IE homepage hijacked

Help please IE homepage is hijacked but firefox is fine. I have run several tool scans ,upgraded to sp2 and IE 7 but problems still exists , can someone help..pleeeeese

Logfile of HijackThis v1.99.1
Scan saved at 6:11:23 p.m., on 26/10/2006
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.5730.0011)

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:\Program Files\TGTSoft\StyleXP\StyleXPService.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Intel\Intel Application Accelerator\iaanotif.exe
C:\PROGRA~1\McAfee.com\Personal Firewall\MpfTray.exe
C:\PROGRA~1\mcafee.com\agent\mcagent.exe
C:\Program Files\Common Files\Acronis\Schedule2\schedhlp.exe
C:\Program Files\Acronis\TrueImageHome\TrueImageMonitor.exe
C:\Program Files\Acronis\TrueImageHome\TimounterMonitor.exe
C:\Program Files\DAEMON Tools\daemon.exe
C:\WINDOWS\system32\RunDLL32.exe
C:\Program Files\Anti Trojan Elite\TJEnder.exe
C:\Program Files\Creative\MediaSource\Detector\CTDetect.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\SkypeMate\SkypeMate.exe
C:\Program Files\TGTSoft\StyleXP\StyleXP.exe
C:\Program Files\Logitech\MouseWare\system\em_exec.exe
C:\Program Files\Ad Muncher\AdMunch.exe
C:\Program Files\Common Files\Acronis\Schedule2\schedul2.exe
C:\Program Files\Common Files\Autodesk Shared\Service\AdskScSrv.exe
C:\Program Files\Auto Power-on\AutoPower.exe
C:\WINDOWS\System32\CTsvcCDA.exe
C:\Program Files\Evidence Exterminator\erasrv.exe
C:\WINDOWS\System32\sesinetd.exe
C:\WINDOWS\System32\hserver.exe
C:\Program Files\Intel\Intel Application Accelerator\iaantmon.exe
c:\program files\mcafee.com\agent\mcdetect.exe
c:\PROGRA~1\mcafee.com\agent\mctskshd.exe
C:\PROGRA~1\McAfee.com\Personal Firewall\MPFSERVICE.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\Program Files\SolidWorks\COSMOS\FloWorks\binCFW\StandAloneSlv.exe
C:\WINDOWS\System32\svchost.exe
C:\PROGRA~1\McAfee.com\Personal Firewall\MpfAgent.exe
C:\Program Files\FlashGet 1.65 Full\flashget.exe
C:\PROGRA~1\DVD Region-Free\DVDRegionFree.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Documents and Settings\steve\Desktop\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar =
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://73900.com
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: Google Web Accelerator Helper - {69A87B7D-DE56-4136-9655-716BA50C19C7} - C:\Program Files\Google\Web Accelerator\GoogleWebAccToolbar.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O2 - BHO: IeCatch2 Class - {A5366673-E8CA-11D3-9CD9-0090271D075B} - C:\Program Files\FlashGet 1.65 Full\jccatch.dll
O2 - BHO: Acronis Popup Blocker - {E24AD748-155E-4254-B674-4EDF86E7E1DF} - C:\PROGRA~1\Acronis\PrivacyExpert\Pop-up Blocker.dll
O2 - BHO: Internet Explorer ActiveX - {EE7C3CF0-4B15-11D1-ABED-709549C10001} - C:\PROGRA~1\INTERN~1\CONNEC~1\iccon.dll
O3 - Toolbar: (no name) - {E0E899AB-F487-11D5-8D29-0050BA6940E3} - (no file)
O3 - Toolbar: Easy-WebPrint - {327C2873-E90D-4c37-AA9D-10AC9BABA46C} - C:\Program Files\Canon\Easy-WebPrint\Toolband.dll
O3 - Toolbar: Google Web Accelerator - {DB87BFA2-A2E3-451E-8E5A-C89982D87CBF} - C:\Program Files\Google\Web Accelerator\GoogleWebAccToolbar.dll
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [IAAnotif] C:\Program Files\Intel\Intel Application Accelerator\iaanotif.exe
O4 - HKLM\..\Run: [MPFExe] C:\PROGRA~1\McAfee.com\Personal Firewall\MpfTray.exe
O4 - HKLM\..\Run: [MCAgentExe] c:\PROGRA~1\mcafee.com\agent\mcagent.exe
O4 - HKLM\..\Run: [MCUpdateExe] c:\PROGRA~1\mcafee.com\agent\mcupdate.exe
O4 - HKLM\..\Run: [KAVPersonal50] "C:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus Personal Pro\kav.exe" /minimize
O4 - HKLM\..\Run: [Acronis Scheduler2 Service] "C:\Program Files\Common Files\Acronis\Schedule2\schedhlp.exe"
O4 - HKLM\..\Run: [TrueImageMonitor.exe] C:\Program Files\Acronis\TrueImageHome\TrueImageMonitor.exe
O4 - HKLM\..\Run: [Logitech Utility] Logi_MwX.Exe
O4 - HKLM\..\Run: [AcronisTimounterMonitor] C:\Program Files\Acronis\TrueImageHome\TimounterMonitor.exe
O4 - HKLM\..\Run: [DAEMON Tools] "C:\Program Files\DAEMON Tools\daemon.exe" -lang 1033
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RunDLL32.exe NvMCTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [Anti Trojan Elite] C:\Program Files\Anti Trojan Elite\TJEnder.exe :NO
O4 - HKCU\..\Run: [Creative Detector] C:\Program Files\Creative\MediaSource\Detector\CTDetect.exe /R
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [SkypeMate] C:\Program Files\SkypeMate\SkypeMate.exe
