Malware defender : info ou intox ?

Bonjour,

Je rencontre un problème avec mon PC :
Impossible de mettre à jour mon antivirus Bit Defender (message serveur invalide) et le centre de sécurité Windows est désactivé avec impossibilité de le réactiver
J'ai de temps en temps une fenetre malware defender qui apparait et me dit que mon PC est infecté et comme un crétin il me semble que j'ai accepté de faire un scan à partir de cette fenetre.

Je suis allé voir sur le net et ce malware defender est à priori un faux anti malware, le problème c'est que je ne sais même pas si c'est vrai !!
J'ai essayé de télécharger Ccleaner : résultat : échec !!

N'étant pas un spécialiste, qqn peut il me dire quoi faire svp ?

Je colle dessous le rapport Hijackthis.

Merci par avance à tous !!!

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 23:36:42, on 26/03/2009
Platform: Windows Vista SP1 (WinNT 6.00.1905)
MSIE: Internet Explorer v7.00 (7.00.6001.18000)
Boot mode: Normal

Running processes:
C:\Program Files\DigitalPersona\Bin\DpAgent.exe
C:\Windows\system32\Dwm.exe
C:\Windows\system32\taskeng.exe
C:\Windows\Explorer.EXE
C:\Program Files\Synaptics\SynTP\SynTPStart.exe
C:\Program Files\Motorola\SMSERIAL\sm56hlpr.exe
C:\Windows\RtHDVCpl.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Program Files\Intel\Intel Matrix Storage Manager\IAAnotif.exe
C:\Program Files\Hp\QuickPlay\QPService.exe
C:\Program Files\Hewlett-Packard\HP Quick Launch Buttons\QLBCTRL.exe
C:\Program Files\Hewlett-Packard\HP QuickTouch\HPKBDAPP.exe
C:\Program Files\Windows Defender\MSASCui.exe
C:\Program Files\Hewlett-Packard\HP Wireless Assistant\HPWAMain.exe
C:\Program Files\Hewlett-Packard\HP Wireless Assistant\WiFiMsg.exe
C:\Program Files\BitDefender\BitDefender 2008\bdagent.exe
C:\Program Files\Hp\HP Software Update\hpwuSchd2.exe
C:\Windows\System32\rundll32.exe
C:\Program Files\Interwrite Learning\Interwrite Workspace\IWStarter.exe
C:\Program Files\Java\jre6\bin\jusched.exe
C:\Program Files\Windows Sidebar\sidebar.exe
C:\Windows\ehome\ehtray.exe
C:\Program Files\Common Files\Ahead\Lib\NMBgMonitor.exe
C:\Users\darty\Program Files\DNA\btdna.exe
C:\Program Files\DAEMON Tools Lite\daemon.exe
C:\Program Files\Windows Media Player\wmpnscfg.exe
C:\Program Files\OpenOffice.org 2.4\program\soffice.exe
C:\Windows\ehome\ehmsas.exe
C:\Program Files\Hewlett-Packard\Shared\HpqToaster.exe
C:\Program Files\OpenOffice.org 2.4\program\soffice.BIN
C:\Program Files\Common Files\Ahead\Lib\NMIndexStoreSvr.exe
C:\Windows\system32\wuauclt.exe
C:\Program Files\Google\Google Toolbar\GoogleToolbarUser.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\IEUser.exe
C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Users\darty\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\4PS6HSDD\HiJackThis[1].exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://fr.yahoo.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = https://www.msn.com/fr-fr?cobrand=hp-notebook.msn.com&ocid=HPDHP&pc=HPNTDF
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?cobrand=hp-notebook.msn.com&ocid=HPDHP&pc=HPNTDF
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R3 - URLSearchHook: Smartorrent Toolbar - {2f3a94fd-c89e-41c4-bbd6-18b11705e7f3} - C:\Program Files\Smartorrent\tbSmar.dll
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: Download Manager Browser Helper Object - {19C8E43B-07B3-49CB-BFFC-6777B593E6F8} - C:\PROGRA~1\COMMON~1\fluxDVD\DOWNLO~1\XEBDLH~1.DLL
O2 - BHO: Smartorrent Toolbar - {2f3a94fd-c89e-41c4-bbd6-18b11705e7f3} - C:\Program Files\Smartorrent\tbSmar.dll
O2 - BHO: NCO 2.0 IE BHO - {602ADB0E-4AFF-4217-8AA1-95DAC4DFA408} - (no file)
O2 - BHO: AOL Toolbar Launcher - {7C554162-8CB7-45A4-B8F4-8EA1C75885F9} - C:\Program Files\AOL\AOL Toolbar 5.0\aoltb.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: mysidesearch search enhancer - {8349BC85-7239-B526-7D30-9CBDD2B35008} - C:\Windows\system32\mhhewwywbyspgz.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\Google Toolbar\GoogleToolbar.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\5.1.1309.3572\swg.dll
