Bonjour à tous,
Je poste de la part d'une amie dont le PC rame.
Son antivirus lui détecte et met en quarantaine quelques virus, ça fonctionne normalement pendant un court moment et çc recommence à ramer.
Merci à ceux qui voudront se pencher sur son problème.
Ci-dessous, son log hjt:

Logfile of Trend Micro HijackThis v2.0.0 (BETA)
Scan saved at 13:44:03, on 26/07/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
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\spoolsv.exe
c:\program files\fichiers communs\logishrd\lvmvfm\LVPrcSrv.exe
C:\WINDOWS\System32\Ati2evxx.exe
C:\Program Files\Securitoo\av_fw\Anti-Virus\fsgk32st.exe
C:\Program Files\Securitoo\av_fw\Anti-Virus\FSGK32.EXE
C:\Program Files\Securitoo\av_fw\Common\FSMA32.EXE
C:\WINDOWS\system32\HPConfig.exe
C:\Program Files\Securitoo\av_fw\Common\FSMB32.EXE
C:\Program Files\HPQ\Notebook Utilities\HPWirelessMgr.exe
C:\Program Files\Securitoo\av_fw\Common\FCH32.EXE
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Securitoo\av_fw\Common\FAMEH32.EXE
C:\Program Files\Securitoo\av_fw\Anti-Virus\fsqh.exe
C:\Program Files\Securitoo\av_fw\FSPC\fspc.exe
C:\Program Files\Securitoo\av_fw\FSAUA\program\fsaua.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Securitoo\av_fw\Anti-Virus\fssm32.exe
C:\Program Files\Securitoo\av_fw\FWES\Program\fsdfwd.exe
C:\Program Files\Securitoo\av_fw\FSAUA\program\fsus.exe
C:\WINDOWS\System32\wbem\wmiapsrv.exe
C:\WINDOWS\system32\carpserv.exe
C:\PROGRA~1\HPQ\ONE-TO~1\OneTouch.EXE
C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Program Files\HP\HP Software Update\HPWuSchd2.exe
C:\Program Files\HP\hpcoretech\hpcmpmgr.exe
C:\Program Files\Fichiers communs\LogiShrd\LComMgr\Communications_Helper.exe
C:\Program Files\Logitech\QuickCam10\QuickCam10.exe
C:\Program Files\Securitoo\av_fw\Common\FSM32.EXE
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
C:\Program Files\Securitoo\av_fw\Anti-Virus\fsav32.exe
C:\Program Files\MSN Messenger\msnmgr.exe
C:\Program Files\Securitoo\av_fw\FSGUI\fsguidll.exe
C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
C:\Program Files\Fichiers communs\LogiShrd\LComMgr\LVComSX.exe
C:\Program Files\HP\Digital Imaging\bin\hpqgalry.exe
C:\Program Files\Fichiers communs\Logishrd\LQCVFX\COCIManager.exe
C:\Program Files\IncrediMail\bin\IncMail.exe
C:\PROGRA~1\INCRED~1\bin\IMApp.exe
C:\Documents and Settings\LIORET\Bureau\HiJackThis_v2.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://mystart.incredimail.com/french
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.wanadoo.fr
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://search.presario.net/scripts [...] ch&ap=b204
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
F2 - REG:system.ini: UserInit=C:\WINDOWS\system32\Userinit.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) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: (no name) - {8533FAD9-08C4-43B1-8630-2D477658B314} - C:\WINDOWS\system32\pmnmm.dll
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Fichiers communs\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: (no name) - {938A8A03-A938-4019-B764-03FF8D167D79} - C:\WINDOWS\system32\hdqtltjc.dll
O2 - BHO: ST - {9394EDE7-C8B5-483E-8773-474BF36AF6E4} - C:\Program Files\MSN Apps\ST\01.03.0000.1005\en-xu\stmain.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar3.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\2.0.301.7164\swg.dll
