I am getting annoying popups to gad advertising sites. I would appreciate any advice you can give me on how to stop this. I have followed your advice, run spybot in safe mode, run an online virus scan, and installed and ran hijack this. Here is the logfile:

Logfile of HijackThis v1.99.1
Scan saved at 4:09:11 PM, on 3/11/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16414)

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\LEXBCES.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\LEXPPS.EXE
C:\WINDOWS\Explorer.EXE
C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Linksys Wireless-G USB Wireless Network Monitor\WLService.exe
C:\Program Files\Linksys Wireless-G USB Wireless Network Monitor\WUSB54Gv2.exe
C:\Program Files\Java\jre1.5.0_10\bin\jusched.exe
C:\Program Files\Musicmatch\Musicmatch Jukebox\mm_tray.exe
C:\WINDOWS\system32\dla\tfswctrl.exe
C:\Program Files\Linksys Wireless-G USB Wireless Network Monitor\InfoMyCa.exe
C:\PROGRA~1\MUSICM~1\MUSICM~2\MMDiag.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe
C:\Program Files\BellSouthWCC\McciTrayApp.exe
C:\Program Files\CyberLink\PowerDVD\DVDLauncher.exe
C:\Program Files\MUSICMATCH\Musicmatch Jukebox\mim.exe
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\Program Files\Dell\Media Experience\PCMService.exe
C:\Program Files\BellSouth\Alert Manager\BellSouthAlertManager.exe
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\WINDOWS\system32\cjnr4r48592735.exe
C:\WINDOWS\system32\spool\drivers\w32x86\3\hpztsb07.exe
C:\Program Files\Yahoo!\Messenger\YahooMessenger.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Dell Support\DSAgnt.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\Program Files\Support.com\bin\tgcmd.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Java\jre1.5.0_10\bin\jucheck.exe
C:\Hikack\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.dell4me.com/myway
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://red.clientapps.yahoo.com/cust...search/ie.html
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://home.bellsouth.net/
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
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: BellSouth Toolbar - {4E7BD74F-2B8D-469E-8CBD-FD60BB9AAE2E} - C:\PROGRA~1\BLSTOO~1\BLSTOO~1.DLL
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: DriveLetterAccess - {5CA3D70E-1895-11CF-8E15-001234567890} - C:\WINDOWS\system32\dla\tfswshx.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_10\bin\ssv.dll
O3 - Toolbar: (no name) - {BA52B914-B692-46c4-B683-905236F6F655} - (no file)
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
O3 - Toolbar: BellSouth Toolbar - {4E7BD74F-2B8D-469E-8CBD-FD60BB9AAE2E} - C:\PROGRA~1\BLSTOO~1\BLSTOO~1.DLL
O4 - HKLM\..\Run: [IgfxTray] C:\WINDOWS\system32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\system32\hkcmd.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.5.0_10\bin\jusched.exe"
O4 - HKLM\..\Run: [IntelMeM] C:\Program Files\Intel\Modem Event Monitor\IntelMEM.exe
O4 - HKLM\..\Run: [MMTray] "C:\Program Files\Musicmatch\Musicmatch Jukebox\mm_tray.exe"
O4 - HKLM\..\Run: [UpdateManager] "C:\Program Files\Common Files\Sonic\Update Manager\sgtray.exe" /r
O4 - HKLM\..\Run: [dla] C:\WINDOWS\system32\dla\tfswctrl.exe
O4 - HKLM\..\Run: [WUSB54Gv2] C:\Program Files\Linksys Wireless-G USB Wireless Network Monitor\InvokeSvc3.exe
O4 - HKLM\..\Run: [MimBoot] C:\PROGRA~1\MUSICM~1\MUSICM~2\mimboot.exe
O4 - HKLM\..\Run: [MSN 2] IMG353[1].com
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe /STARTUP
O4 - HKLM\..\Run: [BellSouthWCC_McciTrayApp] C:\Program Files\BellSouthWCC\McciTrayApp.exe