O4 - HKCU\..\Run: [STYLEXP] C:\Program Files\TGTSoft\StyleXP\StyleXP.exe -Hide
O4 - Startup: Ad Muncher.lnk = C:\Program Files\Ad Muncher\AdMunch.exe
O4 - Global Startup: AutoCAD Startup Accelerator.lnk = C:\Program Files\Common Files\Autodesk Shared\acstart16.exe
O8 - Extra context menu item: &Search - http://bar.mywebsearch.com/menusearch.html?p=ZNxdm48332
O8 - Extra context menu item: Download All by FlashGet - C:\Program Files\FlashGet 1.65 Full\jc_all.htm
O8 - Extra context menu item: Download using FlashGet - C:\Program Files\FlashGet 1.65 Full\jc_link.htm
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: Open Selected URL - C:\Program Files\RightClickGoogleSearchOpenSelectedURL\openselectedurl.htm
O8 - Extra context menu item: Search &Google - C:\Program Files\RightClickGoogleSearchOpenSelectedURL\google.htm
O9 - Extra button: Acronis Pop-up Blocker - {2E071ADC-ADF8-4b4b-8ACB-EDC49E6D45A2} - C:\PROGRA~1\Acronis\PrivacyExpert\Pop-up Blocker.dll
O9 - Extra 'Tools' menuitem: Acronis Pop-up Blocker - {2E071ADC-ADF8-4b4b-8ACB-EDC49E6D45A2} - C:\PROGRA~1\Acronis\PrivacyExpert\Pop-up Blocker.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: FlashGet - {D6E814A0-E0C5-11d4-8D29-0050BA6940E3} - C:\Program Files\FlashGet 1.65 Full\flashget.exe
O9 - Extra 'Tools' menuitem: &FlashGet - {D6E814A0-E0C5-11d4-8D29-0050BA6940E3} - C:\Program Files\FlashGet 1.65 Full\flashget.exe
O9 - Extra button: Yahoo! Messenger - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - C:\PROGRA~1\Yahoo!\Messenger\YPager.exe (file missing)
O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - C:\PROGRA~1\Yahoo!\Messenger\YPager.exe (file missing)
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O11 - Options group: [INTERNATIONAL] International*
O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O16 - DPF: {193C772A-87BE-4B19-A7BB-445B226FE9A1} (ewidoOnlineScan Control) - http://downloads.ewido.net/ewidoOnlineScan.cab
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://download.bitdefender.com/resources/scan8/oscan8.cab
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSN Messenger\msgrapp.dll" (file missing)
O23 - Service: Acronis Scheduler2 Service (AcrSch2Svc) - Acronis - C:\Program Files\Common Files\Acronis\Schedule2\schedul2.exe
O23 - Service: Autodesk Licensing Service - Autodesk - C:\Program Files\Common Files\Autodesk Shared\Service\AdskScSrv.exe
O23 - Service: Auto Power-on (AutoPower) - Unknown owner - C:\Program Files\Auto Power-on\AutoPower.exe
O23 - Service: Creative Service for CDROM Access - Creative Technology Ltd - C:\WINDOWS\System32\CTsvcCDA.exe
O23 - Service: Eraser Service (EraserThread) - Unknown owner - C:\Program Files\Evidence Exterminator\erasrv.exe
O23 - Service: Houdini License Server (HoudiniLicenseServer) - Side Effects Software Inc. - C:\WINDOWS\System32\sesinetd.exe
O23 - Service: Houdini License Client (HoudiniServer) - Side Effects Software Inc. - C:\WINDOWS\System32\hserver.exe
O23 - Service: IAA Event Monitor (IAANTMon) - Intel - C:\Program Files\Intel\Intel Application Accelerator\iaantmon.exe
O23 - Service: kavsvc - Kaspersky Lab - C:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus Personal Pro\kavsvc.exe
O23 - Service: Maya 6.5 Documentation Server (maya65docserver) - Unknown owner - C:\Program Files\Alias\Maya6.5\docs\wrapper.exe" -s "C:\Program Files\Alias\Maya6.5\docs\Wrapper.conf (file missing)
O23 - Service: McAfee WSC Integration (McDetect.exe) - McAfee, Inc - c:\program files\mcafee.com\agent\mcdetect.exe
O23 - Service: McAfee Task Scheduler (McTskshd.exe) - McAfee, Inc - c:\PROGRA~1\mcafee.com\agent\mctskshd.exe
O23 - Service: McAfee SecurityCenter Update Manager (mcupdmgr.exe) - McAfee, Inc - C:\PROGRA~1\McAfee.com\Agent\mcupdmgr.exe
O23 - Service: McAfee Personal Firewall Service (MpfService) - McAfee Corporation - C:\PROGRA~1\McAfee.com\Personal Firewall\MPFSERVICE.exe
O23 - Service: Intel NCS NetService (NetSvc) - Intel® Corporation - C:\Program Files\Intel\NCS\Sync\NetSvc.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: Remote Solver for COSMOSFloWorks 2006 - Unknown owner - C:\Program Files\SolidWorks\COSMOS\FloWorks\binCFW\StandAloneSlv.exe
O23 - Service: Sandra Data Service (SandraDataSrv) - SiSoftware - C:\Program Files\SiSoftware\SiSoftware Sandra Lite 2005.SR2a\RpcDataSrv.exe
O23 - Service: Sandra Service (SandraTheSrv) - SiSoftware - C:\Program Files\SiSoftware\SiSoftware Sandra Lite 2005.SR2a\RpcSandraSrv.exe
O23 - Service: StyleXPService - Unknown owner - C:\Program Files\TGTSoft\StyleXP\StyleXPService.exe