i have been unable to get rid of the about.blank browser hijacker.
i have just finished a full scan with both Ad-Aware and Spybot - Search & Destroy.
here is my HijackThis Log
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Logfile of HijackThis v1.99.1
Scan saved at 4:54:16 PM, on 2/23/2005
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
C:\Program Files\Norton Personal Firewall\NISUM.EXE
C:\Program Files\Norton Personal Firewall\ccPxySvc.exe
C:\WINDOWS\System32\CTsvcCDA.exe
C:\Program Files\Norton AntiVirus\navapsvc.exe
C:\Program Files\Norton AntiVirus\AdvTools\NPROTECT.EXE
C:\WINDOWS\System32\MsPMSPSv.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\System32\CTHELPER.EXE
C:\Program Files\Common Files\Symantec Shared\ccApp.exe
C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb0 7.exe
C:\Program Files\Microsoft IntelliPoint\point32.exe
C:\Program Files\QuickTime\qttask.exe
C:\WINDOWS\netcd32.exe
C:\Program Files\SEC\Natural Color\NaturalColorLoad.exe
C:\Program Files\WinZip\WZQKPICK.EXE
C:\Program Files\SpyCatcher\Scheduler daemon.exe
C:\Program Files\SpyCatcher\Protector.exe
C:\WINDOWS\apimg32.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:\Program Files\Messenger\msmsgs.exe
I:\About Blank Removal\hijackthis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = www.google.com
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = res://C:\WINDOWS\system32\ybcdo.dll/sp.html#28129
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = www.google.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = www.google.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = about:blank
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = res://C:\WINDOWS\system32\ybcdo.dll/sp.html#28129
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = res://C:\WINDOWS\system32\ybcdo.dll/sp.html#28129
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = res://C:\WINDOWS\system32\ybcdo.dll/sp.html#28129
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = res://C:\WINDOWS\system32\ybcdo.dll/sp.html#28129
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = res://C:\WINDOWS\system32\ybcdo.dll/sp.html#28129
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page = www.google.com
R3 - Default URLSearchHook is missing
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: (no name) - {9149118E-88BB-CD35-4317-18A3EAE5881B} - C:\WINDOWS\appti.dll
O2 - BHO: CNavExtBho Class - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [WINDVDPatch] CTHELPER.EXE
O4 - HKLM\..\Run: [Jet Detection] "C:\Program Files\Creative\SBLive\PROGRAM\ADGJDet.exe"
O4 - HKLM\..\Run: [CTStartup] C:\Program Files\Creative\Splash Screen\CTEaxSpl.EXE /run
O4 - HKLM\..\Run: [NeroCheck] C:\WINDOWS\System32\\NeroCheck.exe
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [ccRegVfy] "C:\Program Files\Common Files\Symantec Shared\ccRegVfy.exe"
O4 - HKLM\..\Run: [AtiPTA] atiptaxx.exe
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb0 7.exe
O4 - HKLM\..\Run: [Advanced Tools Check] C:\PROGRA~1\NORTON~2\AdvTools\ADVCHK.EXE
O4 - HKLM\..\Run: [IntelliPoint] "C:\Program Files\Microsoft IntelliPoint\point32.exe"
O4 - HKLM\..\Run: [transenkontaktanzeigen.de] H:\WINDOWS\Dialer\sdialer.exe !m !m ln=WMP200000001651} sl=00000006_00000198} dn=transenkontaktanzeigen.de} sn=DialIn} tu=http://www.transenkontaktanzeigen.de/mitglieder/} sk=1} nu=1}
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe
O4 - HKLM\..\Run: [SSC_UserPrompt] C:\Program Files\Common Files\Symantec Shared\Security Center\UsrPrmpt.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [netcd32.exe] C:\WINDOWS\netcd32.exe
O4 - HKLM\..\Run: [GhostSurfDelSatellite] "C:\Program Files\SpyCatcher\DeleteSatellite.exe"
O4 - HKLM\..\RunOnce: [GhostSurfDelSatellite] "C:\Program Files\SpyCatcher\DeleteSatellite.exe" nowait
O4 - HKLM\..\RunOnce: [apimg32.exe] C:\WINDOWS\apimg32.exe
O4 - HKCU\..\Run: [Weather] C:\PROGRA~1\AWS\WEATHE~1\Weather.EXE 1
O4 - Startup: PowerReg Scheduler V3.exe
O4 - Startup: Protector.lnk = C:\Program Files\SpyCatcher\Protector.exe
O4 - Startup: Scheduler.lnk = C:\Program Files\SpyCatcher\Scheduler daemon.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: NaturalColorLoad.lnk = ?
