Vermutlich Trojaner auf dem Rechner! Kann einer Helfen?

Logfile of HijackThis v1.99.1
Scan saved at 11:23:01, on 25.01.2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16574)

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\csrss.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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Programme\AntiVir PersonalEdition Classic\avguard.exe
C:\Programme\AntiVir PersonalEdition Classic\sched.exe
C:\Programme\Gemeinsame Dateien\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINDOWS\System32\tcpsvcs.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\wdfmgr.exe
C:\WINDOWS\system32\WgaTray.exe
C:\WINDOWS\System32\alg.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\AGRSMMSG.exe
C:\Programme\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Programme\Synaptics\SynTP\SynTPLpr.exe
C:\Programme\Synaptics\SynTP\SynTPEnh.exe
C:\PROGRA~1\LAUNCH~1\CPLBCL53.EXE
C:\Programme\ICQLite\ICQLite.exe
C:\Programme\ltmoh\Ltmoh.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programme\Yahoo!\Messenger\ymsgr_tray.exe
C:\Programme\AntiVir PersonalEdition Classic\avgnt.exe
C:\Programme\Internet Explorer\iexplore.exe
C:\Programme\Microsoft Office\OFFICE11\OUTLOOK.EXE
C:\Programme\Microsoft Office\OFFICE11\WINWORD.EXE
C:\WINDOWS\msagent\AgentSvr.exe
C:\Programme\Internet Explorer\iexplore.exe
C:\Programme\Trojancheck 6\tc6.exe
C:\Programme\Trojancheck 6\tcguard.exe
C:\Programme\Internet Explorer\iexplore.exe
C:\Programme\Internet Explorer\iexplore.exe
C:\Programme\MSN Messenger\msnmsgr.exe
C:\Programme\MSN Messenger\usnsvc.exe
C:\Programme\Hijackthis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.de/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programme\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O4 - HKLM\..\Run: [AGRSMMSG] AGRSMMSG.exe
O4 - HKLM\..\Run: [ATIModeChange] Ati2mdxx.exe
O4 - HKLM\..\Run: [ATIPTA] "C:\Programme\ATI Technologies\ATI Control Panel\atiptaxx.exe"
O4 - HKLM\..\Run: [SynTPLpr] C:\Programme\Synaptics\SynTP\SynTPLpr.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Programme\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [LManager] C:\PROGRA~1\LAUNCH~1\CPLBCL53.EXE
O4 - HKLM\..\Run: [WinDSL MTU-Adjust] WinDSL_MTU.exe
O4 - HKLM\..\Run: [LtMoh] C:\Programme\ltmoh\Ltmoh.exe
O4 - HKLM\..\Run: [avgnt] "C:\Programme\AntiVir PersonalEdition Classic\avgnt.exe" /min
O4 - HKLM\..\Run: [Trojancheck 6 Guard] C:\Programme\Trojancheck 6\tcguard.exe
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Yahoo! Pager] "C:\Programme\Yahoo!\Messenger\YahooMessenger.exe" -quiet
O4 - Startup: Verknüpfung mit taskmgr.lnk = C:\WINDOWS\ServicePackFiles\i386\taskmgr.exe
O4 - Global Startup: AntiVir PersonalEdition Classic starten (2).lnk = C:\Programme\AntiVir PersonalEdition Classic\avcenter.exe
O8 - Extra context menu item: Nach Microsoft &Excel exportieren - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: Recherchieren - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.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} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
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
O11 - Options group: [INTERNATIONAL] International*
O14 - IERESET.INF: START_PAGE_URL=http://www.internetcologne.de
O16 - DPF: {59136DB4-6CA3-4B40-8F2F-BBF84B6F1E91} (Attachment Upload Control) - https://stream.web.de/mail/activex/mail_upload_11213.cab
O16 - DPF: {96512D57-F751-4088-A689-5778FCC77F7A} (Photo Uploader Control) - http://www.studivz.net/lib/photouploader/PhotoUploader.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/MsnMessengerSetupDownloader.cab
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O20 - Winlogon Notify: Sebring - C:\WINDOWS\system32\LgNotify.dll
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\SYSTEM32\WgaLogon.dll
O23 - Service: AntiVir PersonalEdition Classic Planer (AntiVirScheduler) - Avira GmbH - C:\Programme\AntiVir PersonalEdition Classic\sched.exe
O23 - Service: AntiVir PersonalEdition Classic Guard (AntiVirService) - Avira GmbH - C:\Programme\AntiVir PersonalEdition Classic\avguard.exe
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: Autodesk - Macrovision Corporation - C:\Programme\Autodesk Network License Manager\Network License Authorization\deu\Lmgrd.exe
O23 - Service: Symantec Lic NetConnect service (CLTNetCnService) - Unknown owner - C:\Programme\Gemeinsame Dateien\Symantec Shared\ccSvcHst.exe" /h ccCommon (file missing)
O23 - Service: Spectrum24 Event Monitor (S24EventMonitor) - Unknown owner - C:\WINDOWS\system32\S24EvMon.exe (file missing)
O23 - Service: ServiceLayer - Nokia. - C:\Programme\PC Connectivity Solution\ServiceLayer.exe