Browser Hijacking HELP!!!!!!!!!!!!!!

Have a computer at work that got hijacked by about:blank. Here is the hijack this file. Help please.

Logfile of HijackThis v1.99.0
Scan saved at 11:49:56 AM, on 1/14/2005
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:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
C:\WINDOWS\Mixer.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\NoAds\NoAds.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Lavasoft\Ad-Aware SE Personal\Ad-Aware.exe
C:\Program Files\Spybot - Search & Destroy\SpybotSD.exe
C:\Documents and Settings\Bernie Gerring\Desktop\New Folder\HijackThis.exe

O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe /STARTUP
O4 - HKLM\..\Run: [AVG7_EMC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
O4 - HKCU\..\Run: [NoAds] "C:\Program Files\NoAds\NoAds.exe"
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O23 - Service: AVG7 Alert Manager Server - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
O23 - Service: AVG7 Update Service - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe