ALERTE TROJAN INCONNU

Bonjour,
J ai recu la visite d 'un trojan inconnu , qui se lance sans arret lorsque je lance internet explorer ( et pas lorsque je lance mozilla )
j ai fait hijack this (voir le rapport )
mais que dois je faire apres

Suite du message precedent
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 03:28:11, on 05/01/2008
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\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\PROGRA~1\FICHIE~1\AOL\ACS\AOLacsd.exe
C:\Program Files\WIDCOMM\Logiciel Bluetooth\bin\btwdins.exe
C:\Program Files\Fichiers communs\LightScribe\LSSrvc.exe
C:\Program Files\Fichiers communs\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Program Files\Java\jre1.6.0_03\bin\jusched.exe
C:\Program Files\Hp\HP Software Update\HPWuSchd2.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Program Files\hpq\HP Wireless Assistant\HP Wireless Assistant.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\Program Files\QuickTime\qttask.exe
C:\hp\drivers\hplsbwatcher\lsburnwatcher.exe
C:\Program Files\HPQ\Quick Launch Buttons\EabServr.exe
C:\Program Files\ICQLite\ICQLite.exe
C:\Program Files\Fichiers communs\AOL\ACS\AOLDial.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\docume~1\adevah~1\locals~1\temp\secuufd.exe
C:\WINDOWS\vspc1300.exe
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
C:\Program Files\WIDCOMM\Logiciel Bluetooth\BTTray.exe
C:\Program Files\FinePixViewer\QuickDCF.exe
C:\Program Files\Philips\Philips SPC1300NC Webcam\TrayMin1300.exe
C:\Program Files\Sony\Sony Picture Utility\VolumeWatcher\SPUVolumeWatcher.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\PROGRA~1\WIDCOMM\LOGICI~1\BTSTAC~1.EXE
C:\Program Files\HPQ\SHARED\HPQWMI.exe
C:\Program Files\MSN Messenger\usnsvc.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Fichiers communs\Microsoft Shared\Windows Live\WLLoginProxy.exe
C:\Program Files\Windows Live Toolbar\msn_sl.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.msn.com/fr-fr
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = https://www8.hp.com/fr/fr/home.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = www.google.fr
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Internet Explorer par NUMERICABLE
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = 127.0.0.1
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_03\bin\ssv.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: Rates - {834B0DD4-3A68-4F58-B265-D9FDB3D8F88B} - C:\WINDOWS\toprates.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: 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: Windows Live Toolbar Helper - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\Windows Live Toolbar\msntb.dll
O3 - Toolbar: Vue HP - {B2847E28-5D7D-4DEB-8B67-05D28BCF79F5} - C:\Program Files\HP\Digital Imaging\bin\HPDTLK02.dll
O3 - Toolbar: BitComet Toolbar - {2E608F70-C430-4bc5-96F6-608E02EBA5B2} - C:\Program Files\BitComet Toolbar\v2.0.0.4\BitComet_Toolbar.dll (file missing)
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar3.dll
O3 - Toolbar: Windows Live Toolbar - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\Windows Live Toolbar\msntb.dll
O4 - HKLM\..\Run: [ATIPTA] "C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.6.0_03\bin\jusched.exe"
O4 - HKLM\..\Run: [HP Software Update] C:\Program Files\Hp\HP Software Update\HPWuSchd2.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [hpWirelessAssistant] C:\Program Files\hpq\HP Wireless Assistant\HP Wireless Assistant.exe
O4 - HKLM\..\Run: [iTunesHelper] C:\Program Files\iTunes\iTunesHelper.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [LSBWatcher] c:\hp\drivers\hplsbwatcher\lsburnwatcher.exe
O4 - HKLM\..\Run: [eabconfg.cpl] C:\Program Files\HPQ\Quick Launch Buttons\EabServr.exe /Start
O4 - HKLM\..\Run: [REGSHAVE] C:\Program Files\REGSHAVE\REGSHAVE.EXE /AUTORUN
O4 - HKLM\..\Run: [ICQ Lite] C:\Program Files\ICQLite\ICQLite.exe -minimize
O4 - HKLM\..\Run: [AOLDialer] C:\Program Files\Fichiers communs\AOL\ACS\AOLDial.exe
O4 - HKLM\..\Run: [Watch] C:\PROGRA~1\minitel\Watch.exe
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [AA_SecuUFD] c:\docume~1\adevah~1\locals~1\temp\secuufd.exe sys_auto_run C:\DOCUME~1\ADEVAH~1\LOCALS~1\Temp\
O4 - HKLM\..\Run: [SPC1300] C:\WINDOWS\vspc1300.exe
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.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 - S-1-5-18 Startup: AutoTBar.exe (User 'SYSTEM')
O4 - .DEFAULT Startup: AutoTBar.exe (User 'Default user')
O4 - .DEFAULT User Startup: AutoTBar.exe (User 'Default user')
O4 - Startup: Outil de détection de support de Cyber-shot Viewer.lnk = C:\Program Files\Sony\Sony Picture Utility\VolumeWatcher\SPUVolumeWatcher.exe
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Program Files\Fichiers communs\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: BTTray.lnk = ?
O4 - Global Startup: Exif Launcher.lnk = C:\Program Files\FinePixViewer\QuickDCF.exe
O4 - Global Startup: HP Digital Imaging Monitor.lnk = C:\Program Files\Hp\Digital Imaging\bin\hpqtra08.exe
O4 - Global Startup: TrayMin1300.lnk = ?
O8 - Extra context menu item: &Windows Live Search - res://C:\Program Files\Windows Live Toolbar\msntb.dll/search.htm
O8 - Extra context menu item: Add to Windows &Live Favorites - https://onedrive.live.com/?id=favorites
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~3\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: Envoyer à &Bluetooth - C:\Program Files\WIDCOMM\Logiciel Bluetooth\btsendto_ie_ctx.htm
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_03\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_03\bin\ssv.dll
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\OFFICE11\REFIEBAR.DLL
O9 - Extra button: ICQ 4.1 - {B863453A-26C3-4e1f-A54D-A2CD196348E9} - C:\Program Files\ICQLite\ICQLite.exe
O9 - Extra 'Tools' menuitem: ICQ Lite - {B863453A-26C3-4e1f-A54D-A2CD196348E9} - C:\Program Files\ICQLite\ICQLite.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
O14 - IERESET.INF: START_PAGE_URL=https://www8.hp.com/fr/fr/home.html
O16 - DPF: {09C21411-B9A2-4DE6-8416-4E3B58577BE0} (France Telecom MDM ActiveX Control) - http://minitelweb.minitel.com/imin_data/ocx/MDM.cab
O16 - DPF: {104B0A37-AB99-4F06-8032-8BBDC3B77DDB} (Telechargement Control) - http://www4.photoweb.fr/telechargement/Photoweb_uploader.cab
O16 - DPF: {1F83CD9E-505E-4F87-BECE-0832A763E36F} (Image Uploader 3.0 Control) - http://www.mypixmania.com/fr/fr/importer/MypixUploader.cab
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://gfx1.hotmail.com/mail/w2/resources/MSNPUpld.cab
O16 - DPF: {5D6F45B3-9043-443D-A792-115447494D24} (UnoCtrl Class) - http://messenger.zone.msn.com/FR-FR/a-UNO1/GAME_UNO1.cab
O16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab56907.cab
O16 - DPF: {D7A4D8FB-83F0-40E5-954F-88F48D15AE96} (ICQVideoWindow Class) - http://xtraz.icq.com/xtraz/activex/ICQVideoControl.cab
O23 - Service: AOL Connectivity Service (AOL ACS) - America Online, Inc. - C:\PROGRA~1\FICHIE~1\AOL\ACS\AOLacsd.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: 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: Bluetooth Service (btwdins) - Broadcom Corporation. - C:\Program Files\WIDCOMM\Logiciel Bluetooth\bin\btwdins.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: HP WMI Interface (hpqwmi) - Hewlett-Packard Development Company, L.P. - C:\Program Files\HPQ\SHARED\HPQWMI.exe
O23 - Service: iPod Service (iPodService) - Apple Computer, Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - C:\Program Files\Fichiers communs\LightScribe\LSSrvc.exe
End of file - 11121 bytes

voici ce que donne hijack this
et apres