Cheval de troie ?

bonjour

Télécharge HijackThis (outils de dignostic) ici :

-> Fais un clic droit sur un des liens et choisi enregistrer la cible sous .... le bureau
-> http://www.trendsecure.com/portal/en-US/_download/HJTInstall.exe
-> ftp://ftp.commentcamarche.com/download/HJTInstall.exe

-> Fais un double-clic sur HJTInstall.exe afin de lancer l'installation

-> Clique sur Install ensuite sur I Accept

-> Clique sur Do a scan system and save log file

-> Le bloc-notes s'ouvrira, fais un copier-coller de tout son contenu ici dans ta prochaine réponse

SAlut,

Merci de ta rapidité,

Voici le rapport de Scan ( pour info, le 2eme lien pointe sur un exe qui est vide )

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 11:18:48, on 04/12/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16735)
Boot mode: Normal

Running processes:
H:\WINDOWS\System32\smss.exe
H:\WINDOWS\system32\winlogon.exe
H:\WINDOWS\system32\services.exe
H:\WINDOWS\system32\lsass.exe
H:\WINDOWS\system32\Ati2evxx.exe
H:\WINDOWS\system32\svchost.exe
H:\WINDOWS\System32\svchost.exe
H:\WINDOWS\system32\Ati2evxx.exe
H:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
H:\Program Files\Alwil Software\Avast4\ashServ.exe
H:\WINDOWS\Explorer.EXE
H:\WINDOWS\system32\spoolsv.exe
h:\program files\fichiers communs\logitech\lvmvfm\LVPrcSrv.exe
H:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
H:\WINDOWS\system32\ctfmon.exe
H:\PROGRA~1\FICHIE~1\France Telecom\Shared Modules\FTRTSVC\0\FTRTSVC.exe
H:\Program Files\Kerio\Personal Firewall 4\kpf4ss.exe
H:\WINDOWS\system32\PnkBstrA.exe
H:\Program Files\Kerio\Personal Firewall 4\kpf4gui.exe
H:\WINDOWS\System32\svchost.exe
H:\Program Files\Kerio\Personal Firewall 4\kpf4gui.exe
H:\WINDOWS\System32\svchost.exe
H:\WINDOWS\system32\wscntfy.exe
H:\Program Files\Windows Live\Messenger\usnsvc.exe
H:\Program Files\Orange\Launcher\Launcher.exe
H:\PROGRA~1\FICHIE~1\France Telecom\Shared Modules\AlertModule\0\AlertModule.exe
H:\Program Files\Orange\connectivity\connectivitymanager.exe
H:\Program Files\Orange\systray\systrayapp.exe
H:\Program Files\Orange\connectivity\CoreCom\CoreCom.exe
H:\Program Files\Orange\connectivity\CoreCom\OraConfigRecover.exe
H:\PROGRA~1\FICHIE~1\France Telecom\Shared Modules\FTCOMModule\0\FTCOMModule.exe
H:\WINDOWS\system32\WISPTIS.EXE
H:\WINDOWS\system32\lvcomsx.exe
H:\WINDOWS\system32\taskmgr.exe
H:\Program Files\Mozilla Firefox\firefox.exe
H:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.google.fr/?gws_rd=ssl
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: Search Class - {08C06D61-F1F3-4799-86F8-BE1A89362C85} - H:\Program Files\Orange\SearchURLHook\SearchPageURL.dll
O1 - Hosts: 127.255.255.255 serial.alcohol-soft.com
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - H:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: SpywareBlock Class - {0A87E45F-537A-40B4-B812-E2544C21A09F} - H:\Program Files\SpyCatcher\SCActiveBlock.dll (file missing)
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - H:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O4 - HKLM\..\Run: [QuickTime Task] "H:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [avast!] H:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [iTunesHelper] "H:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "H:\Program Files\Java\jre1.6.0_05\bin\jusched.exe"
O4 - HKCU\..\Run: [QuickTime Task] "H:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKCU\..\Run: [ctfmon.exe] H:\WINDOWS\system32\ctfmon.exe
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] H:\WINDOWS\System32\CTFMON.EXE (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] H:\WINDOWS\System32\CTFMON.EXE (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] H:\WINDOWS\System32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] H:\WINDOWS\System32\CTFMON.EXE (User 'Default user')
O8 - Extra context menu item: E&xport to Microsoft Excel - res://H:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://H:\PROGRA~1\MICROS~2\Office12\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - H:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - H:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - H:\PROGRA~1\MICROS~2\Office12\REFIEBAR.DLL
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - H:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - H:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - H:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - H:\Program Files\Messenger\msmsgs.exe
O15 - Trusted Zone: https://www.orange.fr/portail
O16 - DPF: {051D0E35-F4E3-4C8D-B411-AB0875F4C683} (Anark Client 4.0 ActiveX Control) - http://install.anark.com/client/version4/windows-ie/en/AMClient.cab
O16 - DPF: {6E5E167B-1566-4316-B27F-0DDAB3484CF7} (Image Uploader Control) - http://photo.laredoute.fr/ImageUploader4.cab
O16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab56907.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{DE3EC41F-D1D2-42B6-94B2-BA1143F2D719}: NameServer = 80.10.246.2,80.10.246.129
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - H:\PROGRA~1\FICHIE~1\Skype\SKYPE4~1.DLL
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - H:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - H:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - H:\WINDOWS\system32\ati2sgag.exe
O23 - Service: avast! Antivirus - ALWIL Software - H:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - H:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - H:\Program Files\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: France Telecom Routing Table Service (FTRTSVC) - France Telecom SA - H:\PROGRA~1\FICHIE~1\France Telecom\Shared Modules\FTRTSVC\0\FTRTSVC.exe
O23 - Service: Google Updater Service (gusvc) - Google - H:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - H:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: Kerio Personal Firewall 4 (KPF4) - Kerio Technologies - H:\Program Files\Kerio\Personal Firewall 4\kpf4ss.exe
O23 - Service: Logitech Process Monitor (LVPrcSrv) - Logitech Inc. - h:\program files\fichiers communs\logitech\lvmvfm\LVPrcSrv.exe
O23 - Service: PnkBstrA - Unknown owner - H:\WINDOWS\system32\PnkBstrA.exe

