Un probleme avec virus PUP-gen

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 11::15::51, on 28/04/2010
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.20861)
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:\WINDOWS\system32\svchost.exe
C:\Program Files\Alwil Software\Avast5\AvastSvc.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Fichiers communs\LogiShrd\LVMVFM\LVPrcSrv.exe
C:\PROGRA~1\ALWILS~1\Avast5\avastUI.exe
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\Program Files\Microsoft\Search Enhancement Pack\SeaPort\SeaPort.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Internet Download Manager\IEMonitor.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Alwil Software\Avast5\afwServ.exe
C:\Program Files\Loaris Trojan Remover\TrojanRemover.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Download Manager\IDMan.exe
C:\Documents and Settings\Administrateur\Bureau\test.exe

O2 - BHO: IDM Helper - {0055C089-8582-441B-A0BF-17B458C2A3A8} - C:\Program Files\Internet Download Manager\IDMIECC.dll
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Documents and Settings\Administrateur\Bureau\backups\backup-20100113-115523-299.dll
O2 - BHO: AVG Security Toolbar - {A057A204-BACC-4D26-9990-79A187E2698E} - C:\DOCUME~1\ADMINI~1\Bureau\backups\BACKUP~4.DLL
O3 - Toolbar: AVG Security Toolbar - {A057A204-BACC-4D26-9990-79A187E2698E} - C:\DOCUME~1\ADMINI~1\Bureau\backups\BACKUP~4.DLL
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [avast5] C:\PROGRA~1\ALWILS~1\Avast5\avastUI.exe /nogui
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\Windows Live\Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [IDMan] C:\Program Files\Internet Download Manager\IDMan.exe /onboot
O4 - HKCU\..\Run: [Loaris Trojan Remover] "C:\Program Files\Loaris Trojan Remover\TrojanRemover.exe" 0
O8 - Extra context menu item: &Search - http://edits.mywebsearch.com/toolbaredits/menusearch.jhtml?s=100000334&p=ZCfox000&si=&a=9LZ3b61INQmXu9GB3iOY4Q&n=2010042407
O8 - Extra context menu item: Télécharger avec IDM - C:\Program Files\Internet Download Manager\IEExt.htm
O8 - Extra context menu item: Télécharger le contenu de video FLV avec IDM - C:\Program Files\Internet Download Manager\IEGetVL.htm
O8 - Extra context menu item: Télécharger tous les liens avec IDM - C:\Program Files\Internet Download Manager\IEGetAll.htm
O17 - HKLM\System\CCS\Services\Tcpip\..\{BB3306D4-8234-4ED2-BB53-435E6F9181FA}: NameServer = 41.221.20.4 66.28.0.45
O23 - Service: avast! Antivirus - ALWIL Software - C:\Program Files\Alwil Software\Avast5\AvastSvc.exe
O23 - Service: avast! Firewall - ALWIL Software - C:\Program Files\Alwil Software\Avast5\afwServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast5\AvastSvc.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast5\AvastSvc.exe
O23 - Service: Process Monitor (LVPrcSrv) - Logitech Inc. - C:\Program Files\Fichiers communs\LogiShrd\LVMVFM\LVPrcSrv.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe