I would also like to add that I am no novice in adware/spyware removal - I have been using HijackThis and Ad-Aware SE on my own for quite some time now, and can read the results well and know which objects to delete.
I've run Ad-Aware until it detects nothing else, and I can't seem to find anything else in my Hijack log that could be causing the problem, which is why I've come here. The pop-ups show up about every 15 minutes, most of them starting with "www.loadingwebsite.com."
Logfile of HijackThis v1.99.1
Scan saved at 2:26:36 PM, on 6/2/2005
Platform: Windows ME (Win9x 4.90.3000)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)
Running processes:
C:\WINDOWS\SYSTEM\KERNEL32.DLL
C:\WINDOWS\SYSTEM\MSGSRV32.EXE
C:\WINDOWS\SYSTEM\SPOOL32.EXE
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\WINDOWS\SYSTEM\MSTASK.EXE
C:\PROGRAM FILES\COMMON FILES\SYMANTEC SHARED\CCEVTMGR.EXE
C:\PROGRAM FILES\COMMON FILES\SYMANTEC SHARED\CCSETMGR.EXE
C:\WINDOWS\SYSTEM\STIMON.EXE
C:\WINDOWS\SYSTEM\LEXBCES.EXE
C:\WINDOWS\SYSTEM\RPCSS.EXE
C:\WINDOWS\SYSTEM\LEXPPS.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\WINDOWS\SYSTEM\RESTORE\STMGR.EXE
C:\WINDOWS\SYSTEM\DEVLDR16.EXE
C:\WINDOWS\EXPLORER.EXE
C:\WINDOWS\RUNDLL32.EXE
C:\WINDOWS\TASKMON.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\PROGRAM FILES\COMMON FILES\SYMANTEC SHARED\CCPD-LC\SYMLCSVC.EXE
C:\PROGRAM FILES\COMMON FILES\SYMANTEC SHARED\CCAPP.EXE
C:\WINDOWS\LOADQM.EXE
C:\PROGRAM FILES\MSN APPS\UPDATER\01.02.3000.1001\EN-US\MSNAPPAU.EXE
C:\PROGRAM FILES\INTERNET EXPLORER\IEXPLORE.EXE
C:\WINDOWS\SYSTEM\DDHELP.EXE
C:\WINDOWS\SYSTEM\PSTORES.EXE
C:\WINDOWS\TEMPORARY INTERNET FILES\CONTENT.IE5\6TU1WF6L\HIJACKTHIS[1].EXE
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O2 - BHO: MSNToolBandBHO - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\PROGRAM FILES\MSN APPS\MSN TOOLBAR\01.02.3000.1001\EN-US\MSNTB.DLL
O3 - Toolbar: MSN - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\PROGRAM FILES\MSN APPS\MSN TOOLBAR\01.02.3000.1001\EN-US\MSNTB.DLL
O4 - HKLM\..\Run: [ScanRegistry] C:\WINDOWS\scanregw.exe /autorun
O4 - HKLM\..\Run: [TaskMonitor] C:\WINDOWS\taskmon.exe
O4 - HKLM\..\Run: [PCHealth] C:\WINDOWS\PCHealth\Support\PCHSchd.exe -s
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\Run: [UpdReg] C:\WINDOWS\Updreg.exe
O4 - HKLM\..\Run: [AHQInit] C:\Program Files\Creative\SBLive\Program\AHQInit.exe
O4 - HKLM\..\Run: [Symantec Core LC] C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe start
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMON.EXE /Consumer
O4 - HKLM\..\Run: [LoadQM] loadqm.exe
O4 - HKLM\..\Run: [msnappau] "C:\Program Files\MSN Apps\Updater\01.02.3000.1001\en-us\msnappau.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\WINDOWS\SYSTEM\QTTASK.EXE" -atboottime
O4 - HKLM\..\Run: [devldr16.exe] C:\WINDOWS\SYSTEM\devldr16.exe
O4 - HKLM\..\RunServices: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\RunServices: [SchedulingAgent] mstask.exe
O4 - HKLM\..\RunServices: [*StateMgr] C:\WINDOWS\System\Restore\StateMgr.exe
O4 - HKLM\..\RunServices: [ScriptBlocking] "C:\Program Files\Common Files\Symantec Shared\Script Blocking\SBServ.exe" -reg
O4 - HKLM\..\RunServices: [ccEvtMgr] "C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe"
O4 - HKLM\..\RunServices: [ccSetMgr] "C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe"
O4 - HKLM\..\RunServices: [StillImageMonitor] C:\WINDOWS\SYSTEM\STIMON.EXE
O4 - HKLM\..\RunServices: [MSNIA] C:\PROGRA~1\MSN\MSNIA\MSNIASVC.EXE
O4 - Startup: Adobe Gamma Loader.lnk = C:\Program Files\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe
O9 - Extra button: AIM - {AC9E2541-2814-11d5-BC6D-00B0D0A1DE45} - C:\PROGRAM FILES\AIM\AIM.EXE
O15 - Trusted IP range: 213.159.117.202
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai...all/xscan53.cab
Thank you all!