Boite aux lettres yahoo piratée

Bonjour,
Je me suis fait piraté ma boite aux lettre yahoo et après avoir changer le mot de passe, j'ai fait un scan avec hijack dont voici le résumé.
Pouvez vous me dire si j'ai oui ou non un virus ou un "corps étranger" dans mon PC
Merci de votre aide

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 23:22:04, on 29/02/2012
Platform: Unknown Windows (WinNT 6.01.3504)
MSIE: Internet Explorer v9.00 (9.00.8112.16421)
Boot mode: Normal

Running processes:
C:\windows\Explorer.EXE
C:\windows\system32\Dwm.exe
C:\windows\system32\taskhost.exe
C:\Program Files\ATI Technologies\ATI.ACE\Core-Static\MOM.exe
C:\Program Files\ATI Technologies\ATI.ACE\Core-Static\CCC.exe
C:\Program Files\Realtek\Audio\HDA\RtHDVCpl.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Alwil Software\Avast5\AvastUI.exe
C:\Program Files\Common Files\Java\Java Update\jusched.exe
C:\Program Files\Ask.com\Updater\Updater.exe
C:\Program Files\Windows iLivid Toolbar\Datamngr\datamngrUI.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\McAfee Security Scan\2.0.181\SSScheduler.exe
C:\Program Files\Google\Google Toolbar\GoogleToolbarUser_32.exe
C:\windows\system32\Macromed\Flash\FlashUtil11e_ActiveX.exe
C:\windows\system32\wuauclt.exe
C:\windows\system32\SearchProtocolHost.exe
C:\Users\guity\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\GJ2LMBU9\HiJackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer,SearchURL = http://www.search-web.net/keyword/%s
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.search-web.net
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://www.search-web.net/keyword/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.search-web.net
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.search-web.net
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.searchqu.com/406
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 = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page_bak = http://www.search-web.net
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R3 - URLSearchHook: UrlSearchHook Class - {00000000-6E41-4FD3-8538-502F5495E5FC} - C:\Program Files\Ask.com\GenericAskToolbar.dll
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: ShoppingReport2 - {258C9770-1713-4021-8D7E-1F184A2BD754} - C:\Program Files\ShoppingReport2\Bin\2.7.34\ShoppingReport.dll
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
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: Searchqu Toolbar - {99079a25-328f-4bd4-be04-00955acaa0a7} - C:\PROGRA~1\WI3C8A~1\Datamngr\ToolBar\searchqudtx.dll
O2 - BHO: DataMngr - {9D717F81-9148-4f12-8568-69135F087DB0} - C:\PROGRA~1\WI3C8A~1\Datamngr\BROWSE~1.DLL
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - C:\Program Files\Google\Google Toolbar\GoogleToolbar_32.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\5.7.7227.1100\swg.dll
O2 - BHO: Ask Toolbar BHO - {D4027C7F-154A-4066-A1AD-4243D8127440} - C:\Program Files\Ask.com\GenericAskToolbar.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O3 - Toolbar: LimeWire Toolbar - {D4027C7F-154A-4066-A1AD-4243D8127440} - C:\Program Files\Ask.com\GenericAskToolbar.dll
O3 - Toolbar: Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Program Files\Google\Google Toolbar\GoogleToolbar_32.dll
O3 - Toolbar: Searchqu Toolbar - {99079a25-328f-4bd4-be04-00955acaa0a7} - C:\PROGRA~1\WI3C8A~1\Datamngr\ToolBar\searchqudtx.dll
O4 - HKLM\..\Run: [StartCCC] "C:\Program Files\ATI Technologies\ATI.ACE\Core-Static\CLIStart.exe" MSRun
O4 - HKLM\..\Run: [RtHDVCpl] C:\Program Files\Realtek\Audio\HDA\RtHDVCpl.exe -s
O4 - HKLM\..\Run: [SynTPEnh] %ProgramFiles%\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [UCam_Menu] "C:\Program Files\CyberLink\YouCam\MUITransfer\MUIStartMenu.exe" "C:\Program Files\CyberLink\YouCam" UpdateWithCreateOnce "Software\CyberLink\YouCam\2.0"
O4 - HKLM\..\Run: [avast5] "C:\Program Files\Alwil Software\Avast5\avastUI.exe" /nogui
