctl.CAB?38187.7783217593

[ActiveDataInfo Class]
InProcServer32 = C:\WINDOWS\Downloaded Program Files\SymAData.dll
CODEBASE = https://www-secure.symantec.com/techsupp/asa/SymAData.cab

[Shockwave Flash Object]
InProcServer32 = C:\WINDOWS\system32\Macromed\Flash\Flash8a.ocx
CODEBASE = http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab

--------------------------------------------------

Enumerating Winsock LSP files:

NameSpace #1: C:\WINDOWS\System32\mswsock.dll
NameSpace #2: C:\WINDOWS\System32\winrnr.dll
NameSpace #3: C:\WINDOWS\System32\mswsock.dll
Protocol #1: C:\WINDOWS\system32\mswsock.dll
Protocol #2: C:\WINDOWS\system32\mswsock.dll
Protocol #3: C:\WINDOWS\system32\mswsock.dll
Protocol #4: C:\WINDOWS\system32\rsvpsp.dll
Protocol #5: C:\WINDOWS\system32\rsvpsp.dll
Protocol #6: C:\WINDOWS\system32\mswsock.dll
Protocol #7: C:\WINDOWS\system32\mswsock.dll
Protocol #8: C:\WINDOWS\system32\mswsock.dll
Protocol #9: C:\WINDOWS\system32\mswsock.dll
Protocol #10: C:\WINDOWS\system32\mswsock.dll
Protocol #11: C:\WINDOWS\system32\mswsock.dll
Protocol #12: C:\WINDOWS\system32\mswsock.dll
Protocol #13: C:\WINDOWS\system32\mswsock.dll
Protocol #14: C:\WINDOWS\system32\mswsock.dll
Protocol #15: C:\WINDOWS\system32\mswsock.dll
Protocol #16: C:\WINDOWS\system32\mswsock.dll
Protocol #17: C:\WINDOWS\system32\mswsock.dll
Protocol #18: C:\WINDOWS\system32\mswsock.dll
Protocol #19: C:\WINDOWS\system32\mswsock.dll

--------------------------------------------------

Enumerating Windows NT logon/logoff scripts:
*No scripts set to run*

Windows NT checkdisk command:
BootExecute = autocheck autochk *

Windows NT 'Wininit.ini':
PendingFileRenameOperations: *Registry value not found*

--------------------------------------------------

Enumerating ShellServiceObjectDelayLoad items:

PostBootReminder: C:\WINDOWS\system32\SHELL32.dll
CDBurn: C:\WINDOWS\system32\SHELL32.dll
WebCheck: C:\WINDOWS\System32\webcheck.dll
SysTray: C:\WINDOWS\System32\stobject.dll

--------------------------------------------------
End of report, 14,818 bytes
Report generated in 0.125 seconds

Command line options:
  /verbose  - to add additional info on each section
  /complete - to include empty sections and unsuspicious data
  /full    - to include several rarely-important sections
  /force9x  - to include Win9x-only startups even if running on WinNT
  /forcent  - to include WinNT-only startups even if running on Win9x
  /forceall - to include all Win9x and WinNT startups, regardless of platform
  /history  - to list version history only

请用最新版Hijackthis1.99.1扫描一个log贴上来。

hijackThis下载地址见置顶贴
[必读]本版说明及常用小软件下载
http://forum.ikaka.com/topic.asp?board=67&artid=5188931