Espion(s) ou viru(s) sur windows xp

Bonjour,

Suite à une mise à jour du système windows XP SP3, une erreur est parvenue sur mon système.
Depuis, windows plante beaucoup et affiche ce papier peint :

[IMG]http://img413.imageshack.us/img413/2452/erreurdl9.jpg[/IMG]
J'ai essayé Adware et Spybot, une restauration à une date fixée : rien n'y fais.

Voici mon log HijackThis :
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 09:38:23, on 02/09/2008
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16705)
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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Lavasoft\Ad-Aware\aawservice.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\SOUNDMAN.EXE
C:\WINDOWS\system32\VTTimer.exe
C:\Program Files\VIA\RAID\raid_tool.exe
C:\WINDOWS\system32\SHVRTF.EXE
C:\Program Files\HP\HP Photosmart Pro B8300 series\Toolbox\HPWVTBX.exe
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\OpenOffice.org 2.0\program\soffice.exe
C:\Program Files\Taglio\WinRs\WinRs.exe
C:\Program Files\EPSON\ESM2\eEBSVC.exe
C:\Program Files\OpenOffice.org 2.0\program\soffice.BIN
C:\WINDOWS\system32\DRIVERS\CDANTSRV.EXE
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Taglio\Magic Tool\Magic Tool.exe
C:\Program Files\Alwil Software\Avast4\ashSimpl.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = https://www.msn.com/fr-fr/?ocid=iehp
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.msn.com/fr-fr/?ocid=iehp
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [VTTimer] VTTimer.exe
O4 - HKLM\..\Run: [RaidTool] C:\Program Files\VIA\RAID\raid_tool.exe
O4 - HKLM\..\Run: [Protect] SHVRTF.EXE
O4 - HKLM\..\Run: [HPWVTOOLBOX] C:\Program Files\HP\HP Photosmart Pro B8300 series\Toolbox\HPWVTBX.exe "-i"
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [lphcg19j0er35] C:\WINDOWS\system32\lphcg19j0er35.exe
O4 - HKLM\..\Run: [C:\WINDOWS\system32\kdiul.exe] C:\WINDOWS\system32\kdiul.exe
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE RÉSEAU')
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 - Startup: Adobe Gamma.lnk = C:\Program Files\Fichiers communs\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Startup: OpenOffice.org 2.0.lnk = C:\Program Files\OpenOffice.org 2.0\program\quickstart.exe
O4 - Startup: WinRS.lnk = C:\Program Files\Taglio\WinRs\WinRs.exe
O4 - Global Startup: EPSON Contrôle en arrière-plan.lnk = C:\Program Files\EPSON\ESM2\Stms.exe
O4 - Global Startup: Lancement rapide d'Adobe Reader.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
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
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://www.update.microsoft.com/...
O23 - Service: Lavasoft Ad-Aware Service (aawservice) - Lavasoft - C:\Program Files\Lavasoft\Ad-Aware\aawservice.exe
O23 - Service: Adobe LM Service - Adobe Systems - C:\Program Files\Fichiers communs\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: Autodesk Licensing Service - Autodesk - C:\Program Files\Fichiers communs\Autodesk Shared\Service\AdskScSrv.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: C-DillaSrv - C-Dilla Ltd - C:\WINDOWS\system32\DRIVERS\CDANTSRV.EXE
O23 - Service: EpsonBidirectionalService - Unknown owner - C:\Program Files\EPSON\ESM2\eEBSVC.exe
O23 - Service: SolidWorks Licensing Service - SolidWorks - C:\Program Files\Fichiers communs\SolidWorks Shared\Service\SolidWorksLicensing.exe