O2 - BHO: MSNToolBandBHO - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.5000.1021\fr\msntb.dll
O2 - BHO: (no name) - {DC192567-65F9-4AB6-ADB7-E13575F81726} - C:\WINDOWS\system32\ddcyyxu.dll
O3 - Toolbar: MSN - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.5000.1021\fr\msntb.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar3.dll
O4 - HKLM\..\Run: [ATIModeChange] Ati2mdxx.exe
O4 - HKLM\..\Run: [AtiPTA] atiptaxx.exe
O4 - HKLM\..\Run: [CARPService] carpserv.exe
O4 - HKLM\..\Run: [PreloadApp] c:\hp\drivers\printers\photosmart\hphprld.exe c:\hp\drivers\printers\photosmart\setup.exe -d
O4 - HKLM\..\Run: [srmclean] C:\Cpqs\Scom\srmclean.exe
O4 - HKLM\..\Run: [Display Settings] C:\Program Files\HPQ\Notebook Utilities\hptasks.exe /s
O4 - HKLM\..\Run: [QT4HPOT] C:\PROGRA~1\HPQ\ONE-TO~1\OneTouch.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: [Cpqset] C:\Program Files\HPQ\Default Settings\cpqset.exe
O4 - HKLM\..\Run: [NeroCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [HP Software Update] "C:\Program Files\HP\HP Software Update\HPWuSchd2.exe"
O4 - HKLM\..\Run: [HP Component Manager] "C:\Program Files\HP\hpcoretech\hpcmpmgr.exe"
O4 - HKLM\..\Run: [ImInstaller_IncrediMail] C:\DOCUME~1\LIORET\LOCALS~1\Temp\ImInstaller\IncrediMail\IncrediMail_Install.exe -startup -product IncrediMail -skip_dialog info -skip_dialog language
O4 - HKLM\..\Run: [LogitechCommunicationsManager] "C:\Program Files\Fichiers communs\LogiShrd\LComMgr\Communications_Helper.exe"
O4 - HKLM\..\Run: [LogitechQuickCamRibbon] "C:\Program Files\Logitech\QuickCam10\QuickCam10.exe" /hide
O4 - HKLM\..\Run: [Salestart] "C:\Program Files\Fichiers communs\WinAntiVirus Pro 2007\mav_startupmon.exe"
O4 - HKLM\..\Run: [F-Secure Manager] "C:\Program Files\Securitoo\av_fw\Common\FSM32.EXE" /splash
O4 - HKLM\..\Run: [F-Secure TNB] "C:\Program Files\Securitoo\av_fw\FSGUI\TNBUtil.exe" /CHECKALL /WAITFORSW
O4 - HKLM\..\Run: [MemoryManager] rundll32.exe "C:\WINDOWS\system32\evhdpujl.dll",forkonce
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
O4 - HKCU\..\Run: [Spamihilator] "C:\Program Files\Spamihilator\spamihilator.exe"
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\MSN Messenger\msnmgr.exe" /background
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 - Global Startup: Booster Wanadoo.lnk = C:\Program Files\Booster Wanadoo\wanadoo_booster.exe
O4 - Global Startup: Démarrage rapide du logiciel HP Image Zone.lnk = C:\Program Files\HP\Digital Imaging\bin\hpqthb08.exe
O4 - Global Startup: HP Digital Imaging Monitor.lnk = C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: PhotoFiltre
O9 - Extra button: Sites Perso - {06FE5D05-8F11-11d2-804F-00105A133818} - http://compaqnet.ifrance.com/heberg/accueil (file missing)
O9 - Extra 'Tools' menuitem: Compaq France - {06FE5D05-8F11-11d2-804F-00105A133818} - http://compaqnet.ifrance.com/heberg/accueil (file missing)
O9 - Extra button: Parental... - {200DB664-75B5-47c0-8B45-A44ACCF73C00} - C:\Program Files\Securitoo\av_fw\FSPC\fspcmsie.dll
O9 - Extra button: (no name) - {200DB664-75B5-47c0-8B45-A44ACCF73F01} - C:\Program Files\Securitoo\av_fw\FSPC\fspcmsie.dll
O9 - Extra 'Tools' menuitem: Parental... - {200DB664-75B5-47c0-8B45-A44ACCF73F01} - C:\Program Files\Securitoo\av_fw\FSPC\fspcmsie.dll
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
O14 - IERESET.INF: START_PAGE_URL=http://www.wanadoo.fr