O2 - BHO: Google Dictionary Compression sdch - {C84D72FE-E17D-4195-BB24-76C02E2E7C4E} - C:\Program Files\Google\Google Toolbar\Component\fastsearch_219B3E1547538286.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: (no name) - {7FEBEFE3-6B19-4349-98D2-FFB09D4B49CA} - (no file)
O3 - Toolbar: AOL Toolbar - {DE9C389F-3316-41A7-809B-AA305ED9D922} - C:\Program Files\AOL\AOL Toolbar 5.0\aoltb.dll
O3 - Toolbar: BitDefender Toolbar - {381FFDE8-2394-4f90-B10D-FC6124A40F8C} - C:\Program Files\BitDefender\BitDefender 2008\IEToolbar.dll
O3 - Toolbar: Smartorrent Toolbar - {2f3a94fd-c89e-41c4-bbd6-18b11705e7f3} - C:\Program Files\Smartorrent\tbSmar.dll
O3 - Toolbar: &Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Program Files\Google\Google Toolbar\GoogleToolbar.dll
O4 - HKLM\..\Run: [SynTPStart] C:\Program Files\Synaptics\SynTP\SynTPStart.exe
O4 - HKLM\..\Run: [SMSERIAL] C:\Program Files\Motorola\SMSERIAL\sm56hlpr.exe
O4 - HKLM\..\Run: [RtHDVCpl] RtHDVCpl.exe
O4 - HKLM\..\Run: [IAAnotif] C:\Program Files\Intel\Intel Matrix Storage Manager\iaanotif.exe
O4 - HKLM\..\Run: [QPService] "C:\Program Files\HP\QuickPlay\QPService.exe"
O4 - HKLM\..\Run: [QlbCtrl] %ProgramFiles%\Hewlett-Packard\HP Quick Launch Buttons\QlbCtrl.exe /Start
O4 - HKLM\..\Run: [OnScreenDisplay] C:\Program Files\Hewlett-Packard\HP QuickTouch\HPKBDAPP.exe
O4 - HKLM\..\Run: [UCam_Menu] "C:\Program Files\CyberLink\YouCam\MUITransfer\MUIStartMenu.exe" "C:\Program Files\CyberLink\YouCam" update "Software\CyberLink\YouCam\1.0"
O4 - HKLM\..\Run: [DpAgent] C:\Program Files\DigitalPersona\Bin\dpagent.exe
O4 - HKLM\..\Run: [Windows Defender] %ProgramFiles%\Windows Defender\MSASCui.exe -hide
O4 - HKLM\..\Run: [HP Health Check Scheduler] c:\Program Files\Hewlett-Packard\HP Health Check\HPHC_Scheduler.exe
O4 - HKLM\..\Run: [hpWirelessAssistant] C:\Program Files\Hewlett-Packard\HP Wireless Assistant\HPWAMain.exe
O4 - HKLM\..\Run: [WAWifiMessage] C:\Program Files\Hewlett-Packard\HP Wireless Assistant\WiFiMsg.exe
O4 - HKLM\..\Run: [BitDefender Antiphishing Helper] "C:\Program Files\BitDefender\BitDefender 2008\IEShow.exe"
O4 - HKLM\..\Run: [BDAgent] "C:\Program Files\BitDefender\BitDefender 2008\bdagent.exe"
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [NeroFilterCheck] C:\Program Files\Common Files\Ahead\Lib\NeroCheck.exe
O4 - HKLM\..\Run: [HP Software Update] C:\Program Files\Hp\HP Software Update\HPWuSchd2.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\Windows\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\Windows\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [InterWrite Device Manager] "C:\Program Files\Interwrite Learning\Interwrite Workspace\IWStarter.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre6\bin\jusched.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: [BgMonitor_{79662E04-7C6C-4d9f-84C7-88D8A56B10AA}] "C:\Program Files\Common Files\Ahead\Lib\NMBgMonitor.exe"
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
O4 - HKCU\..\Run: [BitTorrent DNA] "C:\Users\darty\Program Files\DNA\btdna.exe"
O4 - HKCU\..\Run: [DAEMON Tools Lite] "C:\Program Files\DAEMON Tools Lite\daemon.exe" -autorun
O4 - HKCU\..\Run: [WMPNSCFG] C:\Program Files\Windows Media Player\WMPNSCFG.exe
O4 - HKUS\S-1-5-18\..\Run: [A00F1C5C9BD.exe] C:\Windows\TEMP\_A00F1C5C9BD.exe (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [A00F1C5C9BD.exe] C:\Windows\TEMP\_A00F1C5C9BD.exe (User 'Default user')
O4 - Startup: OpenOffice.org 2.4.lnk = C:\Program Files\OpenOffice.org 2.4\program\quickstart.exe
O8 - Extra context menu item: &Recherche AOL Toolbar - c:\program files\aol\aol toolbar 5.0\resources\fr-fr\local\search.html
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~3\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: Envoyer à OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~3\Office12\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: &Envoyer à OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~3\Office12\ONBttnIE.dll
O9 - Extra button: AOL Toolbar - {3369AF0D-62E9-4bda-8103-B4C75499B578} - C:\Program Files\AOL\AOL Toolbar 5.0\aoltb.dll
