Comment supprimer Eo.st

Bonjour,

je viens de rentrer à la maison et je trouve sur mon PC une page d'accueil quand j'ouvre Mozilla qui est Eo.st que je ne peux pas supprimer.
Quelqu'un peut-il m'aider.
Merci d'avance

Configuration: Windows Vista
Firefox 2.0.0.16

Voila ce que tu as demande
merci de ton aide

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 18:07:45, on 30/08/2008
Platform: Windows Vista SP1 (WinNT 6.00.1905)
MSIE: Internet Explorer v7.00 (7.00.6001.18000)
Boot mode: Normal

Running processes:
C:\Windows\system32\Dwm.exe
C:\Windows\system32\taskeng.exe
C:\Windows\Explorer.EXE
C:\Program Files\Windows Sidebar\sidebar.exe
C:\Windows\ehome\ehtray.exe
C:\Program Files\Windows Live\Messenger\msnmsgr.exe
C:\Program Files\Windows Media Player\wmpnscfg.exe
C:\Program Files\Google\GoogleToolbarNotifier\1.2.1128.5462\GoogleToolbarNotifier.exe
C:\Windows\ehome\ehmsas.exe
C:\Program Files\Windows Sidebar\sidebar.exe
C:\Program Files\Common Files\LogiShrd\LVCOMSER\LVComSer.exe
C:\Windows\system32\wbem\unsecapp.exe
C:\Program Files\Mozilla Thunderbird\thunderbird.exe
C:\Windows\system32\conime.exe
C:\Program Files\Windows Live\Messenger\msnmsgr.exe
C:\Windows\system32\SearchFilterHost.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://eo.st
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://ie.redirect.hp.com/svs/rdr? [...] pf=desktop
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://recherche.neuf.fr/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,SearchAssistant = http://www.crawler.com/search/ie.aspx?tb_id=60076
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,CustomizeSearch = http://dnl.crawler.com/support/sa_ [...] TbId=60076
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://eo.st
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://recherche.neuf.fr/ie/default.html
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch = http://dnl.crawler.com/support/sa_ [...] TbId=60076
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O1 - Hosts: 102.54.94.97 rhino.acme.com # source server
O1 - Hosts: 38.25.63.10 x.acme.com # x client host
O1 - Hosts: ::1 localhost
O2 - BHO: Aide pour le lien d'Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: EoRezoBHO - {64F56FC1-1272-44CD-BA6E-39723696E350} - C:\Program Files\EoRezo\EoAdv\EoRezoBHO.dll (file missing)
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
O2 - BHO: Programme d'aide de l'Assistant de connexion Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar2.dll
O2 - BHO: (no name) - {FDD3B846-8D59-4ffb-8758-209B6AD74ACC} - (no file)
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar2.dll
O4 - HKLM\..\RunOnce: [Launcher] %WINDIR%\SMINST\launcher.exe
O4 - HKCU\..\Run: [Sidebar] C:\Program Files\Windows Sidebar\sidebar.exe /autoRun
O4 - HKCU\..\Run: [ehTray.exe] C:\Windows\ehome\ehTray.exe
O4 - HKCU\..\Run: [MessengerPlus3] "C:\Program Files\MessengerPlus! 3\MsgPlus.exe" /WinStart
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\Windows Live\Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [WMPNSCFG] C:\Program Files\Windows Media Player\WMPNSCFG.exe
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\1.2.1128.5462\GoogleToolbarNotifier.exe
O4 - HKCU\..\Run: [RunSpySweeperScheduleAtStartup] "C:\Windows\system32\msfeedssync.exe" /ScheduleSweep=User_Feed_Synchronization-{C47E55DC-8F68-438C-B6C4-CE29220261E5}
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-19\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-18\..\Run: [msnmsgr] "C:\Program Files\Windows Live\Messenger\msnmsgr.exe" /background (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [msnmsgr] "C:\Program Files\Windows Live\Messenger\msnmsgr.exe" /background (User 'Default user')
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~3\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
O9 - Extra button: Parental... - {200DB664-75B5-47c0-8B45-A44ACCF73C00} - C:\Program Files\Pack Securite\FSPC\fspcmsie.dll
O9 - Extra button: (no name) - {200DB664-75B5-47c0-8B45-A44ACCF73F01} - C:\Program Files\Pack Securite\FSPC\fspcmsie.dll
O9 - Extra 'Tools' menuitem: Parental... - {200DB664-75B5-47c0-8B45-A44ACCF73F01} - C:\Program Files\Pack Securite\FSPC\fspcmsie.dll
O9 - Extra button: Organise-notes - {9455301C-CF6B-11D3-A266-00C04F689C50} - C:\Program Files\Common Files\Microsoft Shared\Encarta Researcher\EROPROJ.DLL
O9 - Extra button: (no name) - {B205A35E-1FC4-4CE3-818B-899DBBB3388C} - C:\Program Files\Common Files\Microsoft Shared\Encarta Search Bar\ENCSBAR.DLL
O13 - Gopher Prefix:
O23 - Service: Lavasoft Ad-Aware Service (aawservice) - Unknown owner - C:\Program Files\Lavasoft\Ad-Aware\aawservice.exe (file missing)
O23 - Service: Intel(R) Alert Service (AlertService) - Intel(R) Corporation - C:\Program Files\Intel\IntelDH\CCU\AlertService.exe
O23 - Service: Apple Mobile Device - Apple, Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: DQLWinService - Unknown owner - C:\Program Files\Common Files\Intel\IntelDH\NMS\AdpPlugins\DQLWinService.exe
O23 - Service: FSGKHS (F-Secure Gatekeeper Handler Starter) - F-Secure Corporation - C:\Program Files\Pack Securite\Anti-Virus\fsgk32st.exe
O23 - Service: F-Secure Automatic Update Agent (FSAUA) - F-Secure Corporation - C:\Program Files\Pack Securite\FSAUA\program\fsaua.exe
O23 - Service: F-Secure Anti-Virus Firewall Daemon (FSDFWD) - F-Secure Corporation - C:\Program Files\Pack Securite\FWES\Program\fsdfwd.exe
O23 - Service: FSMA - F-Secure Corporation - C:\Program Files\Pack Securite\Common\FSMA32.EXE
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
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: Intel DH Service (IntelDHSvcConf) - Intel(R) Corporation - C:\Program Files\Intel\IntelDH\Intel Media Server\Tools\IntelDHSvcConf.exe
O23 - Service: Intel(R) Software Services Manager (ISSM) - Intel(R) Corporation - C:\Program Files\Intel\IntelDH\Intel Media Server\Media Server\bin\ISSM.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - c:\Program Files\Common Files\LightScribe\LSSrvc.exe
O23 - Service: LVCOMSer - Logitech Inc. - C:\Program Files\Common Files\LogiShrd\LVCOMSER\LVComSer.exe
O23 - Service: Process Monitor (LVPrcSrv) - Logitech Inc. - C:\Program Files\Common Files\LogiShrd\LVMVFM\LVPrcSrv.exe
O23 - Service: LVSrvLauncher - Logitech Inc. - C:\Program Files\Common Files\LogiShrd\SrvLnch\SrvLnch.exe
O23 - Service: Intel(R) Viiv(TM) Media Server (M1 Server) - Unknown owner - C:\Program Files\Intel\IntelDH\Intel Media Server\Media Server\bin\mediaserver.exe
O23 - Service: Intel(R) Application Tracker (MCLServiceATL) - Intel(R) Corporation - C:\Program Files\Intel\IntelDH\Intel Media Server\Shells\MCLServiceATL.exe
O23 - Service: NMSAccessU - Unknown owner - C:\Program Files\CDBurnerXP\NMSAccessU.exe
O23 - Service: Intel(R) Remoting Service (Remote UI Service) - Intel(R) Corporation - C:\Program Files\Intel\IntelDH\Intel Media Server\Shells\Remote UI Service.exe
O23 - Service: stllssvr - Unknown owner - c:\Program Files\Common Files\SureThing Shared\stllssvr.exe (file missing)