O4 - Global Startup: WinZip Quick Pick.lnk = C:\Program Files\WinZip\WZQKPICK.EXE
O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O15 - Trusted Zone: *.frame.crazywinnings.com
O15 - Trusted Zone: *.awmdabest.com (HKLM)
O15 - Trusted Zone: *.frame.crazywinnings.com (HKLM)
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?link...38&clcid=0x409
O16 - DPF: {39B0684F-D7BF-4743-B050-FDC3F48F7E3B} (FilePlanet Download Control Class) - http://www.fileplanet.com/fpdlmgr/ca...C_1_0_0_44.cab
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (ZoneIntro Class) - http://zone.msn.com/binFramework/v10...o.cab32846.cab
O16 - DPF: {DF780F87-FF2B-4DF8-92D0-73DB16A1543A} (PopCapLoader Object) - http://www.popcap.com/games/popcaploader_v6.cab
O16 - DPF: {F04A8AE2-A59D-11D2-8792-00C04F8EF29D} (Hotmail Attachments Control) - http://by2fd.bay2.hotmail.msn.com/activex/HMAtchmt.ocx
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\System32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Password Validation Service (ccPwdSvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccPwdSvc.exe
O23 - Service: Symantec Proxy Service (ccPxySvc) - Symantec Corporation - C:\Program Files\Norton Personal Firewall\ccPxySvc.exe
O23 - Service: Creative Service for CDROM Access - Creative Technology Ltd - C:\WINDOWS\System32\CTsvcCDA.exe
O23 - Service: Norton AntiVirus Auto Protect Service (navapsvc) - Symantec Corporation - C:\Program Files\Norton AntiVirus\navapsvc.exe
O23 - Service: Norton Personal Firewall Accounts Manager (NISUM) - Symantec Corporation - C:\Program Files\Norton Personal Firewall\NISUM.EXE
O23 - Service: Norton Unerase Protection (NProtectService) - Symantec Corporation - C:\Program Files\Norton AntiVirus\AdvTools\NPROTECT.EXE
O23 - Service: RadClock - Unknown owner - C:\WINDOWS\system32\RadClock.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\COMMON~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\Security Center\SymWSC.exe
O23 - Service: Remote Procedure Call (RPC) Helper (�%AF夶À¨) - Unknown owner - C:\WINDOWS\d3wb32.exe (file missing)

Sorry about the response time, I'm going to need a fresh log if you still require help.

new log scanned a few mins ago

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Logfile of HijackThis v1.99.1
Scan saved at 3:36:45 AM, on 3/1/2005
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
C:\Program Files\Norton Personal Firewall\NISUM.EXE
C:\Program Files\Norton Personal Firewall\ccPxySvc.exe
C:\WINDOWS\System32\CTsvcCDA.exe
C:\Program Files\Norton AntiVirus\navapsvc.exe
C:\Program Files\Norton AntiVirus\AdvTools\NPROTECT.EXE
C:\WINDOWS\System32\MsPMSPSv.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\System32\CTHELPER.EXE
C:\Program Files\Common Files\Symantec Shared\ccApp.exe
C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb0 7.exe
C:\Program Files\Microsoft IntelliPoint\point32.exe
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\SpyCatcher\DeleteSatellite.exe
C:\Program Files\Microsoft AntiSpyware\gcasServ.exe
C:\Program Files\SEC\Natural Color\NaturalColorLoad.exe
C:\Program Files\WinZip\WZQKPICK.EXE
C:\Program Files\SpyCatcher\Protector.exe
C:\Program Files\SpyCatcher\Scheduler daemon.exe
C:\Program Files\Microsoft AntiSpyware\gcasDtServ.exe
C:\Program Files\Messenger\msmsgs.exe
I:\About Blank Removal\hijackthis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = www.google.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = www.google.com
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = www.google.com
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = www.google.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page = www.google.com
R3 - Default URLSearchHook is missing
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: CNavExtBho Class - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [WINDVDPatch] CTHELPER.EXE
