What is this BHO

[fh]

Logfile of HijackThis v1.99.1
Scan saved at 6:35:42 PM, on 2/1/2006
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\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:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
C:\WINDOWS\system32\wuauclt.exe
C:\WINDOWS\system32\svchost.exe
C:\Downloads\HJT\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://forums.thedieselstop.com/ubbthre ... s.php?Cat=
O2 - BHO: (no name) - {D2B4826F-8417-BA3B-EB85-58BC0D6D86BF} - (no file)
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204

[liljim]

[fh]

[Gecko]

If the O2 - BHO: (no name) - {D2B4826F-8417-BA3B-EB85-58BC0D6D86BF} - (no file)
Keeps coming back after you fix it with HJT then most likely you have spyware, malware, a trojan on your system.

[Un4g1v3n]

Try doing a scan on your computer with Spybot S&D.

Here's the link for the program:

http://www.safer-networking.org/en/mirrors/index.html

Pick a mirror, download, scan, fix. You should install this and than try scan and fix in Safe Mode.