O9 - Extra button: (no name) - {85d1f590-48f4-11d9-9669-0800200c9a66} - C:\Windows\bdoscandel.exe
O9 - Extra 'Tools' menuitem: Uninstall BitDefender Online Scanner v8 - {85d1f590-48f4-11d9-9669-0800200c9a66} - C:\Windows\bdoscandel.exe
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\OFFICE11\REFIEBAR.DLL
O13 - Gopher Prefix:
O15 - Trusted Zone: *.canalplay.com
O15 - Trusted Zone: *.canalplusactive.com
O15 - Trusted Zone: *.canalplay.com (HKLM)
O15 - Trusted Zone: *.canalplusactive.com (HKLM)
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://www.bitdefender.fr/scan_fr/scan8/oscan8.cab
O16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab56907.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{36ABEDAD-47D5-42BE-A889-6FD9457E357A}: NameServer = 85.255.112.62,85.255.112.231
O17 - HKLM\System\CCS\Services\Tcpip\..\{F4A88FA0-0DB8-4556-AB74-DB8D3F31A6DF}: NameServer = 85.255.112.62,85.255.112.231
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: NameServer = 85.255.112.62,85.255.112.231
O17 - HKLM\System\CS1\Services\Tcpip\..\{36ABEDAD-47D5-42BE-A889-6FD9457E357A}: NameServer = 85.255.112.62,85.255.112.231
O17 - HKLM\System\CS2\Services\Tcpip\Parameters: NameServer = 85.255.112.62,85.255.112.231
O17 - HKLM\System\CS2\Services\Tcpip\..\{36ABEDAD-47D5-42BE-A889-6FD9457E357A}: NameServer = 85.255.112.62,85.255.112.231
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: NameServer = 85.255.112.62,85.255.112.231
O23 - Service: Boonty Games - BOONTY - C:\Program Files\Common Files\BOONTY Shared\Service\Boonty.exe
O23 - Service: Com4Qlb - Hewlett-Packard Development Company, L.P. - C:\Program Files\Hewlett-Packard\HP Quick Launch Buttons\Com4Qlb.exe
O23 - Service: Biometric Authentication Service (DpHost) - DigitalPersona, Inc. - C:\Program Files\DigitalPersona\Bin\DpHostW.exe
O23 - Service: GameConsoleService - WildTangent, Inc. - C:\Program Files\HP Games\My HP Game Console\GameConsoleService.exe
O23 - Service: Google Update Service (gupdate1c98a09a93c69c9) (gupdate1c98a09a93c69c9) - Google Inc. - C:\Program Files\Google\Update\GoogleUpdate.exe
O23 - Service: Google Software Updater (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: HP Health Check Service - Hewlett-Packard - c:\Program Files\Hewlett-Packard\HP Health Check\hphc_service.exe
O23 - Service: hpqwmiex - Hewlett-Packard Development Company, L.P. - C:\Program Files\Hewlett-Packard\Shared\hpqwmiex.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\11\Intel 32\IDriverT.exe
O23 - Service: BitDefender Desktop Update Service (LIVESRV) - BitDefender S.R.L. - C:\Program Files\Common Files\BitDefender\BitDefender Update Service\livesrv.exe
O23 - Service: NBService - Nero AG - C:\Program Files\Nero\Nero 7\Nero BackItUp\NBService.exe
O23 - Service: NMIndexingService - Nero AG - C:\Program Files\Common Files\Ahead\Lib\NMIndexingService.exe
O23 - Service: NVIDIA Display Driver Service (nvsvc) - NVIDIA Corporation - C:\Windows\system32\nvvsvc.exe
O23 - Service: PunkBuster (PnkBstrA) - Unknown owner - C:\Program Files\Electronic Arts\Medal of Honor Airborne\UnrealEngine3\MOHAGame\pb\PnkBstrA.exe
O23 - Service: QuickPlay Background Capture Service (QBCS) (QPCapSvc) - Unknown owner - C:\Program Files\HP\QuickPlay\Kernel\TV\QPCapSvc.exe
O23 - Service: QuickPlay Task Scheduler (QTS) (QPSched) - Unknown owner - C:\Program Files\HP\QuickPlay\Kernel\TV\QPSched.exe
O23 - Service: Cyberlink RichVideo Service(CRVS) (RichVideo) - Unknown owner - C:\Program Files\CyberLink\Shared Files\RichVideo.exe
O23 - Service: Service CANALPLAY - Canal+ Distribution - C:\Program Files\Lecteur CANALPLAY\CanalPlayService.exe
O23 - Service: TeamViewer 4 (TeamViewer4) - TeamViewer GmbH - C:\Program Files\TeamViewer\Version4\TeamViewer_Service.exe
O23 - Service: BitDefender Virus Shield (VSSERV) - BitDefender S.R.L. - C:\Program Files\BitDefender\BitDefender 2008\vsserv.exe
O23 - Service: SAMSUNG WiselinkPro Service (WiselinkPro) - Unknown owner - C:\Program Files\SAMSUNG\SAMSUNG PC Share Manager\WiselinkPro.exe
O23 - Service: BitDefender Communicator (XCOMM) - Softwin - C:\Program Files\Common Files\BitDefender\BitDefender Communicator\xcommsvr.exe