problem with permanently adding www. and .com [Hijack-Log]

Logfile of HijackThis v1.97.7
Scan saved at 17:00:54, on 29.04.2004
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\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Programme\NetLimiter\NetLimiter.exe
C:\Programme\D-Tools\daemon.exe
C:\Programme\Acronis\TrueImage\TrueImageMonitor.exe
C:\Programme\SlySoft\AnyDVD\AnyDVD.exe
C:\Programme\Gemeinsame Dateien\Acronis\Schedule2\schedhlp.exe
C:\Programme\Gemeinsame Dateien\Acronis\Schedule2\schedul2.exe
C:\PROGRA~1\SYMANT~1\SYMANT~1\DefWatch.exe
C:\Programme\Gemeinsame Dateien\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINDOWS\System32\svchost.exe
C:\Programme\Gemeinsame Dateien\Ulead Systems\DVD\ULCDRSvr.exe
C:\Programme\Outlook Express\msimn.exe
C:\Programme\Mozilla Firefox\firefox.exe
C:\Dokumente und Einstellungen\Alex\Desktop\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.orf.at/
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = proxy.vol.at
O2 - BHO: (no name) - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programme\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\programme\google\googletoolbar3.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\programme\google\googletoolbar3.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: (no name) - {BA52B914-B692-46c4-B683-905236F6F655} - (no file)
O4 - HKLM\..\Run: [UpdReg] C:\WINDOWS\UpdReg.EXE
O4 - HKLM\..\Run: [NetLimiter] C:\Programme\NetLimiter\NetLimiter.exe /s
O4 - HKLM\..\Run: [DAEMON Tools-1033] "C:\Programme\D-Tools\daemon.exe" -lang 1033
O4 - HKLM\..\Run: [AnyDVD] "C:\Programme\SlySoft\AnyDVD\AnyDVD.exe"
O4 - HKLM\..\Run: [Acronis True Image Monitor] C:\Programme\Acronis\TrueImage\TrueImageMonitor.exe
O4 - HKLM\..\Run: [Acronis Scheduler2 Service] C:\Programme\Gemeinsame Dateien\Acronis\Schedule2\schedhlp.exe
O8 - Extra context menu item: &Google Search - res://c:\programme\google\GoogleToolbar3.dll/cmsearch.html
O8 - Extra context menu item: Backward &Links - res://c:\programme\google\GoogleToolbar3.dll/cmbacklinks.html
O8 - Extra context menu item: Cac&hed Snapshot of Page - res://c:\programme\google\GoogleToolbar3.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: Si&milar Pages - res://c:\programme\google\GoogleToolbar3.dll/cmsimilar.html
O9 - Extra button: ICQ Pro (HKLM)
O9 - Extra 'Tools' menuitem: ICQ (HKLM)
O9 - Extra button: Recherchieren (HKLM)
O10 - Broken Internet access because of LSP provider 'avsda.dll' missing
O17 - HKLM\System\CCS\Services\Tcpip\..\{4713F72E-A804-4151-AA30-3C75AB33978D}: NameServer = 192.168.1.1