Trojaner-Board - Wer weis Rat zu "Isass.exe" Fehlermeldung im Internet

Hallo Expert
hier das logfile:
Logfile of HijackThis v1.99.1
Scan saved at 21:02:38, on 06.11.2005
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\system32\spoolsv.exe
C:\PROGRAMME\AVPERSONAL\AVGUARD.EXE
C:\Programme\AntiVirenKit InternetSecurity\AVK\AVKService.exe
C:\Programme\AntiVirenKit InternetSecurity\AVK\AVKWCtl.exe
C:\Programme\AVPersonal\AVWUPSRV.EXE
C:\WINDOWS\System32\drivers\CDAC11BA.EXE
C:\WINDOWS\System32\CTSvcCDA.EXE
C:\Programme\Norton SystemWorks\Norton GoBack\GBPoll.exe
C:\PROGRA~1\NORTON~1\NORTON~4\GHOSTS~2.EXE
C:\Programme\Gemeinsame Dateien\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\PROGRA~1\NORTON~1\NORTON~2\NPROTECT.EXE
C:\WINDOWS\system32\pctspk.exe
C:\PROGRA~1\NORTON~1\NORTON~2\SPEEDD~1\NOPDB.EXE
C:\WINDOWS\System32\MsPMSPSv.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\SOUNDMAN.EXE
C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb04.exe
C:\Programme\Gemeinsame Dateien\Microsoft Shared\Works Shared\WkUFind.exe
C:\Programme\Norton SystemWorks\Password Manager\AcctMgr.exe
C:\Programme\Gemeinsame Dateien\Real\Update_OB\evntsvc.exe
C:\Programme\ScanSoft\OmniPageSE\opware32.exe
C:\Programme\AVPersonal\AVGNT.EXE
C:\Programme\Gemeinsame Dateien\G DATA\AVKMail\AVKPOP.EXE
C:\WINDOWS\System32\ctfmon.exe
C:\Programme\Messenger\msmsgs.exe
C:\Programme\AntiVirenKit InternetSecurity\Firewall\kavpf.exe
C:\Programme\AntiVirenKit InternetSecurity\Webfilter\Webfilter.exe
C:\PROGRA~1\ANTIVI~1\WEBFIL~1\ADSCLE~1.EXE
C:\WINDOWS\System32\svchost.exe
C:\Programme\WinRAR\WinRAR.exe
C:\DOKUME~1\HARALD~1\LOKALE~1\Temp\Rar$EX01.782\HijackThis.exe