O4 - HKLM\..\Run: [DVDLauncher] "C:\Program Files\CyberLink\PowerDVD\DVDLauncher.exe"
O4 - HKLM\..\Run: [PrinTray] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\printray.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [tgcmd] "C:\Program Files\Support.com\BellSouth\hcenter.exe" /starthidden /tgcmdwrapper
O4 - HKLM\..\Run: [PCMService] "C:\Program Files\Dell\Media Experience\PCMService.exe"
O4 - HKLM\..\Run: [BellSouthAlertManager.exe] C:\Program Files\BellSouth\Alert Manager\BellSouthAlertManager.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\system32\spool\drivers\w32x86\3\hpztsb07.exe
O4 - HKLM\..\Run: [2474DF80] C:\WINDOWS\system32\cjnr4r48592735.exe
O4 - HKLM\..\RunServices: [MSN 2] IMG353[1].com
O4 - HKLM\..\RunServices: [2474DF80] C:\WINDOWS\system32\cjnr4r48592735.exe
O4 - HKCU\..\Run: [DH2004Setup.exe] C:\DOWNLO~1\DH2004~3.EXE /r
O4 - HKCU\..\Run: [MSN 2] IMG353[1].com
O4 - HKCU\..\Run: [Yahoo! Pager] "C:\Program Files\Yahoo!\Messenger\YahooMessenger.exe" -quiet
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [DellSupport] "C:\Program Files\Dell Support\DSAgnt.exe" /startup
O4 - HKCU\..\Run: [Aim6] "C:\Program Files\AIM6\aim6.exe" /d locale=en-US ee://aol/imApp
O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O8 - Extra context menu item: &AIM Search - res://C:\Program Files\AIM Toolbar\AIMBar.dll/aimsearch.htm
O8 - Extra context menu item: &Search - http://edits.mywebsearch.com/toolbar...rch.jhtml?p=ZU
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~4\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_10\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_10\bin\ssv.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~4\OFFICE11\REFIEBAR.DLL
O9 - Extra button: AIM - {AC9E2541-2814-11d5-BC6D-00B0D0A1DE45} - C:\Program Files\AIM\aim.exe
O9 - Extra button: Real.com - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - C:\WINDOWS\system32\Shdocvw.dll
O9 - Extra button: MUSICMATCH MX Web Player - {d81ca86b-ef63-42af-bee3-4502d9a03c2d} - http://wwws.musicmatch.com/mmz/openWebRadio.html (file missing)
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.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
O9 - Extra button: WeatherBug - {AF6CABAB-61F9-4f12-A198-B7D41EF1CB52} - C:\Program Files\AWS\WeatherBug\Weather.exe (file missing) (HKCU)
O11 - Options group: [INTERNATIONAL] International*
O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} (YInstStarter Class) - C:\Program Files\Yahoo!\Common\yinsthelper.dll
O16 - DPF: {6BEA1C48-1850-486C-8F58-C7354BA3165E} (Install Class) - http://updates.lifescapeinc.com/inst...l/pinstall.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://acs.pandasoftware.com/actives...ree/asinst.cab
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxsrvc.dll
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\SYSTEM32\WgaLogon.dll
O23 - Service: Adobe LM Service - Unknown owner - C:\Program Files\Common Files\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
O23 - Service: AVG E-mail Scanner (AVGEMS) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.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: LexBce Server (LexBceS) - Lexmark International, Inc. - C:\WINDOWS\system32\LEXBCES.EXE
O23 - Service: WUSB54Gv2SVC - Unknown owner - C:\Program Files\Linksys Wireless-G USB Wireless Network Monitor\WLService.exe" "WUSB54Gv2.exe (file missing)
O23 - Service: Wireless Zero Map (WZMSV) - Unknown owner - C:\WINDOWS\system32\wzmcv.exe (file missing)
O23 - Service: Print Spooler Service (ycmoy6uey6r7ca) - Unknown owner - C:\WINDOWS\system32\cjnr4r48592735.exe