--
End of file - 8581 bytes

J'ai fait ce que tu m'a demandé et tu trouveras ci dessous le resultat du nouveau scan
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 20:16:56, on 30/08/2008
Platform: Windows Vista SP1 (WinNT 6.00.1905)
MSIE: Internet Explorer v7.00 (7.00.6001.18000)
Boot mode: Normal

Running processes:
C:\Windows\system32\taskeng.exe
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Program Files\Pack Securite\Common\FSM32.EXE
C:\Program Files\Windows Sidebar\sidebar.exe
C:\Windows\ehome\ehtray.exe
C:\Program Files\Windows Live\Messenger\msnmsgr.exe
C:\Program Files\Google\GoogleToolbarNotifier\1.2.1128.5462\GoogleToolbarNotifier.exe
C:\Program Files\Windows Media Player\wmpnscfg.exe
C:\Windows\ehome\ehmsas.exe
C:\Program Files\Windows Sidebar\sidebar.exe
C:\Program Files\Common Files\LogiShrd\LVCOMSER\LVComSer.exe
C:\Program Files\Pack Securite\FSGUI\fsguidll.exe
C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\conime.exe
C:\Program Files\Windows Live\Messenger\msnmsgr.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://ie.redirect.hp.com/svs/rdr? [...] pf=desktop
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://recherche.neuf.fr/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,SearchAssistant = http://www.crawler.com/search/ie.aspx?tb_id=60076
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,CustomizeSearch = http://dnl.crawler.com/support/sa_ [...] TbId=60076
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://recherche.neuf.fr/ie/default.html
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch = http://dnl.crawler.com/support/sa_ [...] TbId=60076
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O1 - Hosts: 102.54.94.97 rhino.acme.com # source server
O1 - Hosts: 38.25.63.10 x.acme.com # x client host
O1 - Hosts: ::1 localhost
O2 - BHO: Aide pour le lien d'Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
O2 - BHO: Programme d'aide de l'Assistant de connexion Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar2.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar2.dll
O4 - HKLM\..\Run: [F-Secure Manager] "C:\Program Files\Pack Securite\Common\FSM32.EXE" /splash
O4 - HKLM\..\Run: [F-Secure TNB] "C:\Program Files\Pack Securite\FSGUI\TNBUtil.exe" /CHECKALL /WAITFORSW
O4 - HKLM\..\RunOnce: [Launcher] %WINDIR%\SMINST\launcher.exe
O4 - HKCU\..\Run: [Sidebar] C:\Program Files\Windows Sidebar\sidebar.exe /autoRun
O4 - HKCU\..\Run: [ehTray.exe] C:\Windows\ehome\ehTray.exe
O4 - HKCU\..\Run: [MessengerPlus3] "C:\Program Files\MessengerPlus! 3\MsgPlus.exe" /WinStart
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\Windows Live\Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\1.2.1128.5462\GoogleToolbarNotifier.exe
O4 - HKCU\..\Run: [RunSpySweeperScheduleAtStartup] "C:\Windows\system32\msfeedssync.exe" /ScheduleSweep=User_Feed_Synchronization-{C47E55DC-8F68-438C-B6C4-CE29220261E5}
O4 - HKCU\..\Run: [WMPNSCFG] C:\Program Files\Windows Media Player\WMPNSCFG.exe
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-19\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-18\..\Run: [msnmsgr] "C:\Program Files\Windows Live\Messenger\msnmsgr.exe" /background (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [msnmsgr] "C:\Program Files\Windows Live\Messenger\msnmsgr.exe" /background (User 'Default user')
