I'm currently thinking it actually might be McAfee causing the issue, it did something similar before, thrashed my HD. Had to do an uninstall/reinstall. Although their website refers to an older version of McAfee having this issue with lsass. So I'm not resorting to uninstalling it quite yet.
Here is the highjackthis log:
Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 9:10:41 PM, on 6/8/2010
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.17023)
Boot mode: Normal
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\acs.exe
C:\Program Files\ActivIdentity\ActivClient\accoca.exe
C:\Program Files\Common Files\Apple\Mobile Device Support\AppleMobileDeviceService.exe
C:\Program Files\Bonjour\mDNSResponder.exe
C:\Program Files\Common Files\Intuit\Update Service\IntuitUpdateService.exe
C:\Program Files\McAfee\SiteAdvisor\McSACore.exe
C:\PROGRA~1\McAfee\MSC\mcmscsvc.exe
c:\PROGRA~1\COMMON~1\mcafee\mna\mcnasvc.exe
C:\WINDOWS\system32\carpserv.exe
C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Program Files\Dell\AccessDirect\dadapp.exe
C:\WINDOWS\System32\DSentry.exe
C:\Program Files\Common Files\Dell\EUSW\Support.exe
C:\Program Files\Microsoft IntelliPoint\ipoint.exe
C:\Program Files\ActivIdentity\ActivClient\accrdsub.exe
C:\WINDOWS\system32\UpdateDriver.exe
c:\PROGRA~1\COMMON~1\mcafee\mcproxy\mcproxy.exe
C:\Program Files\D-Link\AIRPLUS.exe
C:\Program Files\McAfee.com\Agent\mcagent.exe
C:\Program Files\Dell\Support\Alert\bin\NotifyAlert.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\Program Files\I8kfanGUI\I8kfanGUI.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Xmarks\IE Extension\xmarkssync.exe
C:\Program Files\ActivIdentity\ActivClient\acsagent.exe
C:\Program Files\Digital Line Detect\DLG.exe
c:\Program Files\Microsoft IntelliPoint\dpupdchk.exe
C:\Program Files\McAfee\MPF\MPFSrv.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\ActivIdentity\ActivClient\acevents.exe
C:\Program Files\Viewpoint\Common\ViewpointService.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Canon\CAL\CALMAIN.exe
C:\Program Files\Viewpoint\Viewpoint Manager\ViewMgr.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\WINDOWS\System32\wbem\wmiapsrv.exe
C:\PROGRA~1\McAfee\VIRUSS~1\mcsysmon.exe
C:\PROGRA~1\McAfee\VIRUSS~1\mcshield.exe
C:\Program Files\Trend Micro\HiJackThis\HiJackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://mail.live.com...x?wa=wsignin1.0
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft....k/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft....k/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft....k/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft....k/?LinkId=69157
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Internet Explorer Provided by Cox High Speed Internet
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = *.local
R3 - URLSearchHook: McAfee SiteAdvisor Toolbar - {0EBBBE48-BAD4-4B4C-8E5A-516ABECAE064} - c:\PROGRA~1\mcafee\SITEAD~1\mcieplg.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {243B17DE-77C7-46BF-B94B-0B5F309A0E64} - C:\Program Files\Microsoft Money\System\mnyside.dll
O2 - BHO: scriptproxy - {7DB2D5A0-7241-4E79-B68D-6309F01C5231} - C:\Program Files\McAfee\VirusScan\scriptsn.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar3.dll
O2 - BHO: AcroIEToolbarHelper Class - {AE7CD045-E861-484f-8273-0445EE161910} - C:\Program Files\Adobe\Acrobat 6.0\Acrobat\AcroIEFavClient.dll
O2 - BHO: McAfee SiteAdvisor BHO - {B164E929-A1B6-4A06-B104-2CD0E90A88FF} - c:\PROGRA~1\mcafee\SITEAD~1\mcieplg.dll
O3 - Toolbar: Adobe PDF - {47833539-D0C5-4125-9FA8-0819E2EAAC93} - C:\Program Files\Adobe\Acrobat 6.0\Acrobat\AcroIEFavClient.dll
O3 - Toolbar: McAfee SiteAdvisor Toolbar - {0EBBBE48-BAD4-4B4C-8E5A-516ABECAE064} - c:\PROGRA~1\mcafee\SITEAD~1\mcieplg.dll
O4 - HKLM\..\Run: [ATIModeChange] Ati2mdxx.exe
O4 - HKLM\..\Run: [CARPService] carpserv.exe
O4 - HKLM\..\Run: [SynTPLpr] C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [DadApp] C:\Program Files\Dell\AccessDirect\dadapp.exe
O4 - HKLM\..\Run: [DVDSentry] C:\WINDOWS\System32\DSentry.exe
O4 - HKLM\..\Run: [DwlClient] C:\Program Files\Common Files\Dell\EUSW\Support.exe
O4 - HKLM\..\Run: [ZingSpooler] C:\Program Files\Common Files\Zing\ZingSpooler.exe
O4 - HKLM\..\Run: [IntelliPoint] "c:\Program Files\Microsoft IntelliPoint\ipoint.exe"
O4 - HKLM\..\Run: [AppleSyncNotifier] C:\Program Files\Common Files\Apple\Mobile Device Support\AppleSyncNotifier.exe
O4 - HKLM\..\Run: [accrdsub] "C:\Program Files\ActivIdentity\ActivClient\accrdsub.exe"
O4 - HKLM\..\Run: [DriverUpdate] C:\WINDOWS\system32\UpdateDriver.exe
O4 - HKLM\..\Run: [AIRPLUS] "C:\Program Files\D-Link\AIRPLUS.exe" -nogui
O4 - HKLM\..\Run: [mcagent_exe] "C:\Program Files\McAfee.com\Agent\mcagent.exe" /runkey
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKCU\..\Run: [i8kfangui] C:\Program Files\I8kfanGUI\I8kfanGUI.exe /startup
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Xmarks] C:\Program Files\Xmarks\IE Extension\xmarkssync.exe -q
O4 - Global Startup: ActivClient Agent.lnk = C:\Program Files\ActivIdentity\ActivClient\acsagent.exe
O4 - Global Startup: Digital Line Detect.lnk = ?
