VIRUS win 32 trat BHO

Bonjour,
Je tente de faire fonctionner le PC de ma cousine car elle est infecté par un cheval de troie qui a pour nom "win32tratBHO" C'est AVAST qui le détecte mais impossible de le supprimer ou de le mettre en quarataine(elle a avast et zone alarm)

Voila je vous joins le rapport HIJACKTHIS

MERCI POUR VOTRE AIDE

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 21:43:25, on 06/05/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16640)
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\ZoneLabs\vsmon.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\eHome\ehRecvr.exe
C:\WINDOWS\eHome\ehSched.exe
C:\WINDOWS\System32\FTRTSVC.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\Program Files\Dell Support Center\bin\sprtsvc.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\system32\dllhost.exe
C:\WINDOWS\ehome\ehtray.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
C:\WINDOWS\stsystra.exe
C:\Program Files\Dell\Media Experience\DMXLauncher.exe
C:\WINDOWS\System32\DLA\DLACTRLW.EXE
C:\WINDOWS\eHome\ehmsas.exe
C:\Program Files\Fichiers communs\InstallShield\UpdateService\issch.exe
C:\Program Files\Google\Google Desktop Search\GoogleDesktop.exe
C:\Program Files\ScanSoft\OmniPageSE4.0\OpwareSE4.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Program Files\Google\Google Desktop Search\GoogleDesktopIndex.exe
C:\PROGRA~1\Wanadoo\TaskBarIcon.exe
C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\Documents and Settings\All Users\Application Data\wtwhqdcp\czivwtqp.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Dell Support\DSAgnt.exe
C:\Program Files\Dell Support Center\bin\sprtcmd.exe
C:\WINDOWS\system32\klsnwryn.exe
C:\Program Files\Digital Line Detect\DLG.exe
C:\Program Files\Google\Google Desktop Search\GoogleDesktopCrawl.exe
C:\Program Files\Hercules\WiFi Station\WiFiStation.exe
C:\PROGRA~1\Wanadoo\GestionnaireInternet.exe
C:\PROGRA~1\Wanadoo\ComComp.exe
C:\PROGRA~1\Wanadoo\Toaster.exe
C:\PROGRA~1\Wanadoo\Inactivity.exe
C:\PROGRA~1\Wanadoo\PollingModule.exe
C:\WINDOWS\System32\ALERTM~1\ALERTM~1.EXE
C:\PROGRA~1\Wanadoo\Watch.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = www.google.fr/ig/dell?hl=fr&client=dell-row&channel=fr&ibd=3070122
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.google.fr/hws/sb/dell-row/fr/side.html?channel=fr
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.google.fr/hws/sb/dell-row/fr/side.html?channel=fr
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 = https://www.msn.com/fr-fr/?ocid=iehp
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
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 = http://www.google.fr/hws/sb/dell-row/fr/side.html?channel=fr
R1 - HKLM\Software\Microsoft\Internet Explorer\Search,Default_Page_URL = www.google.fr/ig/dell?hl=fr&client=dell-row&channel=fr&ibd=3070122
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://127.0.0.1:4664/first_usage&s=3q3H9xHp2nHfmmT3TU7KnWbdmfc
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Orange
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: Search Class - {08C06D61-F1F3-4799-86F8-BE1A89362C85} - C:\PROGRA~1\Wanadoo\SEARCH~1.DLL
O2 - BHO: Aide pour le lien d'Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Fichiers communs\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: PC-Antispyware Site Blocker Button - {10F0C2A9-8E38-43e3-204D-45524C494E20} - C:\Program Files\PC-Antispyware\IeExtension.dll (file missing)
O2 - BHO: (no name) - {1A8BC9C5-371E-4D2C-ACD7-CB817F87E2C6} - C:\WINDOWS\system32\nnnOfCrR.dll (file missing)
O2 - BHO: DriveLetterAccess - {5CA3D70E-1895-11CF-8E15-001234567890} - C:\WINDOWS\System32\DLA\DLASHX_W.DLL
O2 - BHO: Canon Easy Web Print Helper - {68F9551E-0411-48E4-9AAF-4BC42A6A46BE} - C:\Program Files\Canon\Easy-WebPrint\EWPBrowseLoader.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O2 - BHO: (no name) - {B82F29E4-8368-4B14-9C00-5138C0D94034} - C:\WINDOWS\system32\byXQHwWp.dll
