homepage hi-jacked about:blank

Logfile of HijackThis v1.97.7
Scan saved at 9:38:48 AM, on 6/25/2004
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:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
C:\WINDOWS\system32\gearsec.exe
C:\Program Files\Norton AntiVirus\navapsvc.exe
C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe
C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
C:\Program Files\Norton AntiVirus\SAVScan.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\HJT\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = file://C:\DOCUME~1\WILLIA~1\LOCALS~1\Temp\sp.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = file://C:\DOCUME~1\WILLIA~1\LOCALS~1\Temp\sp.html
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = about:blank
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = file://C:\DOCUME~1\WILLIA~1\LOCALS~1\Temp\sp.html
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = about:blank
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = file://C:\DOCUME~1\WILLIA~1\LOCALS~1\Temp\sp.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = file://C:\DOCUME~1\WILLIA~1\LOCALS~1\Temp\sp.html
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = file://C:\DOCUME~1\WILLIA~1\LOCALS~1\Temp\sp.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,HomeOldSP = about:blank
O2 - BHO: (no name) - {500BD117-D4B2-45BF-9719-05579EB42721} - C:\WINDOWS\System32\knman.dll
O9 - Extra button: Related (HKLM)
O9 - Extra 'Tools' menuitem: Show &Related Links (HKLM)
O16 - DPF: {166B1BCA-3F9C-11CF-8075-444553540000} (Shockwave ActiveX Control) - URL
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - URL

Here is how to read the hijackthis logfile .
Compare it with yours .
http://homepage.ntlworld.com/dvk01uk/tutorial.htm
http://www.spywareinfo.com/~merijn/htlogtutorial.html
http://www.help2go.com/article153.html
http://hjt.wizardsofwebsites.com/
http://www.spywareinfo.com/bhos/
http://www.spychecker.com/program/bholist.html
http://www.spywareinfo.com/~merijn/htlogtutorial.html#r
http://www.computercops.biz/postt6393.html
http://www.google.com/search?q=spyware+list
Beginners Guides: Browser Hijacking & How to Stop It
http://www.pcstats.com/articleview.cfm?articleID=1579

Please follow these instructions carefully!

Download and install APM from: http://www.diamondcs.com.au/index.php?page=apm

Close all windows except HijackThis and fix these lines.

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = file://C:\DOCUME~1\WILLIA~1\LOCALS~1\Temp\sp.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = file://C:\DOCUME~1\WILLIA~1\LOCALS~1\Temp\sp.html
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = about:blank
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = file://C:\DOCUME~1\WILLIA~1\LOCALS~1\Temp\sp.html
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = about:blank
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = file://C:\DOCUME~1\WILLIA~1\LOCALS~1\Temp\sp.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = file://C:\DOCUME~1\WILLIA~1\LOCALS~1\Temp\sp.html
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = file://C:\DOCUME~1\WILLIA~1\LOCALS~1\Temp\sp.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,HomeOldSP = about:blank
O2 - BHO: (no name) - {500BD117-D4B2-45BF-9719-05579EB42721} - C:\WINDOWS\System32\knman.dll

Then start APM.
In the upper window select explorer.exe
In the lower window find and rightclick the BHO from the HijackThis log (should be O2 - BHO: (no name) - {500BD117-D4B2-45BF-9719-05579EB42721} - C:\WINDOWS\System32\knman.dll)
Select Unload DLL and click OK on the prompts that follow.

Reboot and scan with AdAware (update adaware first!) to remove the txt and html protocol association.

Reboot again and post a fresh HijackThis log.

Tom