O4 - HKLM\..\Run: [Jet Detection] "C:\Program Files\Creative\SBLive\PROGRAM\ADGJDet.exe"
O4 - HKLM\..\Run: [CTStartup] C:\Program Files\Creative\Splash Screen\CTEaxSpl.EXE /run
O4 - HKLM\..\Run: [NeroCheck] C:\WINDOWS\System32\\NeroCheck.exe
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [ccRegVfy] "C:\Program Files\Common Files\Symantec Shared\ccRegVfy.exe"
O4 - HKLM\..\Run: [AtiPTA] atiptaxx.exe
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb0 7.exe
O4 - HKLM\..\Run: [Advanced Tools Check] C:\PROGRA~1\NORTON~2\AdvTools\ADVCHK.EXE
O4 - HKLM\..\Run: [IntelliPoint] "C:\Program Files\Microsoft IntelliPoint\point32.exe"
O4 - HKLM\..\Run: [transenkontaktanzeigen.de] H:\WINDOWS\Dialer\sdialer.exe !m !m !m !m !m ln=WMP200000001651} sl=00000006_00000198} dn=transenkontaktanzeigen.de} sn=DialIn} tu=http://www.transenkontaktanzeigen.de/mitglieder/} sk=1} nu=1}
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe
O4 - HKLM\..\Run: [SSC_UserPrompt] C:\Program Files\Common Files\Symantec Shared\Security Center\UsrPrmpt.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [GhostSurfDelSatellite] "C:\Program Files\SpyCatcher\DeleteSatellite.exe"
O4 - HKLM\..\Run: [transenkontaktanzeigen.de(1)] H:\WINDOWS\Dialer\sdialer.exe !m !m !m !m !m !m ln=WMP200000001651} sl=00000006_00000198} dn=transenkontaktanzeigen.de} sn=DialIn} tu=http://www.transenkontaktanzeigen.de/mitglieder/} sk=1} nu=1}
O4 - HKLM\..\Run: [gcasServ] "C:\Program Files\Microsoft AntiSpyware\gcasServ.exe"
O4 - HKLM\..\RunOnce: [GhostSurfDelSatellite] "C:\Program Files\SpyCatcher\DeleteSatellite.exe" nowait
O4 - Startup: Protector.lnk = C:\Program Files\SpyCatcher\Protector.exe
O4 - Startup: Scheduler.lnk = C:\Program Files\SpyCatcher\Scheduler daemon.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: NaturalColorLoad.lnk = ?
O4 - Global Startup: WinZip Quick Pick.lnk = C:\Program Files\WinZip\WZQKPICK.EXE
O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O15 - Trusted Zone: *.awmdabest.com (HKLM)
O15 - Trusted Zone: *.frame.crazywinnings.com (HKLM)
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?link...67&clcid=0x409
O16 - DPF: {39B0684F-D7BF-4743-B050-FDC3F48F7E3B} (FilePlanet Download Control Class) - http://www.fileplanet.com/fpdlmgr/ca...C_1_0_0_44.cab
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (ZoneIntro Class) - http://zone.msn.com/binFramework/v10...o.cab32846.cab
O16 - DPF: {DF780F87-FF2B-4DF8-92D0-73DB16A1543A} (PopCapLoader Object) - http://www.popcap.com/games/popcaploader_v6.cab
O16 - DPF: {F04A8AE2-A59D-11D2-8792-00C04F8EF29D} (Hotmail Attachments Control) - http://by2fd.bay2.hotmail.msn.com/activex/HMAtchmt.ocx
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\System32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Password Validation Service (ccPwdSvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccPwdSvc.exe
O23 - Service: Symantec Proxy Service (ccPxySvc) - Symantec Corporation - C:\Program Files\Norton Personal Firewall\ccPxySvc.exe
O23 - Service: Creative Service for CDROM Access - Creative Technology Ltd - C:\WINDOWS\System32\CTsvcCDA.exe
O23 - Service: Norton AntiVirus Auto Protect Service (navapsvc) - Symantec Corporation - C:\Program Files\Norton AntiVirus\navapsvc.exe
O23 - Service: Norton Personal Firewall Accounts Manager (NISUM) - Symantec Corporation - C:\Program Files\Norton Personal Firewall\NISUM.EXE
O23 - Service: Norton Unerase Protection (NProtectService) - Symantec Corporation - C:\Program Files\Norton AntiVirus\AdvTools\NPROTECT.EXE
O23 - Service: RadClock - Unknown owner - C:\WINDOWS\system32\RadClock.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\COMMON~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\Security Center\SymWSC.exe
O23 - Service: Remote Procedure Call (RPC) Helper (�%AF夶À¨) - Unknown owner - C:\WINDOWS\d3wb32.exe (file missing)



thanks for the reply =)