Tout d'abord merci de ta réponse. je vais essayer de faire les manips que tu m'as indiqué, enfin ce que j'en ai compris (je n'ai pas compris l'utilisation de la clé usb, ça ne risque pas de l'infecter aussi ?)
voilà donc le scan hijackthis
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 22:17:32, on 25/06/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Boot mode: Normal
Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\csrss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\savedump.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\S24EvMon.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\Programme Cha\antivirus\aawservice.exe
C:\Programme Cha\antivirus\avast\aswUpdSv.exe
C:\Programme Cha\antivirus\avast\ashServ.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Adobe\Adobe Version Cue CS2\bin\VersionCueCS2.exe
C:\Programme Cha\antivirus\Personal Firewall\kpf4ss.exe
C:\WINDOWS\System32\RegSrvc.exe
C:\Program Files\Spyware Doctor\pctsAuxs.exe
C:\Program Files\Spyware Doctor\pctsSvc.exe
C:\Program Files\Adobe\Adobe Version Cue CS2\data\database\bin\mysqld-nt.exe
C:\WINDOWS\system32\ZCfgSvc.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\System32\svchost.exe
C:\Programme Cha\antivirus\avast\setup\avast.setup
C:\Program Files\Spyware Doctor\pctsTray.exe
C:\WINDOWS\System32\wdfmgr.exe
C:\Program Files\SigmaTel\Pilotes Audio SigmaTel AC97\stacmon.exe
C:\WINDOWS\System32\hkcmd.exe
C:\PROGRA~2\ANTIVI~1\avast\ashDisp.exe
C:\Program Files\HP\hpcoretech\hpcmpmgr.exe
C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb10.exe
C:\Program Files\Hewlett-Packard\HP Software Update\HPWuSchd2.exe
C:\Programme Cha\Musique\iTunesHelper.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\Program Files\EPSON\Creativity Suite\Event Manager\EEventManager.exe
C:\Program Files\Adobe\Adobe Version Cue CS2\ControlPanel\VersionCueCS2Tray.exe
C:\Program Files\Enigma Software Group\SpyHunter\SpyHunter3.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programme Cha\Utilitaire\SuperCopier2\SuperCopier2.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Programme Cha\Utilitaire\DAEMON Tools Lite\daemon.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
C:\Programme Cha\Musique\Last.fm\LastFMHelper.exe
C:\Documents and Settings\boutboul\Bureau\HiJackThis.exe
C:\WINDOWS\System32\wbem\wmiprvse.exe
C:\Programme Cha\Utilitaire\Digital Imaging\bin\hpqgalry.exe
C:\Programme Cha\antivirus\avast\ashMaiSv.exe
C:\Programme Cha\antivirus\avast\ashWebSv.exe
C:\Program Files\Spyware Doctor\pctsGui.exe
C:\Program Files\iPod\bin\iPodService.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://french.ircfast2.com/index.php?rvs=hompag
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = *.local
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
F2 - REG:system.ini: UserInit=C:\WINDOWS\system32\userinit.exe,C:\WINDOWS\system32\secpol.exe,
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Programme Cha\antivirus\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O4 - HKLM\..\Run: [SigmaTel StacMon] C:\Program Files\SigmaTel\Pilotes Audio SigmaTel AC97\stacmon.exe
O4 - HKLM\..\Run: [PRONoMgr.exe] c:\Program Files\Intel\PROSetWireless\NCS\PROSet\PRONoMgr.exe
O4 - HKLM\..\Run: [IgfxTray] C:\WINDOWS\System32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\System32\hkcmd.exe
O4 - HKLM\..\Run: [avast!] C:\PROGRA~2\ANTIVI~1\avast\ashDisp.exe
O4 - HKLM\..\Run: [HP Component Manager] "C:\Program Files\HP\hpcoretech\hpcmpmgr.exe"
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb10.exe
O4 - HKLM\..\Run: [HP Software Update] "C:\Program Files\Hewlett-Packard\HP Software Update\HPWuSchd2.exe"
O4 - HKLM\..\Run: [iTunesHelper] "C:\Programme Cha\Musique\iTunesHelper.exe"
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [EEventManager] C:\Program Files\EPSON\Creativity Suite\Event Manager\EEventManager.exe
O4 - HKLM\..\Run: [Adobe Version Cue CS2] "C:\Program Files\Adobe\Adobe Version Cue CS2\ControlPanel\VersionCueCS2Tray.exe"
