[Closed] hijack

The usual hijacking of searches to take to sites with other search links for which I assume a fee is generated if the new links are used. My log follows, please help:
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 8:15:54 AM, on 12/24/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Boot mode: Normal

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\csrss.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\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\msdtc.exe
C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
C:\Program Files\Belkin\Belkin Wireless Network Utility\WLService.exe
C:\Program Files\Belkin\Belkin Wireless Network Utility\WLanCfgG.exe
C:\Program Files\PDF Complete\pdfsvc.exe
C:\WINDOWS\system32\HPZipm12.exe
C:\WINDOWS\system32\tcpsvcs.exe
C:\WINDOWS\System32\snmp.exe
C:\Program Files\Common Files\Softwin\BitDefender Communicator\xcommsvr.exe
C:\Program Files\Common Files\Softwin\BitDefender Scan Server\bdss.exe
C:\WINDOWS\system32\fxssvc.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\System32\alg.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Program Files\PrevxCSI\prevxcsi.exe
C:\Program Files\NETGEAR\WG111T\wlan111t.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe
C:\WINDOWS\system32\wbem\wmiprvse.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = about:blank
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL =

http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL =

http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.yahoo.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) =

http://us.rd.yahoo.com/customize/ie/defaul…//www.yahoo.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
O2 - BHO: (no name) - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - (no file)
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program

Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: dsWebAllowBHO Class - {2F85D76C-0569-466F-A488-493E6BD0E955} - C:\Program Files\Windows

Desktop Search\dsWebAllow.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program

Files\Java\jre1.6.0_02\bin\ssv.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program

Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [PrevxCSI] "C:\Program Files\PrevxCSI\prevxcsi.exe" -boot
O4 - HKUS\S-1-5-18\..\Run: [MySpaceIM] C:\Program Files\MySpace\IM\MySpaceIM.exe (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [MySpaceIM] C:\Program Files\MySpace\IM\MySpaceIM.exe (User 'Default

user')
O4 - Global Startup: NETGEAR WG111T Smart Wizard.lnk = ?
O8 - Extra context menu item: &Search - ?p=ZU
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10

\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program

Files\Java\jre1.6.0_02\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program

Files\Java\jre1.6.0_02\bin\ssv.dll
O9 - Extra button: Wash N' Go - {B8A01A8F-6FE9-11db-9125-00105AA09764} - C:\Program

Files\RedLeg\Wash N' Go\WashN'Go.exe
O9 - Extra 'Tools' menuitem: Wash N' Go - {B8A01A8F-6FE9-11db-9125-00105AA09764} - C:\Program

Files\RedLeg\Wash N' Go\WashN'Go.exe
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network

Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} -

C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
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
O16 - DPF: {7B297BFD-85E4-4092-B2AF-16A91B2EA103} (WScanCtl Class) -

http://www.ca.com/us/securityadvisor/virusinfo/webscan.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{201392D8-D2CA-4523-BB96-01E9DA5FD801}: NameServer =

85.255.115.114,85.255.112.176
O17 - HKLM\System\CCS\Services\Tcpip\..\{33014C40-5FF2-47B9-9941-9E75C19513C3}: NameServer =

85.255.115.114,85.255.112.176
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: NameServer = 208.67.220.220,208.67.222.222
O17 - HKLM\System\CS1\Services\Tcpip\..\{201392D8-D2CA-4523-BB96-01E9DA5FD801}: NameServer =

85.255.115.114,85.255.112.176
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: NameServer = 208.67.220.220,208.67.222.222
O23 - Service: Apple Mobile Device - Apple, Inc. - C:\Program Files\Common Files\Apple\Mobile Device

Support\bin\AppleMobileDeviceService.exe
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Program Files\Alwil

Software\Avast4\aswUpdSv.exe
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Program Files\Alwil Software\Avast4

\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4

\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4

\ashWebSv.exe
O23 - Service: BitDefender Scan Server (bdss) - Unknown owner - C:\Program Files\Common

Files\Softwin\BitDefender Scan Server\bdss.exe
O23 - Service: Belkin 54g Wireless USB Network Adapter (Belkin 54g Wireless USB Network Adapter

Service) - Unknown owner - C:\Program Files\Belkin\Belkin Wireless Network Utility\WLService.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - c:\Program

Files\Common Files\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: iPod Service - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: O&O Defrag 2000 (OOD2000) - O&O Software GmbH - C:\WINDOWS\system32\OOD2000.exe
O23 - Service: PDF Document Manager (pdfcDispatcher) - PDF Complete Inc - C:\Program Files\PDF

Complete\pdfsvc.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\HPZipm12.exe
O23 - Service: BitDefender Communicator (XCOMM) - Softwin - C:\Program Files\Common

Files\Softwin\BitDefender Communicator\xcommsvr.exe

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End of file - 7404 bytes