Pc rame beaucoup

Bonsoir tous le monde !
Depuis 1 semaine mon pc rame beaucoup , j'ai fait une analyse HijackThis et une analyse Avira anti virus ; j'aimerais savoir si j'ai des virus . Merci de votre aide .

Analyse HijackThis :

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 18:29:48, on 23/05/2010
Platform: Windows Vista SP1 (WinNT 6.00.1905)
MSIE: Internet Explorer v7.00 (7.00.6001.18444)
Boot mode: Normal

Running processes:
C:\Windows\system32\taskeng.exe
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Program Files\Sony\VAIO Power Management\SPMgr.exe
C:\Program Files\Windows Defender\MSASCui.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Program Files\Sony\ISB Utility\ISBMgr.exe
C:\Program Files\Sony\Marketing Tools\MarketingTools.exe
C:\Program Files\Avira\AntiVir Desktop\avgnt.exe
C:\Program Files\Razer\Diamondback 3G\razerhid.exe
C:\Program Files\Windows Media Player\wmpnscfg.exe
C:\Program Files\Windows Live\Messenger\msnmsgr.exe
C:\Windows\system32\wbem\unsecapp.exe
C:\Program Files\Razer\Diamondback 3G\razertra.exe
C:\Program Files\Razer\Diamondback 3G\razerofa.exe
C:\Windows\system32\wuauclt.exe
C:\Program Files\Sony\Network Utility\LANUtil.exe
C:\Users\Makinn\AppData\Local\Google\Chrome\Application\chrome.exe
C:\Program Files\Windows Live\Contacts\wlcomm.exe
C:\Users\Makinn\AppData\Local\Google\Chrome\Application\chrome.exe
C:\Users\Makinn\AppData\Local\Google\Chrome\Application\chrome.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.club-vaio.com
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
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 = http://www.club-vaio.com
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\Windows\CurrentVersion\Internet Settings,ProxyOverride = local
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O1 - Hosts: ::1 localhost
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: Browser Address Error Redirector - {CA6319C0-31B7-401E-A518-A07C3DB8F777} - C:\PROGRA~1\GOOGLE~1\BAE.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) - {0BF43445-2F28-4351-9252-17FE6E806AA0} - (no file)
O4 - HKLM\..\Run: [Windows Defender] %ProgramFiles%\Windows Defender\MSASCui.exe -hide
O4 - HKLM\..\Run: [RtHDVCpl] RtHDVCpl.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [ISBMgr.exe] "C:\Program Files\Sony\ISB Utility\ISBMgr.exe"
O4 - HKLM\..\Run: [MarketingTools] C:\Program Files\Sony\Marketing Tools\MarketingTools.exe
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKLM\..\Run: [Diamondback] C:\Program Files\Razer\Diamondback 3G\razerhid.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [Malwarebytes Anti-Malware (reboot)] "C:\Program Files\Malwarebytes' Anti-Malware\mbam.exe" /runcleanupscript
O4 - HKLM\..\Run: [DRPU Pc Data manager] "C:\Program Files\DRPU PC Data Manager\apcdm.exe" "hd"
O4 - HKLM\..\Run: [Spykey] C:\Users\Makinn\Documents\Downloads\Spykey.exe
O4 - HKLM\..\Run: [rkfree] "C:\Program Files\rkfree\rkfree.exe" /b
O4 - HKCU\..\Run: [Google Update] "C:\Users\Makinn\AppData\Local\Google\Update\GoogleUpdate.exe" /c
O4 - HKCU\..\Run: [WMPNSCFG] C:\Program Files\Windows Media Player\WMPNSCFG.exe
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\Windows Live\Messenger\msnmsgr.exe" /background
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office12\EXCEL.EXE/3000
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\Office12\REFIEBAR.DLL
