smss.exe macht probleme, bitte um hilfe !

Logfile of HijackThis v1.99.1
Scan saved at 12:44:20, on 03.03.2008
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\csrss.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\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
c:\windows\tasks\update.exe
C:\Programme\Avira\AntiVir PersonalEdition Classic\avguard.exe
C:\WINDOWS\system32\RunDll32.exe
C:\WINDOWS\system32\rundll32.exe
C:\Programme\Gemeinsame Dateien\Symantec Shared\PIF\{B8E1DD85-8582-4c61-B58F-2F227FCA9A08}\PifSvc.exe
C:\Programme\Avira\AntiVir PersonalEdition Classic\avgnt.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programme\DAEMON Tools\daemon.exe
C:\Programme\Microsoft SQL Server\80\Tools\Binn\sqlmangr.exe
C:\Programme\Gemeinsame Dateien\Symantec Shared\PIF\{B8E1DD85-8582-4c61-B58F-2F227FCA9A08}\PifSvc.exe
C:\Programme\Microsoft SQL Server\MSSQL\Binn\sqlservr.exe
C:\Programme\Nero\Nero8\Nero BackItUp\NBService.exe
C:\WINDOWS\System32\alg.exe
C:\WINDOWS\system32\wscntfy.exe
C:\WINDOWS\explorer.exe
C:\Programme\Winamp\winamp.exe
C:\Programme\Internet Explorer\IEXPLORE.EXE
C:\Dokumente und Einstellungen\Christian und Verena\Desktop\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.de/
O4 - HKLM\..\Run: [Cmaudio] RunDll32 cmicnfg.cpl,CMICtrlWnd
O4 - HKLM\..\Run: [546d5d2a] rundll32.exe "C:\WINDOWS\system32\ctunrbum.dll",b
O4 - HKLM\..\Run: [Symantec PIF AlertEng] "C:\Programme\Gemeinsame Dateien\Symantec Shared\PIF\{B8E1DD85-8582-4c61-B58F-2F227FCA9A08}\PifSvc.exe" /a /m "C:\Programme\Gemeinsame Dateien\Symantec Shared\PIF\{B8E1DD85-8582-4c61-B58F-2F227FCA9A08}\AlertEng.dll"
O4 - HKLM\..\Run: [avgnt] "C:\Programme\Avira\AntiVir PersonalEdition Classic\avgnt.exe" /min
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [DAEMON Tools] "C:\Programme\DAEMON Tools\daemon.exe" -lang 1033
O4 - Global Startup: Service Manager.lnk = C:\Programme\Microsoft SQL Server\80\Tools\Binn\sqlmangr.exe
O9 - Extra button: ICQ6 - {E59EB121-F339-4851-A3BA-FE49C35617C2} - C:\Programme\ICQ6\ICQ.exe
O9 - Extra 'Tools' menuitem: ICQ6 - {E59EB121-F339-4851-A3BA-FE49C35617C2} - C:\Programme\ICQ6\ICQ.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
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\WINDOW~4\MESSEN~1\MSGRAP~1.DLL
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\WINDOW~4\MESSEN~1\MSGRAP~1.DLL
O21 - SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - C:\WINDOWS\system32\WPDShServiceObj.dll
O21 - SSODL: WinApp - {C285CF22-115F-3252-41AC-F686D912C63D} - C:\WINDOWS\system32\clipuser32.dll
O23 - Service: AntiVir PersonalEdition Classic Guard (AntiVirService) - Avira GmbH - C:\Programme\Avira\AntiVir PersonalEdition Classic\avguard.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Programme\Gemeinsame Dateien\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: LiveUpdate Notice Service - Unknown owner - C:\Programme\Gemeinsame Dateien\Symantec Shared\PIF\{B8E1DD85-8582-4c61-B58F-2F227FCA9A08}\PifSvc.exe" /m PifEng.dll (file missing)
O23 - Service: Nero BackItUp Scheduler 3 - Nero AG - C:\Programme\Nero\Nero8\Nero BackItUp\NBService.exe
O23 - Service: NMIndexingService - Nero AG - C:\Programme\Gemeinsame Dateien\Nero\Lib\NMIndexingService.exe
O23 - Service: PnkBstrA - Unknown owner - C:\WINDOWS\system32\PnkBstrA.exe (file missing)
O23 - Service: TuneUp Drive Defrag-Dienst (TuneUp.Defrag) - TuneUp Software GmbH - C:\WINDOWS\System32\TuneUpDefragService.exe