Idem pour moi, même problème, mais j'ai vu marqué dans des alertes kaspersky le nom de "turkojan"...

Logfile of HijackThis v1.99.1
Scan saved at 09:51:31, on 04/12/2008
Platform: Unknown Windows (WinNT 6.00.1904)
MSIE: Internet Explorer v7.00 (7.00.6000.16386)

Running processes:
C:\Windows\system32\Dwm.exe
C:\Windows\system32\taskeng.exe
C:\Windows\Explorer.EXE
C:\Program Files\Intel\Intel Matrix Storage Manager\IAAnotif.exe
C:\Program Files\Alwil Software\Avast4\ashDisp.exe
C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 2009\avp.exe
C:\Program Files\Windows Sidebar\sidebar.exe
C:\Program Files\Windows Media Player\wmpnscfg.exe
C:\Users\Dimitri\AppData\Local\Temp\Rar$EX00.439\HijackThis.­exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.google.fr/?gws_rd=ssl
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
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 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O1 - Hosts: ::1 localhost
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: IEVkbdBHO - {59273AB4-E7D3-40F9-A1A8-6FA9CCA1862C} - C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 2009\ievkbd.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0\bin\ssv.dll
O4 - HKLM\..\Run: [HWSetup] \HWSetup.exe hwSetUP
O4 - HKLM\..\Run: [IAAnotif] C:\Program Files\Intel\Intel Matrix Storage Manager\iaanotif.exe
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [AVP] "C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 2009\avp.exe"
O4 - HKCU\..\Run: [Sidebar] C:\Program Files\Windows Sidebar\sidebar.exe /autoRun
O4 - HKCU\..\Run: [WMPNSCFG] C:\Program Files\Windows Media Player\WMPNSCFG.exe
O8 - Extra context menu item: Add to Banner Ad Blocker - C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 2009\ie_banner_deny.htm
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0\bin\npjpi160.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0\bin\npjpi160.dll
O9 - Extra button: Web traffic protection statistics - {1F460357-8A94-4D71-9CA3-AA4ACF32ED8E} - C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 2009\SCIEPlgn.dll
O9 - Extra button: eBay - {C08CAF1D-C0A3-40D5-9970-06D067EAC017} - http://www.webtip.ch/cgi-bin/toshiba/tracker_url.pl?FR (file missing)
O10 - Unknown file in Winsock LSP: c:\windows\system32\nlaapi.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\napinsp.dll
O11 - Options group: [INTERNATIONAL] International*
O13 - Gopher Prefix:
O20 - AppInit_DLLs: C:\PROGRA~1\KASPER~1\KASPER~2\mzvkbd.dll,C:\PROGRA~1\KASPER~1\KASPER~2\adialhk.dll,C:\PROGRA~1\KASPER~1\KASPER~2\kloehk.dll
O20 - Winlogon Notify: klogon - C:\Windows\system32\klogon.dll
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: Ati External Event Utility - 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 - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: Kaspersky Internet Security (AVP) - Unknown owner - C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 2009\avp.exe" -r (file missing)
O23 - Service: BlueSoleilCS - Unknown owner - C:\Program Files\IVT Corporation\BlueSoleil\BlueSoleilCS.exe
O23 - Service: BsHelpCS - Unknown owner - C:\Program Files\IVT Corporation\BlueSoleil\BsHelpCS.exe
O23 - Service: ConfigFree Service (CFSvcs) - TOSHIBA CORPORATION - C:\Program Files\TOSHIBA\ConfigFree\CFSvcs.exe
O23 - Service: @%SystemRoot%\ehome\ehstart.dll,-101 (ehstart) - Unknown owner - %windir%\system32\svchost.exe (file missing)
O23 - Service: Intel(R) Matrix Storage Event Monitor (IAANTMON) - Intel Corporation - C:\Program Files\Intel\Intel Matrix Storage Manager\IAANTMon.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: @%SystemRoot%\system32\qwave.dll,-1 (QWAVE) - Unknown owner - %windir%\system32\svchost.exe (file missing)
O23 - Service: @%SystemRoot%\system32\seclogon.dll,-7001 (seclogon) - Unknown owner - %windir%\system32\svchost.exe (file missing)
O23 - Service: TOSHIBA Bluetooth Service - Unknown owner - c:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtSrv.exe (file missing)
O23 - Service: @%ProgramFiles%\Windows Media Player\wmpnetwk.exe,-101 (WMPNetworkSvc) - Unknown owner - %ProgramFiles%\Windows Media Player\wmpnetwk.exe (file missing)