Been working on a clients computer.
They have been infected with what has been classified as backdoorthunk.e
Spyware Doctor and Kaspersky both find infection, but it is never removed fully.

No help found yet on the web.

Here's the Hijackthis Log

Logfile of HijackThis v1.99.1
Scan saved at 2:38:51 PM, on 11/9/2006
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\svchost.exe
C:\winnt\system32\spoolsv.exe
C:\WINNT\System32\3Com_DMI\3CDMINIC.EXE
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINNT\System32\svchost.exe
C:\Program Files\GeoGraphix\Tools\GGXNASrv.exe
C:\WINNT\System32\spool\drivers\w32x86\hpzstatn.exe
C:\Program Files\Ahead\InCD\InCDsrv.exe
c:\PROGRA~1\mcafee.com\vso\mcshield.exe
c:\PROGRA~1\mcafee.com\agent\mctskshd.exe
C:\winnt\System32\mgabg.exe
C:\Program Files\Norton SystemWorks\Norton Utilities\NPROTECT.EXE
C:\winnt\system32\HPZipm12.exe
C:\Program Files\Promise\Utility\MsgAgt.exe
C:\Program Files\Promise\Utility\MsgSvr.exe
C:\winnt\system32\regsvc.exe
C:\winnt\system32\MSTask.exe
C:\Program Files\Spyware Doctor\sdhelp.exe
C:\PROGRA~1\NORTON~1\SPEEDD~1\nopdb.exe
C:\Program Files\GeoGraphix\AdaptiveServer70\win32\dbsrv7.exe
C:\winnt\system32\stisvc.exe
C:\Program Files\Belkin Bulldog Plus\upsd.exe
C:\winnt\system32\svchost.exe
C:\Program Files\GeoGraphix\Tools\GeoSync.exe
C:\winnt\Explorer.EXE
C:\WINNT\System32\PDesk.exe
C:\PROGRA~1\MOUSEW~1\SYSTEM\EM_EXEC.EXE
C:\winnt\system32\SxgTkBar.exe
C:\WINNT\System32\hpha1mon.exe
C:\Program Files\HP\HP Software Update\HPWuSchd2.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\Spyware Doctor\swdoctor.exe
C:\Program Files\Registry Clean Expert\RCScheduler.exe
C:\Program Files\Cloudmark\SpamNet\OE\snoe.exe
C:\Program Files\Outlook Express\msimn.exe
C:\Program Files\GeoGraphix\Tools\ProjectExplorer.exe
C:\Program Files\GeoGraphix\Tools\ProjectManager.exe
C:\Program Files\Adobe\Acrobat 5.0\Reader\AcroRd32.exe
E:\HijackThis.exe