O8 - Extra context menu item: Add to Google Photos Screensa&ver - res://C:\WINDOWS\system32\GPhotos.scr/200
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~4\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {9239E4EC-C9A6-11D2-A844-00C04F68D538} - (no file)
O9 - Extra button: MoneySide - {E023F504-0C5A-4750-A1E7-A9046DEA8A21} - C:\Program Files\Microsoft Money\System\mnyside.dll
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
O9 - Extra button: (no name) - {638F11AA-DF27-433b-BA2E-7281CE561D71} - C:\Program Files\Xmarks\IE Extension\xmarkssync.exe (HKCU)
O9 - Extra 'Tools' menuitem: Xmarks for IE... - {638F11AA-DF27-433b-BA2E-7281CE561D71} - C:\Program Files\Xmarks\IE Extension\xmarkssync.exe (HKCU)
O15 - Trusted Zone: http://www.freshtracksmusic.com
O15 - Trusted Zone: http://www.homesdatabase.com
O15 - Trusted Zone: www.kayak.com
O15 - Trusted Zone: http://*.mcafee.com
O16 - DPF: {4ED9DDF0-7479-4BBE-9335-5A1EDB1D8A21} -
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.micros...b?1254514359267
O16 - DPF: {94B82441-A413-4E43-8422-D49930E69764} - https://webchat.dell...t/TLIEFlash.CAB
O16 - DPF: {BCC0FF27-31D9-4614-A68E-C18E1ADA4389} - http://bin.mcafee.co...,16/mcgdmgr.cab
O18 - Protocol: dssrequest - {5513F07E-936B-4E52-9B00-067394E91CC5} - c:\PROGRA~1\mcafee\SITEAD~1\mcieplg.dll
O18 - Protocol: sacore - {5513F07E-936B-4E52-9B00-067394E91CC5} - c:\PROGRA~1\mcafee\SITEAD~1\mcieplg.dll
O20 - Winlogon Notify: ackpbsc - C:\WINDOWS\system32\ackpbsc.dll
O20 - Winlogon Notify: acunlock - C:\Program Files\ActivIdentity\ActivClient\acunlock.dll
O22 - SharedTaskScheduler: Browseui preloader - {438755C2-A8BA-11D1-B96B-00A0C90312E1} - C:\WINDOWS\System32\browseui.dll
O22 - SharedTaskScheduler: Component Categories cache daemon - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\WINDOWS\System32\browseui.dll
O23 - Service: ActivClient Middleware Service (accoca) - ActivIdentity - C:\Program Files\ActivIdentity\ActivClient\accoca.exe
O23 - Service: D-Link Configuration Service (ACS) - Unknown owner - C:\WINDOWS\system32\acs.exe
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\AppleMobileDeviceService.exe
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\System32\Ati2evxx.exe
O23 - Service: Bonjour Service - Apple Inc. - C:\Program Files\Bonjour\mDNSResponder.exe
O23 - Service: Canon Camera Access Library 8 (CCALib8) - Canon Inc. - C:\Program Files\Canon\CAL\CALMAIN.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\1150\Intel 32\IDriverT.exe
O23 - Service: Intuit Update Service (IntuitUpdateService) - Intuit Inc. - C:\Program Files\Common Files\Intuit\Update Service\IntuitUpdateService.exe
O23 - Service: iPod Service - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: McAfee SiteAdvisor Service - McAfee, Inc. - C:\Program Files\McAfee\SiteAdvisor\McSACore.exe
O23 - Service: McAfee Services (mcmscsvc) - McAfee, Inc. - C:\PROGRA~1\McAfee\MSC\mcmscsvc.exe
O23 - Service: McAfee Network Agent (McNASvc) - McAfee, Inc. - c:\PROGRA~1\COMMON~1\mcafee\mna\mcnasvc.exe
O23 - Service: McAfee Scanner (McODS) - McAfee, Inc. - C:\PROGRA~1\McAfee\VIRUSS~1\mcods.exe
O23 - Service: McAfee Proxy Service (McProxy) - McAfee, Inc. - c:\PROGRA~1\COMMON~1\mcafee\mcproxy\mcproxy.exe
O23 - Service: McAfee Real-time Scanner (McShield) - McAfee, Inc. - C:\PROGRA~1\McAfee\VIRUSS~1\mcshield.exe
O23 - Service: McAfee SystemGuards (McSysmon) - McAfee, Inc. - C:\PROGRA~1\McAfee\VIRUSS~1\mcsysmon.exe
O23 - Service: McAfee Personal Firewall Service (MpfService) - McAfee, Inc. - C:\Program Files\McAfee\MPF\MPFSrv.exe
O23 - Service: MSCSPTISRV - Sony Corporation - C:\Program Files\Common Files\Sony Shared\AVLib\MSCSPTISRV.exe
O23 - Service: PACSPTISVR - Sony Corporation - C:\Program Files\Common Files\Sony Shared\AVLib\PACSPTISVR.exe
O23 - Service: Sony SPTI Service (SPTISRV) - Sony Corporation - C:\Program Files\Common Files\Sony Shared\AVLib\SPTISRV.exe
O23 - Service: Viewpoint Manager Service - Viewpoint Corporation - C:\Program Files\Viewpoint\Common\ViewpointService.exe