Home Search Assistant

i have been fighting with HSA for 3 days now and i cant figure out how to remove it.I need help.

Logfile of HijackThis v1.98.0
Scan saved at 12:47:34 PM, on 2/07/2004
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\system32\spoolsv.exe
C:\PROGRA~1\Grisoft\AVG6\avgserv.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\mfcbr.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Analog Devices\SoundMAX\SMTray.exe
C:\PROGRA~1\Grisoft\AVG6\avgcc32.exe
C:\WINDOWS\apiue32.exe
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\Program Files\Hewlett-Packard\HP OfficeJet Series 500\Bin\HPOstr05.exe
C:\Program Files\Hewlett-Packard\HP OfficeJet Series 500\bin\HPOVDX05.EXE
C:\WINDOWS\System32\hpoipm07.exe
C:\Program Files\Lavasoft\Ad-aware 6\Ad-aware.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Documents and Settings\Administrator\Local Settings\Temp\Temporary Directory 7 for hijackthis.zip\HijackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://g.ninemsn.com.au/0SEDEAT/SAOS01
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = res://C:\WINDOWS\system32\doins.dll/sp.html#96676
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = res://doins.dll/index.html#96676
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = res://doins.dll/index.html#96676
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = res://C:\WINDOWS\system32\doins.dll/sp.html#96676
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = res://C:\WINDOWS\system32\doins.dll/sp.html#96676
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = res://doins.dll/index.html#96676
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://anna/
R3 - Default URLSearchHook is missing
F0 - system.ini: Shell=
F2 - REG:system.ini: UserInit=C:\WINDOWS\system32\userinit.exe,
O2 - BHO: (no name) - {81ECDBCA-1DE3-27FD-325A-F6E0C0C236CF} - C:\WINDOWS\system32\sysei32.dll
O4 - HKLM\..\Run: [Smapp] C:\Program Files\Analog Devices\SoundMAX\SMTray.exe
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [AVG_CC] C:\PROGRA~1\Grisoft\AVG6\avgcc32.exe /STARTUP
O4 - HKLM\..\Run: [apiue32.exe] C:\WINDOWS\apiue32.exe
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - Global Startup: HP OfficeJet Series 500 Startup.lnk = C:\Program Files\Hewlett-Packard\HP OfficeJet Series 500\Bin\HPOstr05.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE
O9 - Extra 'Tools' menuitem: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE


Can some one please help