O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: PCTools Site Guard - {5C8B2A36-3DB1-42A4-A3CB-D426709BBFEB} - C:\PROGRA~1\SPYWAR~1\tools\iesdsg.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: McAfee VirusScan - {BA52B914-B692-46c4-B683-905236F6F655} - c:\progra~1\mcafee.com\vso\mcvsshl.dll
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [Matrox Powerdesk] C:\WINNT\System32\PDesk.exe /Autolaunch
O4 - HKLM\..\Run: [EM_EXEC] C:\PROGRA~1\MOUSEW~1\SYSTEM\EM_EXEC.EXE
O4 - HKLM\..\Run: [TCASUTIEXE] TCAUDIAG -off
O4 - HKLM\..\Run: [SxgTkBar] SxgTkBar.exe
O4 - HKLM\..\Run: [hpfsched] C:\WINNT\hpfsched.exe
O4 - HKLM\..\Run: [HPHA1MON] C:\WINNT\System32\hpha1mon.exe
O4 - HKLM\..\Run: [NeroCheck] C:\winnt\system32\\NeroCheck.exe
O4 - HKLM\..\Run: [HP Software Update] C:\Program Files\HP\HP Software Update\HPWuSchd2.exe
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [KAVPersonal50] "C:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus Personal\kav.exe" /minimize
O4 - HKLM\..\Run: [MCUpdateExe] c:\PROGRA~1\mcafee.com\agent\mcupdate.exe
O4 - HKCU\..\Run: [Spyware Doctor] "C:\Program Files\Spyware Doctor\swdoctor.exe" /Q
O4 - HKCU\..\Run: [RegClean Expert Scheduler] "C:\Program Files\Registry Clean Expert\RCScheduler.exe" /startup
O4 - Global Startup: Cloudmark Desktop for Outlook Express.lnk = C:\Program Files\Cloudmark\SpamNet\OE\snoe.exe
O9 - Extra button: Spyware Doctor - {2D663D1A-8670-49D9-A1A5-4C56B4E14E84} - C:\PROGRA~1\SPYWAR~1\tools\iesdpb.dll
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\winnt\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\winnt\web\related.htm
O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O12 - Plugin for .tif: C:\Program Files\BlackIce\Black Ice Tiff Viewer\npbitiff.dll
O12 - Plugin for .tiff: C:\Program Files\BlackIce\Black Ice Tiff Viewer\npbitiff.dll
O16 - DPF: {02A08EC5-C341-4BE5-AD4F-62215D2407EF} (ApplicationSharing Class) - https://wip3.webdialogs.com/components/WDATL70.CAB
O16 - DPF: {0EB0E74A-2A76-4AB3-A7FB-9BD8C29F7F75} (CKAVWebScan Object) - http://www.kaspersky.com/kos/english/kavwebscan_unicode.cab
O16 - DPF: {1EF9F042-C2EB-4293-8213-474CAEEF531D} (TmHcmsX Control) - http://www.trendsecure.com/service_compone…vex/TmHcmsX.CAB
O16 - DPF: {36C417C6-13C6-448B-9784-DD73A93B0582} (McAfee.com Download+Installer Class) - http://bin.mcafee.com/molbin/shared/mcinsc…55/mcinsctl.cab
O16 - DPF: {4ED9DDF0-7479-4BBE-9335-5A1EDB1D8A21} (McAfee.com Operating System Class) - http://bin.mcafee.com/molbin/shared/mcinsc…72/mcinsctl.cab
O16 - DPF: {5ED80217-570B-4DA9-BF44-BE107C0EC166} (Windows Live Safety Center Base Module) - http://cdn.scan.safety.live.com/resource/d…lscbase8460.cab
O16 - DPF: {90A29DA5-D020-4B18-8660-6689520C7CD7} (DmiReader Class) - http://ftp.us.dell.com/fixes/PROFILER.CAB
O16 - DPF: {BCC0FF27-31D9-4614-A68E-C18E1ADA4389} (DwnldGroupMgr Class) - http://bin.mcafee.com/molbin/shared/mcgdmg…,16/mcgdmgr.cab
O16 - DPF: {DA28C54E-D95C-11D3-9A01-005004677EF4} - http://download.mcafee.com/molbin/clinic/CDM/McCDM.cab
O16 - DPF: {DC187740-46A9-11D5-A815-00B0D0428C0C} - http://63.167.55.62/thinanywhere/downloads…NoMSI/setup.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{9E6F0B02-C166-4A4F-8FB8-008B65D48505}: NameServer = 66.75.160.15,66.75.160.16
O23 - Service: 3Com DMI Agent (3ComDMIService) - 3Com Corporation - C:\WINNT\System32\3Com_DMI\3CDMINIC.EXE
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: Logical Disk Manager Administrative Service (dmadmin) - VERITAS Software Corp. - C:\winnt\System32\dmadmin.exe
O23 - Service: GGX List Service (v2) - Landmark Graphics Corporation - C:\Program Files\GeoGraphix\Tools\GeoSync.exe
O23 - Service: GGX Network Access Service - Landmark Graphics Corporation - C:\Program Files\GeoGraphix\Tools\GGXNASrv.exe
O23 - Service: Printer Status Server (hpzstatn) - Hewlett-Packard Company - C:\WINNT\System32\spool\drivers\w32x86\hpzstatn.exe
O23 - Service: InCD Helper (InCDsrv) - AHEAD Software - C:\Program Files\Ahead\InCD\InCDsrv.exe
O23 - Service: kavsvc - Kaspersky Lab - C:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus Personal\kavsvc.exe
O23 - Service: McAfee.com McShield (McShield) - McAfee Inc. - c:\PROGRA~1\mcafee.com\vso\mcshield.exe
O23 - Service: McAfee Task Scheduler (McTskshd.exe) - McAfee, Inc - c:\PROGRA~1\mcafee.com\agent\mctskshd.exe
O23 - Service: McAfee SecurityCenter Update Manager (mcupdmgr.exe) - McAfee, Inc - C:\PROGRA~1\McAfee.com\Agent\mcupdmgr.exe
O23 - Service: MGABGEXE - Matrox Graphics Inc. - C:\winnt\System32\mgabg.exe
O23 - Service: MLNU - Sysinternals - www.sysinternals.com - C:\DOCUME~1\bhurst\LOCALS~1\Temp\MLNU.exe
O23 - Service: Norton Unerase Protection (NProtectService) - Symantec Corporation - C:\Program Files\Norton SystemWorks\Norton Utilities\NPROTECT.EXE
O23 - Service: PGWFHMAYS - Sysinternals - www.sysinternals.com - C:\DOCUME~1\bhurst\LOCALS~1\Temp\PGWFHMAYS.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\winnt\system32\HPZipm12.exe
O23 - Service: Promise RAID message agent (RAIDmAgt) - Unknown owner - C:\Program Files\Promise\Utility\MsgAgt.exe
O23 - Service: Promise RAID message server (RAIDmSvr) - Unknown owner - C:\Program Files\Promise\Utility\MsgSvr.exe
O23 - Service: PC Tools Spyware Doctor (SDhelper) - PC Tools Research Pty Ltd - C:\Program Files\Spyware Doctor\sdhelp.exe
O23 - Service: Speed Disk service - Symantec Corporation - C:\PROGRA~1\NORTON~1\SPEEDD~1\nopdb.exe
O23 - Service: GGX Database Service (SQLANYs_GGX) - Unknown owner - C:\Program Files\GeoGraphix\AdaptiveServer70\win32\dbsrv7.exe" -hvSQLANYs_GGX (file missing)
O23 - Service: UPS - UPSentry Service (UPSentry_Smart) - Delta - C:\Program Files\Belkin Bulldog Plus\upsd.exe

help would be appreciated.
Client needs to keep information on computer, format not an option.