Trojaner-Board - iExplorer öffnet ständig irgendwelche Fenster

Hallo ich hab das problem das mein internet explorer und auch firefox ständig irgendwelche werbeseiten öffnet, ich hab auch schon viele antiviren programme benutzt aber ich bekomme das nicht weg. könnt ihr mir helfen??
hier mein log:

Logfile of HijackThis v1.99.1
Scan saved at 11:59:10, on 19.11.2005
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\rundll32.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\sstray.exe
C:\Programme\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Programme\D-Tools\daemon.exe
C:\Programme\ICQLite\ICQLite.exe
C:\Programme\QuickTime\qttask.exe
C:\Programme\AVPersonal\AVGNT.EXE
C:\WINDOWS\system32\ctfmon.exe
C:\Programme\ATI Multimedia\main\ATIDtct.EXE
C:\Programme\AceBIT\WISE-FTP 4\wf_tp.exe
C:\Programme\AVPersonal\AVGUARD.EXE
C:\Programme\AVPersonal\AVWUPSRV.EXE
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\wscntfy.exe
C:\WINDOWS\system32\NOTEPAD.EXE
C:\Programme\Internet Explorer\iexplore.exe
C:\Dokumente und Einstellungen\Administrator\Desktop\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.de/
R3 - URLSearchHook: (no name) - {855F3B16-6D32-4fe6-8A56-BBB695989046} - (no file)
O4 - HKLM\..\Run: [nForce Tray Options] sstray.exe /r
O4 - HKLM\..\Run: [ATIPTA] "C:\Programme\ATI Technologies\ATI Control Panel\atiptaxx.exe"
O4 - HKLM\..\Run: [DAEMON Tools-1033] "C:\Programme\D-Tools\daemon.exe" -lang 1033
O4 - HKLM\..\Run: [ICQ Lite] C:\Programme\ICQLite\ICQLite.exe -minimize
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programme\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [KAVPersonal50] "C:\Programme\kav\Kaspersky Anti-Virus Personal Pro\kav.exe" /minimize
O4 - HKLM\..\Run: [AVGCtrl] "C:\Programme\AVPersonal\AVGNT.EXE" /min
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [ATI DeviceDetect] C:\Programme\ATI Multimedia\main\ATIDtct.EXE
O4 - HKCU\..\Run: [WISE-FTP Task Planner] "C:\Programme\AceBIT\WISE-FTP 4\wf_tp.exe"
O4 - HKCU\..\RunOnce: [ICQ Lite] C:\Programme\ICQLite\ICQLite.exe -trayboot
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programme\Java\jre1.5.0_04\bin\npjpi150_04.dll
O9 - Extra 'Tools' menuitem: Sun Java Konsole - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programme\Java\jre1.5.0_04\bin\npjpi150_04.dll
O9 - Extra button: ATI TV - {44226DFF-747E-4edc-B30C-78752E50CD0C} - C:\Programme\ATI Multimedia\tv\EXPLBAR.DLL
O9 - Extra button: ICQ Lite - {B863453A-26C3-4e1f-A54D-A2CD196348E9} - C:\Programme\ICQLite\ICQLite.exe
O9 - Extra 'Tools' menuitem: ICQ Lite - {B863453A-26C3-4e1f-A54D-A2CD196348E9} - C:\Programme\ICQLite\ICQLite.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programme\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programme\Messenger\msmsgs.exe
O16 - DPF: {04E214E5-63AF-4236-83C6-A7ADCBF9BD02} (HouseCall Control) - http://housecall60.trendmicro.com/housecall/xscan60.cab
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1156007299545
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://acs.pandasoftware.com/activescan/as5free/asinst.cab
O20 - Winlogon Notify: ModuleUsage - C:\WINDOWS\system32\ktl6l73s1.dll
O23 - Service: AntiVir Service (AntiVirService) - H+BEDV Datentechnik GmbH - C:\Programme\AVPersonal\AVGUARD.EXE
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\System32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: AntiVir Update (AVWUpSrv) - H+BEDV Datentechnik GmbH, Germany - C:\Programme\AVPersonal\AVWUPSRV.EXE
O23 - Service: iPodService - Apple Computer, Inc. - C:\Programme\iPod\bin\iPodService.exe
O23 - Service: kavsvc - Kaspersky Lab - C:\Programme\kav\Kaspersky Anti-Virus Personal Pro\kavsvc.exe