O4 - HKLM\..\Run: [SpyHunter Security Suite] C:\Program Files\Enigma Software Group\SpyHunter\SpyHunter3.exe
O4 - HKLM\..\Run: [ISTray] "C:\Program Files\Spyware Doctor\pctsTray.exe"
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [SuperCopier2.exe] C:\Programme Cha\Utilitaire\SuperCopier2\SuperCopier2.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [DAEMON Tools Lite] "C:\Programme Cha\Utilitaire\DAEMON Tools Lite\daemon.exe" -autorun
O4 - HKCU\..\RunOnce: [FFTI] C:\Documents and Settings\boutboul\Application Data\Mozilla\Firefox\Profiles\0l47rxmg.default\extensions\{B13721C7-F507-4982-B2E5-502A71474FED}\ffti.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /DestPath="C:\Documents and Settings\boutboul\Application Data\Mozilla\Firefox\Profiles/0l47rxmg.default\extensions\{B13721C7-F507-4982-B2E5-502A71474FED}"
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: Adobe Gamma.lnk = C:\Program Files\Fichiers communs\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: Démarrage rapide du logiciel HP Image Zone.lnk = C:\Programme Cha\Utilitaire\Digital Imaging\bin\hpqthb08.exe
O4 - Global Startup: Lancement rapide d'Adobe Reader.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Last.fm Helper.lnk = C:\Programme Cha\Musique\Last.fm\LastFMHelper.exe
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~2\UTILIT~1\MICROS~1\Office10\EXCEL.EXE/3000
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~2\UTILIT~1\MICROS~1\Office12\EXCEL.EXE/3000
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~2\UTILIT~1\MICROS~1\Office12\REFIEBAR.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
O17 - HKLM\System\CCS\Services\Tcpip\..\{737FE387-1B4C-423E-8977-F0D8C5D14C11}: NameServer = 193.252.19.3
O17 - HKLM\System\CS1\Services\Tcpip\..\{4F5BFD0C-F9B5-4C76-8B42-48B0B7FBABDE}: NameServer = 212.27.53.252,212.27.54.252
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\FICHIE~1\Skype\SKYPE4~1.DLL
O20 - Winlogon Notify: fsmgmt - C:\WINDOWS\SYSTEM32\fsmgmt.dll
O23 - Service: Ad-Aware 2007 Service (aawservice) - Lavasoft - C:\Programme Cha\antivirus\aawservice.exe
O23 - Service: Adobe LM Service - Adobe Systems - C:\Program Files\Fichiers communs\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: Adobe Version Cue CS2 - Adobe Systems Incorporated - C:\Program Files\Adobe\Adobe Version Cue CS2\bin\VersionCueCS2.exe
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Programme Cha\antivirus\avast\aswUpdSv.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Programme Cha\antivirus\avast\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - C:\Programme Cha\antivirus\avast\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Programme Cha\antivirus\avast\ashWebSv.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\1150\Intel 32\IDriverT.exe
O23 - Service: Service de l'iPod (iPod Service) - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: Sunbelt Kerio Personal Firewall 4 (KPF4) - Sunbelt Software - C:\Programme Cha\antivirus\Personal Firewall\kpf4ss.exe
O23 - Service: MSCSPTISRV - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\AVLib\MSCSPTISRV.exe
O23 - Service: PACSPTISVR - Unknown owner - C:\Program Files\Fichiers communs\Sony Shared\AVLib\PACSPTISVR.exe
O23 - Service: RegSrvc - Intel Corporation - C:\WINDOWS\System32\RegSrvc.exe
O23 - Service: Spectrum24 Event Monitor (S24EventMonitor) - Intel Corporation - C:\WINDOWS\System32\S24EvMon.exe
O23 - Service: PC Tools Auxiliary Service (sdAuxService) - PC Tools - C:\Program Files\Spyware Doctor\pctsAuxs.exe
O23 - Service: PC Tools Security Service (sdCoreService) - PC Tools - C:\Program Files\Spyware Doctor\pctsSvc.exe
O23 - Service: SonicStage Back-End Service - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\AVLib\SsBeSvc.exe
O23 - Service: Sony SPTI Service (SPTISRV) - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\AVLib\SPTISRV.exe
O23 - Service: SonicStage SCSI Service (SSScsiSV) - Sony Corporation - C:\Program Files\Fichiers communs\Sony Shared\AVLib\SSScsiSV.exe
End of file - 9490 bytes