Boot to safe mode.
Look for these processes, stop them if present

WToolsS.exe
WToolsA.exe
WSup.exe

Run hijackthis, tick to fix:

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.websearch.com/ie.aspx?tb_id=50038
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch = res://C:\PROGRA~1\Toolbar\toolbar.dll/sa
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://www.websearch.com/ie.aspx?tb_id=50038
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,SearchAssistant = http://www.websearch.com/ie.aspx?tb_id=50038
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,CustomizeSearch = res://C:\PROGRA~1\Toolbar\toolbar.dll/sa
R3 - URLSearchHook: (no name) - {8952A998-1E7E-4716-B23D-3DBE03910972} - C:\PROGRA~1\Toolbar\toolbar.dll
O2 - BHO: (no name) - {87766247-311C-43B4-8499-3D5FEC94A183} - C:\PROGRA~1\COMMON~1\WinTools\WToolsB.dll
O2 - BHO: (no name) - {8952A998-1E7E-4716-B23D-3DBE03910972} - C:\PROGRA~1\Toolbar\toolbar.dll
O3 - Toolbar: &Search Toolbar - {339BB23F-A864-48C0-A59F-29EA915965EC} - C:\PROGRA~1\Toolbar\toolbar.dll
O4 - HKLM\..\Run: [WinTools] C:\Program Files\Common Files\WinTools\WToolsA.exe
O16 - DPF: {87067F04-DE4C-4688-BC3C-4FCF39D609E7} - http://download.websearch.com/Dnl/T_50038/QDow_AS2.cab
O16 - DPF: {9076A11F-5EA6-4A67-BDE9-8D3C7C453DAC} - http://www.fizzlewizzle.com/installfiles/popblocker.cab
O16 - DPF: {92F02779-6D88-4958-8AD3-83C12A16ADC7} - file://C:\WINDOWS\system32\SearchBar\zpprf1sh.exe

delete these folders:
C:\Program Files\Common Files\WinTools
C:\PROGRA~1\Toolbar

Reboot, post a new log.

Logfile of HijackThis v1.97.7
Scan saved at 9:48:28 PM, on 7/19/2004
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:\Program Files\TGTSoft\StyleXP\StyleXPService.exe
C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Executive Software\Diskeeper\DkService.exe
C:\Program Files\Norton SystemWorks\Norton Antivirus\navapsvc.exe
C:\PROGRA~1\NORTON~1\NORTON~2\NPROTECT.EXE
C:\Program Files\Common Files\Symantec Shared\ccApp.exe
C:\Program Files\Microsoft IntelliPoint\point32.exe
C:\Program Files\Java\j2re1.4.2_04\bin\jusched.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\program files\valve\steam\steam.exe
C:\Program Files\Norton SystemWorks\Norton Antivirus\SAVScan.exe
C:\WINDOWS\wt\updater\wcmdmgr.exe
C:\PROGRA~1\NORTON~1\NORTON~2\SPEEDD~1\NOPDB.EXE
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe
C:\Program Files\Messenger\msmsgs.exe
C:\HJT\HijackThis.exe

O2 - BHO: (no name) - {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:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Program Files\Norton SystemWorks\Norton Antivirus\NavShExt.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton SystemWorks\Norton Antivirus\NavShExt.dll
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [DAEMON Tools-1033] "C:\Program Files\D-Tools\daemon.exe" -lang 1033 -noicon
O4 - HKLM\..\Run: [IntelliPoint] "C:\Program Files\Microsoft IntelliPoint\point32.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\j2re1.4.2_04\bin\jusched.exe
O4 - HKLM\..\Run: [wcmdmgr] C:\WINDOWS\wt\updater\wcmdmgrl.exe -launch
O4 - HKCU\..\Run: [STYLEXP] C:\Program Files\TGTSoft\StyleXP\StyleXP.exe -Hide
O4 - HKCU\..\Run: [Steam] "c:\program files\valve\steam\steam.exe" -silent
O4 - HKCU\..\Run: [AIM] C:\PROGRA~1\AIM\aim.exe -cnetwait.odl
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Program Files\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra 'Tools' menuitem: Sun Java Console (HKLM)
O9 - Extra button: AIM (HKLM)
O9 - Extra button: Related (HKLM)
O9 - Extra 'Tools' menuitem: Show &Related Links (HKLM)

Log looks clean to me.

2 comments:

For future:

http://www.wilderssecurity.com/showthread.php?t=27971

Some people advising on logs also recommend removing wild tangent. I don't know whether you should or not. One comment here:

http://www.kephyr.com/spywarescanner/library/wildtangent/index.phtml

If you're concerned, I imagine if you posted a new thread asking opinions about wild tangent you would get some answers.

Regards.