O2 - BHO: Browser Address Error Redirector - {CA6319C0-31B7-401E-A518-A07C3DB8F777} - C:\Program Files\BAE\BAE.dll
O3 - Toolbar: Easy-WebPrint - {327C2873-E90D-4c37-AA9D-10AC9BABA46C} - C:\Program Files\Canon\Easy-WebPrint\Toolband.dll
O4 - HKLM\..\Run: [ehTray] C:\WINDOWS\ehome\ehtray.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
O4 - HKLM\..\Run: [SigmatelSysTrayApp] stsystra.exe
O4 - HKLM\..\Run: [DMXLauncher] C:\Program Files\Dell\Media Experience\DMXLauncher.exe
O4 - HKLM\..\Run: [DLA] C:\WINDOWS\System32\DLA\DLACTRLW.EXE
O4 - HKLM\..\Run: [ISUSPM Startup] C:\PROGRA~1\FICHIE~1\INSTAL~1\UPDATE~1\ISUSPM.exe -startup
O4 - HKLM\..\Run: [ISUSScheduler] "C:\Program Files\Fichiers communs\InstallShield\UpdateService\issch.exe" -start
O4 - HKLM\..\Run: [Google Desktop Search] "C:\Program Files\Google\Google Desktop Search\GoogleDesktop.exe" /startup
O4 - HKLM\..\Run: [SSBkgdUpdate] "C:\Program Files\Fichiers communs\Scansoft Shared\SSBkgdUpdate\SSBkgdupdate.exe" -Embedding -boot
O4 - HKLM\..\Run: [OpwareSE4] "C:\Program Files\ScanSoft\OmniPageSE4.0\OpwareSE4.exe"
O4 - HKLM\..\Run: [MSKDetectorExe] C:\Program Files\McAfee\SpamKiller\MSKDetct.exe /uninstall
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [WOOWATCH] C:\PROGRA~1\Wanadoo\Watch.exe
O4 - HKLM\..\Run: [WOOTASKBARICON] C:\PROGRA~1\Wanadoo\GestMaj.exe TaskBarIcon.exe
O4 - HKLM\..\Run: [dscactivate] "C:\Program Files\Dell Support Center\gs_agent\custom\dsca.exe"
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [ZoneAlarm Client] "C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe"
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [DellSupport] "C:\Program Files\Dell Support\DSAgnt.exe" /startup
O4 - HKCU\..\Run: [WOOKIT] C:\PROGRA~1\Wanadoo\Shell.exe appLaunchClientZone.shl|PARAM= cnx
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [DellSupportCenter] "C:\Program Files\Dell Support Center\bin\sprtcmd.exe" /P DellSupportCenter
O4 - HKCU\..\Run: [ucrubbfb] C:\WINDOWS\system32\klsnwryn.exe
O4 - HKCU\..\Policies\Explorer\Run: [jSKhB7fFnd] C:\Documents and Settings\All Users\Application Data\wtwhqdcp\czivwtqp.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 - Startup: .protected
O4 - Global Startup: .protected
O4 - Global Startup: Digital Line Detect.lnk = ?
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O4 - Global Startup: WiFi Station.lnk = C:\Program Files\Hercules\WiFi Station\WiFiStation.exe
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Restrictions present
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~3\Office10\EXCEL.EXE/3000
O8 - Extra context menu item: Easy-WebPrint Ajouter à la liste d'impressions - res://C:\Program Files\Canon\Easy-WebPrint\Toolband.dll/RC_AddToList.html
O8 - Extra context menu item: Easy-WebPrint Impression rapide - res://C:\Program Files\Canon\Easy-WebPrint\Toolband.dll/RC_HSPrint.html
O8 - Extra context menu item: Easy-WebPrint Imprimer - res://C:\Program Files\Canon\Easy-WebPrint\Toolband.dll/RC_Print.html
O8 - Extra context menu item: Easy-WebPrint Prévisualiser - res://C:\Program Files\Canon\Easy-WebPrint\Toolband.dll/RC_Preview.html
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
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra button: Orange - {1462651F-F4BA-4C76-A001-C4284D0FE16E} - https://www.orange.fr/portail (file missing) (HKCU)
O20 - AppInit_DLLs: C:\PROGRA~1\Google\GOOGLE~1\GOEC62~1.DLL
O20 - Winlogon Notify: byXQHwWp - C:\WINDOWS\SYSTEM32\byXQHwWp.dll
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Program Files\Alwil Software\Avast4\aswUpdSv.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: France Telecom Routing Table Service (FTRTSVC) - France Telecom - C:\WINDOWS\System32\FTRTSVC.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: SupportSoft Sprocket Service (dellsupportcenter) (sprtsvc_dellsupportcenter) - SupportSoft, Inc. - C:\Program Files\Dell Support Center\bin\sprtsvc.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINDOWS\system32\ZoneLabs\vsmon.exe