I am running McAfee AV, Win Defender & SpyBot S&D. They have all found and deleted bits of the malware. Following this post I will be switching off this PC and will wait for some help.

Defenders latest reports:

Category:
Trojan Win32/Vundo.gen!G

Resources:
file:
C:\WINDOWS\system32\pewodajuX.dll
file:
C:\WINDOWS\system32\habayeso.dll

Category:
Trojan Win32/Vundo.gen!AH
Resources:
file:
C:\WINDOWS\system32\vupotiki.dll
file:
C:\WINDOWS\system32\sivujebi.dll
file:
C:\WINDOWS\system32\gakufisi.dll

Category:
Trojan Win32/Vundo.gen!AM
file:
C:\WINDOWS\system32\yirabiza.dll
file:
C:\WINDOWS\system32\setevari.dll

Then later...

C:\WINDOWS\system32\zedomafe.dll.tmp
C:\WINDOWS\system32\tagisoje.dll.tmp
C:\WINDOWS\system32\royubefe.dll.tmp
C:\WINDOWS\system32\ridihaka.dll.tmp
C:\WINDOWS\system32\kepumafo.dll.tmp

I have now rebooted and run HJT, renamed with my logon name:

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 23:13:08, on 03/01/2009
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16762)
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:\Program Files\Windows Defender\MsMpEng.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\crypserv.exe
C:\Program Files\Java\jre6\bin\jqs.exe
C:\PROGRA~1\McAfee\MSC\mcmscsvc.exe
c:\program files\common files\mcafee\mna\mcnasvc.exe
c:\PROGRA~1\COMMON~1\mcafee\mcproxy\mcproxy.exe
C:\PROGRA~1\McAfee\VIRUSS~1\mcshield.exe
C:\Program Files\Common Files\Microsoft Shared\VS7Debug\mdm.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Stunnel\stunnel-4.05.exe
C:\Program Files\McAfee\MPF\MPFSrv.exe
C:\PROGRA~1\McAfee\VIRUSS~1\mcsysmon.exe
C:\WINDOWS\system32\rundll32.exe
c:\PROGRA~1\mcafee.com\agent\mcagent.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Program Files\Windows Defender\MSASCui.exe
C:\Program Files\Java\jre6\bin\jusched.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
C:\Program Files\No-IP\DUC20.exe
C:\WINDOWS\system32\notepad.exe
C:\Program Files\Trend Micro\HijackThis\greeneyedman000.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.co.uk/intl/en/options/
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 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = *.local
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: Java(tm) Plug-In SSV Helper - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre6\bin\ssv.dll
O2 - BHO: scriptproxy - {7DB2D5A0-7241-4E79-B68D-6309F01C5231} - C:\Program Files\McAfee\VirusScan\scriptsn.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Program Files\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [Windows Defender] "C:\Program Files\Windows Defender\MSASCui.exe" -hide
O4 - HKLM\..\Run: [mcagent_exe] "C:\Program Files\McAfee.com\Agent\mcagent.exe" /runkey
O4 - HKLM\..\Run: [McENUI] C:\PROGRA~1\McAfee\MHN\McENUI.exe /hide
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre6\bin\jusched.exe"
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKCU\..\RunOnce: [DelayShred] "c:\program files\mcafee\mshr\ShrCL.EXE" /P7 /q C:\DOCUME~1\Graham\LOCALS~1\Temp\ADOBEL~1.SH! C:\DOCUME~1\Graham\LOCALS~1\Temp\AD5E0D~1.SH! C:\DOCUME~1\Graham\LOCALS~1\TEMPOR~1\Content.IE5\HG01AMIE\CJ_2_~1.SH! C:\DOCUME~1\Graham\LOCALS~1\TEMPOR~1\Content.IE5\UUZYHNHL\ADS_1_~1.SH! C:\DOCUME~1\Graham\LOCALS~1\TEMPOR~1\Content.IE5\HG01AMIE\CJ_1_~1.SH! C:\DOCUME~1\Graham\LOCALS~1\TEMPOR~1\Content.IE5\UUZYHNHL\CJ_1_~1.SH! C:\DOCUME~1\Graham\LOCALS~1\TEMPOR~1\Content.IE5\TQ7QF1IJ\ADS_1_~1.SH!
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe (User 'Default user')
O4 - Global Startup: No-IP DUC.lnk = C:\Program Files\No-IP\DUC20.exe
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.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
O16 - DPF: {4ED9DDF0-7479-4BBE-9335-5A1EDB1D8A21} (McAfee.com Operating System Class) - http://download.mcafee.com/molbin/sh...4/mcinsctl.cab
O16 - DPF: {AB86CE53-AC9F-449F-9399-D8ABCA09EC09} (Get_ActiveX Control) - https://h17000.www1.hp.com/ewfrf-JAV...oadManager.ocx
O16 - DPF: {BCC0FF27-31D9-4614-A68E-C18E1ADA4389} (DwnldGroupMgr Class) - http://download.mcafee.com/molbin/sh...21/mcgdmgr.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/ge...sh/swflash.cab
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: Crypkey License - CrypKey (Canada) Ltd. - C:\WINDOWS\SYSTEM32\crypserv.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Program Files\Java\jre6\bin\jqs.exe
O23 - Service: MBackMonitor - McAfee - C:\Program Files\McAfee\MBK\MBackMonitor.exe
O23 - Service: McAfee Services (mcmscsvc) - McAfee, Inc. - C:\PROGRA~1\McAfee\MSC\mcmscsvc.exe
O23 - Service: McAfee Network Agent (McNASvc) - McAfee, Inc. - c:\program files\common files\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: Mcsh55imiw - ATI Technologies Inc. - C:\WINDOWS\system32\drivers\atinttxx.sys
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: stunnel - Unknown owner - C:\Program Files\Stunnel\stunnel-4.05.exe

--
End of file - 6999 bytes