I am having the same problem that is described by pearlaking. Scan32.exe has been running for ~5.5hrs, taking up 40-80% of my CPU. Scan32.exe cannot be killed in Task Manager. This problem does not happen every day, just periodically.
My desktop is an old computer, Compac Deskpro. It is running Windows 2000 Advanced Server (the only OS we had a key for when my hd was replaced). Because the OS is for a server, McAfee is the only virus scan I can use.
I followed your instructions for HijackThis. Below is the log file:
Logfile of HijackThis v1.99.1
Scan saved at 9:53:20 AM, on 7/18/2007
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)
Running processes:
C:\WINNT\System32\smss.exe
C:\WINNT\system32\csrss.exe
C:\WINNT\system32\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
C:\WINNT\System32\termsrv.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\spoolsv.exe
C:\WINNT\System32\svchost.exe
C:\WINNT\system32\hidserv.exe
C:\WINNT\System32\llssrv.exe
C:\Program Files\Network Associates\Common Framework\FrameworkService.exe
C:\Program Files\Network Associates\VirusScan\Mcshield.exe
C:\Program Files\Network Associates\VirusScan\VsTskMgr.exe
C:\PROGRA~1\NETWOR~1\COMMON~1\naPrdMgr.exe
C:\Program Files\Common Files\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\PROGRA~1\MI6841~1\MSSQL$~1\binn\sqlservr.exe
C:\WINNT\System32\WINDOW~1\Server\nspmon.exe
C:\WINNT\System32\WINDOW~1\Server\nscm.exe
C:\WINNT\system32\regsvc.exe
C:\WINNT\system32\MSTask.exe
C:\Program Files\Spyware Doctor\sdhelp.exe
C:\WINNT\System32\tcpsvcs.exe
C:\WINNT\System32\snmp.exe
C:\WINNT\system32\stisvc.exe
C:\PROGRA~1\MI4F93~1\webtool.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\Dfssvc.exe
C:\WINNT\System32\dns.exe
C:\WINNT\System32\inetsrv\inetinfo.exe
C:\WINNT\System32\msdtc.exe
C:\Program Files\Common Files\System\MSSearch\Bin\mssearch.exe
C:\WINNT\System32\WINDOW~1\Server\nspm.exe
C:\WINNT\System32\WINDOW~1\Server\nsum.exe
C:\WINNT\System32\svchost.exe
C:\WINNT\Explorer.EXE
C:\Program Files\Logitech\iTouch\iTouch.exe
C:\Program Files\D-Tools\daemon.exe
C:\Program Files\D-Link\AirPlus Xtreme G\AirPlusCFG.exe
C:\Program Files\Alpha Networks\ANIWZCS Service\WZCSLDR.exe
C:\Program Files\iRiver\iHP100\iHPDetect.exe
C:\Program Files\Network Associates\VirusScan\SHSTAT.EXE
C:\Program Files\Network Associates\Common Framework\UpdaterUI.exe
C:\Program Files\eFax Messenger 4.2\J2GDllCmd.exe
C:\Program Files\Adobe\Acrobat 7.0\Distillr\Acrotray.exe
C:\WINNT\system32\ctfmon.exe
C:\Program Files\Skype\Phone\Skype.exe
C:\Program Files\Logitech\MouseWare\system\em_exec.exe
C:\Program Files\Palm\HOTSYNC.EXE
C:\Program Files\Skype\Plugin Manager\SkypePM.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\PROGRA~1\SPYWAR~1\swdoctor.exe
C:\Program Files\Network Associates\VirusScan\SCAN32.EXE
C:\WINNT\system32\taskmgr.exe
C:\Program Files\HijackThis\HijackThis.exe
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: PCTools Site Guard - {5C8B2A36-3DB1-42A4-A3CB-D426709BBFEB} - C:\PROGRA~1\SPYWAR~1\tools\iesdsg.dll
O2 - BHO: AcroIEToolbarHelper Class - {AE7CD045-E861-484f-8273-0445EE161910} - C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll
O2 - BHO: PCTools Browser Monitor - {B56A7D7D-6927-48C8-A975-17DF180C71AC} - C:\PROGRA~1\SPYWAR~1\tools\iesdpb.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\System32\msdxm.ocx
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O3 - Toolbar: Adobe PDF - {47833539-D0C5-4125-9FA8-0819E2EAAC93} - C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll
O4 - HKLM\..\Run: [zBrowser Launcher] C:\Program Files\Logitech\iTouch\iTouch.exe
O4 - HKLM\..\Run: [DAEMON Tools-1033] "C:\Program Files\D-Tools\daemon.exe" -lang 1033
O4 - HKLM\..\Run: [D-Link AirPlus Xtreme G] C:\Program Files\D-Link\AirPlus Xtreme G\AirPlusCFG.exe
O4 - HKLM\..\Run: [ANIWZCSService] C:\Program Files\Alpha Networks\ANIWZCS Service\WZCSLDR.exe
O4 - HKLM\..\Run: [iHP-100] C:\Program Files\iRiver\iHP100\iHPDetect.exe
O4 - HKLM\..\Run: [ShStatEXE] "C:\Program Files\Network Associates\VirusScan\SHSTAT.EXE" /STANDALONE
O4 - HKLM\..\Run: [McAfeeUpdaterUI] "C:\Program Files\Network Associates\Common Framework\UpdaterUI.exe" /StartedFromRunKey
O4 - HKLM\..\Run: [Logitech Utility] Logi_MwX.Exe
O4 - HKLM\..\Run: [Adobe Photo Downloader] "C:\Program Files\Adobe\Photoshop Album Starter Edition\3.0\Apps\apdproxy.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [eFax 4.2] "C:\Program Files\eFax Messenger 4.2\J2GDllCmd.exe" /R
O4 - HKLM\..\Run: [Acrobat Assistant 7.0] "C:\Program Files\Adobe\Acrobat 7.0\Distillr\Acrotray.exe"
O4 - HKCU\..\Run: [ctfmon.exe] ctfmon.exe
O4 - HKCU\..\Run: [Spyware Doctor] "C:\Program Files\Spyware Doctor\swdoctor.exe" /Q