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~3\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_05\bin\ssv.dll
O9 - Extra button: Parental... - {200DB664-75B5-47c0-8B45-A44ACCF73C00} - C:\Program Files\Pack Securite\FSPC\fspcmsie.dll
O9 - Extra button: (no name) - {200DB664-75B5-47c0-8B45-A44ACCF73F01} - C:\Program Files\Pack Securite\FSPC\fspcmsie.dll
O9 - Extra 'Tools' menuitem: Parental... - {200DB664-75B5-47c0-8B45-A44ACCF73F01} - C:\Program Files\Pack Securite\FSPC\fspcmsie.dll
O9 - Extra button: Organise-notes - {9455301C-CF6B-11D3-A266-00C04F689C50} - C:\Program Files\Common Files\Microsoft Shared\Encarta Researcher\EROPROJ.DLL
O9 - Extra button: (no name) - {B205A35E-1FC4-4CE3-818B-899DBBB3388C} - C:\Program Files\Common Files\Microsoft Shared\Encarta Search Bar\ENCSBAR.DLL
O13 - Gopher Prefix:
O23 - Service: Lavasoft Ad-Aware Service (aawservice) - Unknown owner - C:\Program Files\Lavasoft\Ad-Aware\aawservice.exe (file missing)
O23 - Service: Intel(R) Alert Service (AlertService) - Intel(R) Corporation - C:\Program Files\Intel\IntelDH\CCU\AlertService.exe
O23 - Service: Apple Mobile Device - Apple, Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: DQLWinService - Unknown owner - C:\Program Files\Common Files\Intel\IntelDH\NMS\AdpPlugins\DQLWinService.exe
O23 - Service: FSGKHS (F-Secure Gatekeeper Handler Starter) - F-Secure Corporation - C:\Program Files\Pack Securite\Anti-Virus\fsgk32st.exe
O23 - Service: F-Secure Automatic Update Agent (FSAUA) - F-Secure Corporation - C:\Program Files\Pack Securite\FSAUA\program\fsaua.exe
O23 - Service: F-Secure Anti-Virus Firewall Daemon (FSDFWD) - F-Secure Corporation - C:\Program Files\Pack Securite\FWES\Program\fsdfwd.exe
O23 - Service: FSMA - F-Secure Corporation - C:\Program Files\Pack Securite\Common\FSMA32.EXE
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
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: Intel DH Service (IntelDHSvcConf) - Intel(R) Corporation - C:\Program Files\Intel\IntelDH\Intel Media Server\Tools\IntelDHSvcConf.exe
O23 - Service: Intel(R) Software Services Manager (ISSM) - Intel(R) Corporation - C:\Program Files\Intel\IntelDH\Intel Media Server\Media Server\bin\ISSM.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - c:\Program Files\Common Files\LightScribe\LSSrvc.exe
O23 - Service: LVCOMSer - Logitech Inc. - C:\Program Files\Common Files\LogiShrd\LVCOMSER\LVComSer.exe
O23 - Service: Process Monitor (LVPrcSrv) - Logitech Inc. - C:\Program Files\Common Files\LogiShrd\LVMVFM\LVPrcSrv.exe
O23 - Service: LVSrvLauncher - Logitech Inc. - C:\Program Files\Common Files\LogiShrd\SrvLnch\SrvLnch.exe
O23 - Service: Intel(R) Viiv(TM) Media Server (M1 Server) - Unknown owner - C:\Program Files\Intel\IntelDH\Intel Media Server\Media Server\bin\mediaserver.exe
O23 - Service: Intel(R) Application Tracker (MCLServiceATL) - Intel(R) Corporation - C:\Program Files\Intel\IntelDH\Intel Media Server\Shells\MCLServiceATL.exe
O23 - Service: NMSAccessU - Unknown owner - C:\Program Files\CDBurnerXP\NMSAccessU.exe
O23 - Service: Intel(R) Remoting Service (Remote UI Service) - Intel(R) Corporation - C:\Program Files\Intel\IntelDH\Intel Media Server\Shells\Remote UI Service.exe
O23 - Service: stllssvr - Unknown owner - c:\Program Files\Common Files\SureThing Shared\stllssvr.exe (file missing)

--
End of file - 8478 bytes

non, il semblerait que cela soit corrigé????
Merci beaucoup pour ton aide
asap