O2 - BHO: Poly HTML Filter BHO - {0140DF95-9128-4053-AE72-F43F0CFCA062} - C:\WINDOWS\system32\SiKernel.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programme\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: SIPAKBHO Class - {40FB69E1-9B7B-453F-B238-37D8E9528929} - C:\Programme\AntiVirenKit InternetSecurity\Webfilter\PAKIEPlugins.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\programme\google\googletoolbar1.dll
O2 - BHO: Offliner AdFilter Helper - {DC9377A2-2E8D-44A1-99DB-F8A821DF254D} - C:\WINDOWS\system32\SiPlugins.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\system32\msdxm.ocx
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\programme\google\googletoolbar1.dll
O3 - Toolbar: WebFilter-Leiste - {75CD0BC5-E317-449C-9FF6-4986B3D48F64} - C:\PROGRA~1\ANTIVI~1\WEBFIL~1\PAKIEGUI.dll
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb04.exe
O4 - HKLM\..\Run: [Microsoft Works Update Detection] C:\Programme\Gemeinsame Dateien\Microsoft Shared\Works Shared\WkUFind.exe
O4 - HKLM\..\Run: [AcctMgr] C:\Programme\Norton SystemWorks\Password Manager\AcctMgr.exe /startup
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [TkBellExe] C:\Programme\Gemeinsame Dateien\Real\Update_OB\evntsvc.exe -osboot
O4 - HKLM\..\Run: [PSDrvCheck] C:\WINDOWS\System32\PSDrvCheck.exe
O4 - HKLM\..\Run: [Omnipage] C:\Programme\ScanSoft\OmniPageSE\opware32.exe
O4 - HKLM\..\Run: [AVGCtrl] C:\Programme\AVPersonal\AVGNT.EXE /min
O4 - HKLM\..\Run: [AVK Mail Checker] "C:\Programme\Gemeinsame Dateien\G DATA\AVKMail\AVKPOP.EXE"
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Programme\Messenger\msmsgs.exe" /background
O4 - Global Startup: Firewall.lnk = ?
O4 - Global Startup: Norton GoBack.lnk = C:\Programme\Norton SystemWorks\Norton GoBack\GBTray.exe
O4 - Global Startup: Webfilter.lnk = C:\Programme\AntiVirenKit InternetSecurity\Webfilter\Webfilter.exe
O8 - Extra context menu item: &Google-Suche - res://C:\Programme\Google\GoogleToolbar1.dll/cmsearch.html
O8 - Extra context menu item: &Ins Deutsche übersetzen - res://C:\Programme\Google\GoogleToolbar1.dll/cmwordtrans.html
O8 - Extra context menu item: Add selected links to Link Container - C:\PROGRA~1\ANTIVI~1\WEBFIL~1\System\Scripts\off_collector_sel.htm
O8 - Extra context menu item: Im Cache gespeicherte Seite - res://C:\Programme\Google\GoogleToolbar1.dll/cmcache.html
O8 - Extra context menu item: Nach Microsoft &Excel exportieren - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: Show domain links - C:\PROGRA~1\ANTIVI~1\WEBFIL~1\System\Scripts\off_domain_links.htm
O8 - Extra context menu item: Verweisseiten - res://C:\Programme\Google\GoogleToolbar1.dll/cmbacklinks.html
O8 - Extra context menu item: Ähnliche Seiten - res://C:\Programme\Google\GoogleToolbar1.dll/cmsimilar.html
O9 - Extra button: ATI TV - {44226DFF-747E-4edc-B30C-78752E50CD0C} - C:\Programme\ATI Multimedia\TV\EXPLBAR.DLL
O9 - Extra button: Recherchieren - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O16 - DPF: {11111111-1111-1111-1111-111111113457} - file://c:\explorer.cab
O16 - DPF: {11111111-1111-1111-1111-111191113457} - file://c:\ied_s7.cab
O16 - DPF: {11111111-1111-1111-1111-511111193457} - file://c:\x.cab
O16 - DPF: {11111111-1111-1111-1111-511111193458} - file://c:\x.cab
O16 - DPF: {23232323-2323-2323-2323-232323291122} - file://c:\x.cab
O21 - SSODL: SystemCheck2 - {54645654-2225-4455-44A1-9F4543D34545} - (no file)
O23 - Service: AntiVir Service (AntiVirService) - H+BEDV Datentechnik GmbH - C:\PROGRAMME\AVPERSONAL\AVGUARD.EXE
O23 - Service: AVK Service (AVKService) - Unknown owner - C:\Programme\AntiVirenKit InternetSecurity\AVK\AVKService.exe
O23 - Service: AVK Wächter (AVKWCtl) - Unknown owner - C:\Programme\AntiVirenKit InternetSecurity\AVK\AVKWCtl.exe
O23 - Service: AntiVir Update (AVWUpSrv) - H+BEDV Datentechnik GmbH, Germany - C:\Programme\AVPersonal\AVWUPSRV.EXE
O23 - Service: C-DillaCdaC11BA - C-Dilla Ltd - C:\WINDOWS\System32\drivers\CDAC11BA.EXE
O23 - Service: Creative Service for CDROM Access - Creative Technology Ltd - C:\WINDOWS\System32\CTSvcCDA.EXE
O23 - Service: GBPoll - Symantec Corporation - C:\Programme\Norton SystemWorks\Norton GoBack\GBPoll.exe
O23 - Service: GhostStartService - Symantec Corporation - C:\PROGRA~1\NORTON~1\NORTON~4\GHOSTS~2.EXE
O23 - Service: Norton Unerase Protection (NProtectService) - Symantec Corporation - C:\PROGRA~1\NORTON~1\NORTON~2\NPROTECT.EXE
O23 - Service: PCTEL Speaker Phone (Pctspk) - PCtel, Inc. - C:\WINDOWS\system32\pctspk.exe
O23 - Service: Symantec SPBBCSvc (SPBBCSvc) - Symantec Corporation - C:\Programme\Gemeinsame Dateien\Symantec Shared\SPBBC\SPBBCSvc.exe
O23 - Service: Speed Disk service - Symantec Corporation - C:\PROGRA~1\NORTON~1\NORTON~2\SPEEDD~1\NOPDB.EXE
O23 - Service: Windows Time Sync (wservtime) - Unknown owner - C:\WINDOWS\csrss.exe (file missing)
O23 - Service: X10 Device Network Service (x10nets) - Unknown owner - C:\PROGRA~1\ATIMUL~1\RemCtrl\x10nets.exe (file missing)

Vorab schon mal besten Dank für Deine Hilfe.
Gruß Harald