Trojaner-Board - Bitte wer Zeit hat ueberpruefen!!??

HI!
Habe seit einiger Zeit ziemlich Probleme mit meinem Computer:

1)er ist sehr langsam
2)viele Pop-ups(Casino,.....)
3)oefteres abstuertzen
4)Fehlermeldungen wie zb. ("Virus gefunden, bitte folgendes Programm herunterladen.......)
5)kann meinen Startseite nicht aendern(w**.winantivirus.com)

Hier meine Logfile bitte auswerten:

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 19:11:28, on 11.12.2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16544)
Boot mode: Normal

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\Ati2evxx.exe
C:\Programme\Lavasoft\Ad-Aware 2007\aawservice.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\Programme\Avira\AntiVir PersonalEdition Classic\avguard.exe
C:\Programme\ATI Technologies\ATI.ACE\cli.exe
C:\Programme\Avira\AntiVir PersonalEdition Classic\avgnt.exe
C:\Programme\ICQLite\ICQLite.exe
C:\Programme\Zone Labs\ZoneAlarm\zlclient.exe
C:\Programme\Microsoft Hardware\Mouse\point32.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programme\Google\Google Updater\GoogleUpdater.exe
C:\Programme\NETGEAR\WG111v2\WG111v2.exe
C:\Programme\VirusProtect 3.8\VirusProtect 3.8.exe
C:\PROGRA~1\0190WA~1\w0svc.exe
C:\Programme\Avira\AntiVir PersonalEdition Classic\sched.exe
C:\Programme\Google\Common\Google Updater\GoogleUpdaterService.exe
C:\WINDOWS\SYSTEM32\ZONELABS\vsmon.exe
C:\WINDOWS\system32\wscntfy.exe
C:\Programme\ATI Technologies\ATI.ACE\cli.exe
C:\Programme\ATI Technologies\ATI.ACE\cli.exe
C:\Programme\Internet Explorer\iexplore.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\Programme\HijackThis\Hijackthis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://w**.utanet.at/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = h**p://google.icq.com/search/search_frame.php
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = h**p://google.icq.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = w**.winantivirus.co.uk
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = h**p://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = h**p://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = h**p://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = h**p://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer von LIWES* Kabelmedien GmbH
R3 - URLSearchHook: ICQ Toolbar - {855F3B16-6D32-4fe6-8A56-BBB695989046} - C:\Programme\ICQToolbar\toolbaru.dll
O2 - BHO: XTTBPos00 - {055FD26D-3A88-4e15-963D-DC8493744B1D} - C:\Programme\ICQToolbar\toolbaru.dll
O2 - BHO: Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programme\Gemeinsame Dateien\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Programme\Java\jre1.6.0_02\bin\ssv.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\programme\google\googletoolbar1.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\programme\google\googletoolbar1.dll
O3 - Toolbar: ICQ Toolbar - {855F3B16-6D32-4fe6-8A56-BBB695989046} - C:\Programme\ICQToolbar\toolbaru.dll
O4 - HKLM\..\Run: [ATICCC] "C:\Programme\ATI Technologies\ATI.ACE\cli.exe" runtime -Delay
O4 - HKLM\..\Run: [avgnt] "C:\Programme\Avira\AntiVir PersonalEdition Classic\avgnt.exe" /min
O4 - HKLM\..\Run: [ICQ Lite] "C:\Programme\ICQLite\ICQLite.exe" -minimize
O4 - HKLM\..\Run: [Zone Labs Client] C:\Programme\Zone Labs\ZoneAlarm\zlclient.exe
O4 - HKLM\..\Run: [POINTER] point32.exe
O4 - HKLM\..\Run: [VirusProtect 3.8] "C:\Programme\VirusProtect 3.8\VirusProtect 3.8.exe" /h
O4 - HKLM\..\Run: [VirusProtect] C:\Programme\VirusProtect 3.8\VirusProtect 3.8.exe /h
O4 - HKLM\..\Run: [wa7pcw] "C:\Programme\Gemeinsame Dateien\WinAntiVirus Pro 2007\wa7pcw.exe" -c
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [wa7pcw] "C:\Programme\Gemeinsame Dateien\WinAntiVirus Pro 2007\wa7pcw.exe" -c
O4 - HKCU\..\RunOnce: [ICQ Lite] C:\Programme\ICQLite\ICQLite.exe -trayboot
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User 'LOKALER DIENST')
O4 - HKUS\S-1-5-19\..\Run: [Microsoft Works Update Detection] C:\Programme\Microsoft Works\WkDetect.exe (User 'LOKALER DIENST')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User 'NETZWERKDIENST')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe (User 'SYSTEM')
O4 - HKUS\S-1-5-18\..\Run: [Picasa Media Detector] C:\Programme\Picasa2\PicasaMediaDetector.exe (User 'SYSTEM')
O4 - HKUS\S-1-5-18\..\RunOnce: [tscuninstall] %systemroot%\system32\tscupgrd.exe (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe (User 'Default user')
O4 - HKUS\.DEFAULT\..\RunOnce: [tscuninstall] %systemroot%\system32\tscupgrd.exe (User 'Default user')
O4 - Global Startup: Google Updater.lnk = C:\Programme\Google\Google Updater\GoogleUpdater.exe
O4 - Global Startup: NETGEAR WG111v2 Smart Wizard.lnk = C:\Programme\NETGEAR\WG111v2\WG111v2.exe
O8 - Extra context menu item: Nach Microsoft &Excel exportieren - res://C:\PROGRA~1\MICROS~4\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programme\Java\jre1.6.0_02\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Konsole - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programme\Java\jre1.6.0_02\bin\ssv.dll
O9 - Extra button: Recherche-Assistent - {9455301C-CF6B-11D3-A266-00C04F689C50} - C:\Programme\Gemeinsame Dateien\Microsoft Shared\Reference 2001\EROProj.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: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.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
O10 - Unknown file in Winsock LSP: c:\windows\system32\nwprovau.dll
O12 - Plugin for .spop: C:\Programme\Internet Explorer\Plugins\NPDocBox.dll
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - h**p://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {54823A9D-6BAE-11D5-B519-0050BA2413EB} (ChkDVDCtl Class) - http://www.cyberlink.com/winxp/CheckDVD.cab
O23 - Service: 0190/0900 Warner Überwachungsdienst (0190_0900_Warner_MonitorService) - Mirko Böer - C:\PROGRA~1\0190WA~1\w0svc.exe
O23 - Service: Ad-Aware 2007 Service (aawservice) - Lavasoft AB - C:\Programme\Lavasoft\Ad-Aware 2007\aawservice.exe
O23 - Service: AntiVir PersonalEdition Classic Planer (AntiVirScheduler) - Avira GmbH - C:\Programme\Avira\AntiVir PersonalEdition Classic\sched.exe
O23 - Service: AntiVir PersonalEdition Classic Guard (AntiVirService) - Avira GmbH - C:\Programme\Avira\AntiVir PersonalEdition Classic\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: Google Updater Service (gusvc) - Google - C:\Programme\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Programme\Gemeinsame Dateien\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: NT Net Driver (NtNav) (NtNav) - Unknown owner - C:\WINDOWS\system32\netnav.exe (file missing)
O23 - Service: PC Tools Auxiliary Service (sdAuxService) - Unknown owner - C:\Programme\Spyware Doctor\svcntaux.exe (file missing)
O23 - Service: PC Tools Security Service (sdCoreService) - Unknown owner - C:\Programme\Spyware Doctor\swdsvc.exe (file missing)
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINDOWS\SYSTEM32\ZONELABS\vsmon.exe

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End of file - 8368 bytes

LG Crusader