O16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) - http://messenger.zone.msn.com/bina [...] b56907.cab
O20 - Winlogon Notify: ddcyyxu - C:\WINDOWS\SYSTEM32\ddcyyxu.dll
O20 - Winlogon Notify: pmnmm - C:\WINDOWS\system32\pmnmm.dll
O22 - SharedTaskScheduler: Pré-chargeur Browseui - {438755C2-A8BA-11D1-B96B-00A0C90312E1} - C:\WINDOWS\System32\browseui.dll
O22 - SharedTaskScheduler: Démon de cache des catégories de composant - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\WINDOWS\System32\browseui.dll
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\System32\Ati2evxx.exe
O23 - Service: Service d'administration du Gestionnaire de disque logique (dmadmin) - Unknown owner - C:\WINDOWS\System32\dmadmin.exe
O23 - Service: DomainService - Unknown owner - C:\WINDOWS\system32\jcqcyawx.exe (file missing)
O23 - Service: Journal des événements (Eventlog) - Unknown owner - C:\WINDOWS\system32\services.exe
O23 - Service: FSGKHS (F-Secure Gatekeeper Handler Starter) - Unknown owner - C:\Program Files\Securitoo\av_fw\Anti-Virus\fsgk32st.exe
O23 - Service: F-Secure Automatic Update Agent (FSAUA) - F-Secure Corporation - C:\Program Files\Securitoo\av_fw\FSAUA\program\fsaua.exe
O23 - Service: F-Secure Anti-Virus Firewall Daemon (FSDFWD) - F-Secure Corporation - C:\Program Files\Securitoo\av_fw\FWES\Program\fsdfwd.exe
O23 - Service: F-Secure Management Agent (FSMA) - F-Secure Corporation - C:\Program Files\Securitoo\av_fw\Common\FSMA32.EXE
O23 - Service: HP Configuration Interface Service (HPConfig) - Hewlett-Packard - C:\WINDOWS\system32\HPConfig.exe
O23 - Service: HPWirelessMgr - Hewlett-Packard Co. - C:\Program Files\HPQ\Notebook Utilities\HPWirelessMgr.exe
O23 - Service: Service COM de gravage de CD IMAPI (ImapiService) - Unknown owner - C:\WINDOWS\System32\imapi.exe
O23 - Service: Process Monitor (LVPrcSrv) - Logitech Inc. - c:\program files\fichiers communs\logishrd\lvmvfm\LVPrcSrv.exe
O23 - Service: LVSrvLauncher - Logitech Inc. - C:\Program Files\Fichiers communs\LogiShrd\SrvLnch\SrvLnch.exe
O23 - Service: Partage de Bureau à distance NetMeeting (mnmsrvc) - Unknown owner - C:\WINDOWS\System32\mnmsrvc.exe
O23 - Service: Plug-and-Play (PlugPlay) - Unknown owner - C:\WINDOWS\system32\services.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\System32\HPZipm12.exe
O23 - Service: Gestionnaire de session d'aide sur le Bureau à distance (RDSessMgr) - Unknown owner - C:\WINDOWS\system32\sessmgr.exe
O23 - Service: Carte à puce (SCardSvr) - Unknown owner - C:\WINDOWS\System32\SCardSvr.exe
O23 - Service: Journaux et alertes de performance (SysmonLog) - Unknown owner - C:\WINDOWS\system32\smlogsvc.exe
O23 - Service: Cliché instantané de volume (VSS) - Unknown owner - C:\WINDOWS\System32\vssvc.exe
O23 - Service: Carte de performance WMI (WmiApSrv) - Unknown owner - C:\WINDOWS\System32\wbem\wmiapsrv.exe
O23 - Service: Service Partage réseau du Lecteur Windows Media (WMPNetworkSvc) - Unknown owner - C:\Program Files\Windows Media Player\WMPNetwk.exe

--
End of file - 11378 bytes

A bientôt, encore merci.

ps : tu as quoi comme anti virus fait un scan avec un anti virus en ligne comme
http://www.secuser.com/antivirus/index.htm ou celui ci
http://www.zebulon.fr/outils/antiv [...] -ligne.php

Pas le temps de me retourner et déjà une réponse!
Merci à toi scorpion12, je vais suivre tes bons conseils, et je reviens donner des nouvelles.
Oui, je me suis aperçu trop tard que j'avais posté "à côté".
Encore merci.