home search assistant/only the best - I NEED HELP GETTING RID OF THESE!

I've tried everything to get rid of these, ad-aware, spybot s&d, etc. I don't know what to do. I really don't know anything. Please help! Here's my HijackThis log thing:

Logfile of HijackThis v1.97.7
Scan saved at 9:05:15 PM, on 6/20/2004
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:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\iesj.exe
C:\Program Files\NavNT\defwatch.exe
C:\Program Files\Common Files\Microsoft Shared\VS7Debug\mdm.exe
C:\Program Files\NavNT\rtvscan.exe
C:\WINDOWS\system32\ieiz.exe
C:\WINDOWS\System32\MsgSys.EXE
C:\Program Files\AIM\aim.exe
C:\Documents and Settings\Brad\My Documents\My Downloads\toolbarcop.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Documents and Settings\Brad\Desktop\HijackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = res://C:\WINDOWS\system32\fwpiw.dll/sp.html#96676
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = res://fwpiw.dll/index.html#96676
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = res://fwpiw.dll/index.html#96676
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = res://C:\WINDOWS\system32\fwpiw.dll/sp.html#96676
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = res://fwpiw.dll/index.html#96676
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = res://C:\WINDOWS\system32\fwpiw.dll/sp.html#96676
O2 - BHO: (no name) - {9B248F4A-0E2F-E6AC-4C93-30FA3E8832F5} - C:\WINDOWS\system32\sysat.dll
O4 - HKLM\..\Run: [iesj.exe] C:\WINDOWS\system32\iesj.exe
O4 - HKLM\..\RunOnce: [SpybotSnD] "C:\Program Files\Spybot - Search & Destroy\SpybotSD.exe" /autocheck
O16 - DPF: {9F1C11AA-197B-4942-BA54-47A8489BB47F} (Update Class) - http://v4.windowsupdate.microsoft.com/CAB/x86/unicode/iuctl.CAB?38158.8452777778