Probleme virale

Bonjour, et oui encore moi j'ai toujours des problemes avec mon ordinateur j'ai remarqué ceci:

Quand j'ouvre le gestionnaire de tache il a des applications que je n'ai jamais vu et depuis aujourdhui mon ordinateur semble être lent

Voici le rapport Hijackthis:

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 19:22:32, on 06/12/2008
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16735)
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\acs.exe
C:\Program Files\Avira\Avira Premium Security Suite\sched.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\a-squared Anti-Malware\a2service.exe
C:\Program Files\Avira\Avira Premium Security Suite\avguard.exe
C:\Program Files\Avira\Avira Premium Security Suite\avesvc.exe
C:\Program Files\Bonjour\mDNSResponder.exe
c:\Program Files\Fichiers communs\LightScribe\LSSrvc.exe
C:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.exe
C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\Program Files\Avira\Avira Premium Security Suite\avgnt.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Microsoft ActiveSync\wcescomm.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\documents and settings\mustapha\local settings\application data\ohqrb.exe
c:\Program Files\ATI Technologies\ATI.ACE\Core-Static\MOM.EXE
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtMng.exe
C:\PROGRA~1\MI3AA1~1\rapimgr.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosA2dp.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtHid.exe
C:\Program Files\Fichiers communs\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtHsp.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\StkCSrv.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtSrv.exe
C:\Program Files\Avira\Avira Premium Security Suite\AVWEBGRD.EXE
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosAVRC.exe
C:\WINDOWS\system32\ZoneLabs\vsmon.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\tosOBEX.exe
C:\WINDOWS\system32\wscntfy.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\tosBtProc.exe
C:\WINDOWS\system32\wuauclt.exe
c:\Program Files\ATI Technologies\ATI.ACE\Core-Static\ccc.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Documents and Settings\MUSTAPHA\Bureau\HiJackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://windowsxlive.net/
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
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = 213.41.71.164:80
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = plimus.com;www.plimus.com;regnow.com;www.regnow.com;*.local
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: Yahoo! Toolbar avec bloqueur de fenêtres pop-up - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - (no file)
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - (no file)
O2 - BHO: Adobe PDF Link Helper - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Fichiers communs\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O2 - BHO: Programme d'aide de l'Assistant de connexion Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Fichiers communs\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [ZoneAlarm Client] "C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe"
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\Avira Premium Security Suite\avgnt.exe" /min
O4 - HKLM\..\Run: [a-squared] "C:\Program Files\a-squared Anti-Malware\a2guard.exe"
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [StartCCC] c:\Program Files\ATI Technologies\ATI.ACE\Core-Static\CLIStart.exe
O4 - HKCU\..\Run: [ccleaner] "C:\Documents and Settings\MUSTAPHA\Bureau\CCleaner\CCleaner.exe" /AUTO
O4 - HKCU\..\Run: [H/PC Connection Agent] "C:\Program Files\Microsoft ActiveSync\wcescomm.exe"
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\MSN Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [ohqrb] "c:\documents and settings\mustapha\local settings\application data\ohqrb.exe" ohqrb
O4 - S-1-5-18 Startup: CCC.lnk = ? (User 'SYSTEM')
O4 - S-1-5-18 Startup: autostart.exe (User 'SYSTEM')
O4 - .DEFAULT Startup: CCC.lnk = ? (User 'Default user')
O4 - .DEFAULT Startup: autostart.exe (User 'Default user')
O4 - Startup: CCC.lnk = ?
O4 - Startup: autostart.exe
O4 - Global Startup: Bluetooth Manager.lnk = ?
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office12\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O9 - Extra button: Create Mobile Favorite - {2EAF5BB1-070F-11D3-9307-00C04FAE2D4F} - C:\PROGRA~1\MI3AA1~1\INetRepl.dll
O9 - Extra button: (no name) - {2EAF5BB2-070F-11D3-9307-00C04FAE2D4F} - C:\PROGRA~1\MI3AA1~1\INetRepl.dll
O9 - Extra 'Tools' menuitem: Créer un Favori de l'appareil mobile... - {2EAF5BB2-070F-11D3-9307-00C04FAE2D4F} - C:\PROGRA~1\MI3AA1~1\INetRepl.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\Office12\REFIEBAR.DLL
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
O10 - Unknown file in Winsock LSP: c:\windows\system32\nwprovau.dll
O14 - IERESET.INF: START_PAGE_URL=https://www.asus.com/fr/
O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} (YInstStarter Class) - C:\Program Files\Yahoo!\Common\yinsthelper.dll
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: Domain = ORDI
O17 - HKLM\Software\..\Telephony: DomainName = ORDI
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: Domain = ORDI
O17 - HKLM\System\CS2\Services\Tcpip\Parameters: Domain = ORDI
O17 - HKLM\System\CS3\Services\Tcpip\Parameters: Domain = ORDI
O23 - Service: a-squared Anti-Malware Service (a2AntiMalware) - Emsi Software GmbH - C:\Program Files\a-squared Anti-Malware\a2service.exe
O23 - Service: Service de configuration Atheros (ACS) - Atheros - C:\WINDOWS\system32\acs.exe
O23 - Service: Planificateur Avira Premium Security Suite (AntiVirScheduler) - Avira GmbH - C:\Program Files\Avira\Avira Premium Security Suite\sched.exe
O23 - Service: Avira Premium Security Suite Guard (AntiVirService) - Avira GmbH - C:\Program Files\Avira\Avira Premium Security Suite\avguard.exe
O23 - Service: Avira Premium Security Suite WebGuard (antivirwebservice) - Avira GmbH - C:\Program Files\Avira\Avira Premium Security Suite\AVWEBGRD.EXE
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: Service d'assistance Avira Premium Security Suite MailGuard (AVEService) - Avira GmbH - C:\Program Files\Avira\Avira Premium Security Suite\avesvc.exe
O23 - Service: Service Bonjour (Bonjour Service) - Apple Inc. - C:\Program Files\Bonjour\mDNSResponder.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - c:\Program Files\Fichiers communs\LightScribe\LSSrvc.exe
O23 - Service: Remote Packet Capture Protocol v.0 (experimental) (rpcapd) - CACE Technologies - C:\Program Files\WinPcap\rpcapd.exe
O23 - Service: SiSoftware Deployment Agent Service (SandraAgentSrv) - SiSoftware - C:\Program Files\SiSoftware\SiSoftware Sandra Lite 2009\RpcAgentSrv.exe
O23 - Service: Syntek AVStream USB2.0 WebCam Service (StkSSrv) - Syntek America Inc. - C:\WINDOWS\System32\StkCSrv.exe
O23 - Service: TOSHIBA Bluetooth Service - TOSHIBA CORPORATION - C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtSrv.exe