O4 - HKLM\..\Run: [LXCFCATS] rundll32 C:\windows\system32\spool\DRIVERS\W32X86\3\LXCFtime.dll,RunDLLEntry
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Common Files\Java\Java Update\jusched.exe"
O4 - HKLM\..\Run: [ApnUpdater] "C:\Program Files\Ask.com\Updater\Updater.exe"
O4 - HKLM\..\Run: [DATAMNGR] C:\PROGRA~1\WI3C8A~1\Datamngr\DATAMN~1.EXE
O4 - HKLM\..\Run: [Adobe ARM] "C:\Program Files\Common Files\Adobe\ARM\1.0\AdobeARM.exe"
O4 - HKCU\..\Run: [tempHome] C:\Users\guity\AppData\Local\Temp\racourci.vbe
O4 - HKCU\..\Run: [lan] C:\Users\guity\chat-land\Chat-Landmessenger.jar
O4 - HKCU\..\Run: [Protection] C:\Users\guity\Protection1260.exe
O4 - HKCU\..\Run: [swg] "C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe"
O4 - Startup: Protection.lnk = guity\Protection.exe
O4 - Global Startup: McAfee Security Scan Plus.lnk = ?
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office12\EXCEL.EXE/3000
O8 - Extra context menu item: Recherche avec search-web - C:\Users\guity\AppData\Local\Temp\scriptjava.html
O9 - Extra button: Ajout Direct - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra 'Tools' menuitem: &Ajout Direct dans Windows Live Writer - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: Envoyer à OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~2\Office12\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: &Envoyer à OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~2\Office12\ONBttnIE.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\Office12\REFIEBAR.DLL
O9 - Extra button: ClickPotato - {B58926D6-CFB0-45d2-9C28-4B5A0F0368AE} - C:\Program Files\ClickPotatoLite\bin\10.0.666.0\ClickPotatoLiteSABHO.dll
O9 - Extra button: ShopperReports - Compare product prices - {DB38E21A-0133-419d-92AD-ECDFD5244D6D} - C:\Program Files\ShoppingReport2\Bin\2.7.34\ShoppingReport.dll
O9 - Extra button: ShopperReports - Compare travel rates - {EB620C54-E229-4942-87CE-E717109FC8C6} - C:\Program Files\ShoppingReport2\Bin\2.7.34\ShoppingReport.dll
O11 - Options group: [ACCELERATED_GRAPHICS] Accelerated graphics
O13 - Gopher Prefix:
O15 - Trusted Zone: *.chat-land.com
O15 - Trusted Zone: *.chat-land.net
O15 - Trusted Zone: *.chat-land.org
O15 - Trusted Zone: *.search-web.net
O16 - DPF: {C345E174-3E87-4F41-A01C-B066A90A49B4} (WRC Class) - http://trial.trymicrosoftoffice.com/trialoaa/buymsoffice_assets/framework//microsoft/wrc32.ocx
O16 - DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} - http://platformdl.adobe.com/NOS/getPlusPlus/1.6/gp.cab
O20 - AppInit_DLLs: C:\PROGRA~1\WI3C8A~1\Datamngr\datamngr.dll C:\PROGRA~1\WI3C8A~1\Datamngr\IEBHO.dll
O23 - Service: Adobe Acrobat Update Service (AdobeARMservice) - Adobe Systems Incorporated - C:\Program Files\Common Files\Adobe\ARM\1.0\armsvc.exe
O23 - Service: Agere Modem Call Progress Audio (AgereModemAudio) - LSI Corporation - C:\Program Files\LSI SoftModem\agrsmsvc.exe
O23 - Service: AMD External Events Utility - AMD - C:\windows\system32\atiesrxx.exe
O23 - Service: avast! Antivirus - AVAST Software - C:\Program Files\Alwil Software\Avast5\AvastSvc.exe
O23 - Service: Service Google Update (gupdate) (gupdate) - Unknown owner - C:\Program Files\Google\Update\GoogleUpdate.exe (file missing)
O23 - Service: Service Google Update (gupdatem) (gupdatem) - Unknown owner - C:\Program Files\Google\Update\GoogleUpdate.exe (file missing)
O23 - Service: Google Software Updater (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: lxcf_device - - C:\windows\system32\lxcfcoms.exe
O23 - Service: McAfee Security Scan Component Host Service (McComponentHostService) - McAfee, Inc. - C:\Program Files\McAfee Security Scan\2.0.181\McCHSvc.exe
O23 - Service: Oberon Media Game Console service (OberonGameConsoleService) - Unknown owner - C:\Program Files\Samsung Casual Games\GameConsole\OberonGameConsoleService.exe
O23 - Service: Rezip - Unknown owner - C:\windows\SYSTEM32\Rezip.exe