O4 - HKCU\..\Run: [Uniblue Registry Booster] C:\Program Files\Uniblue\Registry Booster\RegistryBooster.exe /S
O4 - HKCU\..\Run: [Skype] "C:\Program Files\Skype\Phone\Skype.exe" /nosplash /minimized
O4 - Startup: Adobe Gamma.lnk = C:\Program Files\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Startup: HotSync Manager.lnk = C:\Program Files\Palm\HOTSYNC.EXE
O4 - Global Startup: Adobe Acrobat Speed Launcher.lnk = C:\Program Files\Adobe\Acrobat 7.0\Acrobat\acrobat_sl.exe
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Program Files\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Service Manager.lnk = C:\Program Files\Microsoft SQL Server\80\Tools\Binn\sqlmangr.exe
O8 - Extra context menu item: Convert link target to Adobe PDF - res://C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIECapture.html
O8 - Extra context menu item: Convert link target to existing PDF - res://C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIEAppend.html
O8 - Extra context menu item: Convert selected links to Adobe PDF - res://C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIECaptureSelLinks.html
O8 - Extra context menu item: Convert selected links to existing PDF - res://C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIEAppendSelLinks.html
O8 - Extra context menu item: Convert selection to Adobe PDF - res://C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIECapture.html
O8 - Extra context menu item: Convert selection to existing PDF - res://C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIEAppend.html
O8 - Extra context menu item: Convert to Adobe PDF - res://C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIECapture.html
O8 - Extra context menu item: Convert to existing PDF - res://C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll/AcroIEAppend.html
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~3\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_04\bin\npjpi150_04.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_04\bin\npjpi150_04.dll
O9 - Extra button: Spyware Doctor - {2D663D1A-8670-49D9-A1A5-4C56B4E14E84} - C:\PROGRA~1\SPYWAR~1\tools\iesdpb.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\OFFICE11\REFIEBAR.DLL
O9 - Extra button: Fiddler - {CF819DA3-9882-4944-ADF5-6EF17ECF3C6E} - "C:\Program Files\Fiddler\Fiddler.exe" (file missing)
O9 - Extra 'Tools' menuitem: Fiddler - {CF819DA3-9882-4944-ADF5-6EF17ECF3C6E} - "C:\Program Files\Fiddler\Fiddler.exe" (file missing)
O16 - DPF: {02BF25D5-8C17-4B23-BC80-D3488ABDDC6B} (QuickTime Object) -
https://a248.e.akamai.net/7/248/11498/v1/www.moveonpac.org/content/qt/qtplugin.cab
O16 - DPF: {0E8D0700-75DF-11D3-8B4A-0008C7450C4A} (DjVuCtl Class) -
http://downloadcenter.samsung.com/content/common/cab/DjVuControlLite_EN.cab
O16 - DPF: {56336BCB-3D8A-11D6-A00B-0050DA18DE71} -
http://software-dl.real.com/19b99a44d73f8d35df06/netzip/RdxIE601.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) -
http://messenger.msn.com/download/MsnMessengerSetupDownloader.cab
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (MSN Games - Installer) -
http://cdn2.zone.msn.com/binFramework/v10/ZIntro.cab56649.cab
O16 - DPF: {B991DA79-51F7-4011-98D2-1F2592E82A56} (ACNPlayer2 Class) -
http://204.118.132.145/2_0/ACNePlayer.cab
O16 - DPF: {DF780F87-FF2B-4DF8-92D0-73DB16A1543A} (PopCapLoader Object) -
http://download.games.yahoo.com/games/web_games/popcap/bejeweled2/popcaploader_v6.cab
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: Domain = BLUEDIAMOND
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: Domain = BLUEDIAMOND
O17 - HKLM\System\CS2\Services\Tcpip\Parameters: Domain = BLUEDIAMOND
O18 - Protocol: ms-help - {314111C7-A502-11D2-BBCA-00C04F8EC294} - C:\Program Files\Common Files\Microsoft Shared\Help\hxds.dll
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\COMMON~1\Skype\SKYPE4~1.DLL
O23 - Service: Adobe LM Service - Adobe Systems - C:\Program Files\Common Files\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: Logical Disk Manager Administrative Service (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: McAfee Framework Service (McAfeeFramework) - Network Associates, Inc. - C:\Program Files\Network Associates\Common Framework\FrameworkService.exe
O23 - Service: Network Associates McShield (McShield) - Network Associates, Inc. - C:\Program Files\Network Associates\VirusScan\Mcshield.exe
O23 - Service: Network Associates Task Manager (McTaskManager) - Network Associates, Inc. - C:\Program Files\Network Associates\VirusScan\VsTskMgr.exe
O23 - Service: PC Tools Spyware Doctor (SDhelper) - PC Tools Research Pty Ltd - C:\Program Files\Spyware Doctor\sdhelp.exe
Thanks.