O13 - Gopher Prefix:
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\COMMON~1\Skype\SKYPE4~1.DLL
O23 - Service: Avira AntiVir Planificateur (AntiVirSchedulerService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\avguard.exe
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\AppleMobileDeviceService.exe
O23 - Service: Ati External Event Utility - ATI Technologies Inc. - C:\Windows\system32\Ati2evxx.exe
O23 - Service: Service Bonjour (Bonjour Service) - Apple Inc. - C:\Program Files\Bonjour\mDNSResponder.exe
O23 - Service: Intel(R) PROSet/Wireless Event Log (EvtEng) - Intel(R) Corporation - c:\Program Files\Intel\WiFi\bin\EvtEng.exe
O23 - Service: IviRegMgr - InterVideo - c:\Program Files\Common Files\InterVideo\RegMgr\iviRegMgr.exe
O23 - Service: MSCSPTISRV - Unknown owner - C:\Program Files\Common Files\Sony Shared\AVLib\MSCSPTISRV.exe (file missing)
O23 - Service: NSUService - Sony Corporation - C:\Program Files\Sony\Network Utility\NSUService.exe
O23 - Service: PACSPTISVR - Sony Corporation - C:\Program Files\Common Files\Sony Shared\AVLib\PACSPTISVR.exe
O23 - Service: Intel(R) PROSet/Wireless Registry Service (RegSrvc) - Intel(R) Corporation - c:\Program Files\Common Files\Intel\WirelessCommon\RegSrvc.exe
O23 - Service: Realtek Audio Service (RtkAudioService) - Realtek Semiconductor - C:\Windows\RtkAudioService.exe
O23 - Service: VAIO Media plus Content Importer (SOHCImp) - Sony Corporation - C:\Program Files\Sony\VAIO Media plus\SOHCImp.exe
O23 - Service: VAIO Media plus Digital Media Server (SOHDms) - Sony Corporation - C:\Program Files\Sony\VAIO Media plus\SOHDms.exe
O23 - Service: VAIO Media plus Device Searcher (SOHDs) - Sony Corporation - C:\Program Files\Sony\VAIO Media plus\SOHDs.exe
O23 - Service: Sony SPTI Service (SPTISRV) - Unknown owner - C:\Program Files\Common Files\Sony Shared\AVLib\SPTISRV.exe (file missing)
O23 - Service: Steam Client Service - Valve Corporation - C:\Program Files\Common Files\Steam\SteamService.exe
O23 - Service: VAIO Entertainment TV Device Arbitration Service - Sony Corporation - C:\Program Files\Common Files\Sony Shared\VAIO Entertainment Platform\VzHardwareResourceManager\VzHardwareResourceManager\VzHardwareResourceManager.exe
O23 - Service: VAIO Event Service - Sony Corporation - C:\Program Files\Sony\VAIO Event Service\VESMgr.exe
O23 - Service: VAIO Power Management - Sony Corporation - C:\Program Files\Sony\VAIO Power Management\SPMService.exe
O23 - Service: VAIO Content Folder Watcher (VCFw) - Sony Corporation - C:\Program Files\Common Files\Sony Shared\VAIO Content Folder Watcher\VCFw.exe
O23 - Service: VAIO Content Metadata Intelligent Analyzing Manager (VcmIAlzMgr) - Sony Corporation - C:\Program Files\Sony\VCM Intelligent Analyzing Manager\VcmIAlzMgr.exe
O23 - Service: VAIO Content Metadata XML Interface (VcmXmlIfHelper) - Sony Corporation - C:\Program Files\Common Files\Sony Shared\VcmXml\VcmXmlIfHelper.exe
O23 - Service: VAIO Entertainment UPnP Client Adapter (Vcsw) - Sony Corporation - C:\Program Files\Common Files\Sony Shared\VAIO Entertainment Platform\VCSW\VCSW.exe
O23 - Service: VUAgent - Sony Corporation - C:\Program Files\Sony\VAIO Update 5\VUAgent.exe
O23 - Service: VAIO Entertainment Database Service (VzCdbSvc) - Sony Corporation - C:\Program Files\Common Files\Sony Shared\VAIO Entertainment Platform\VzCdb\VzCdbSvc.exe
O23 - Service: XAudioService - Conexant Systems, Inc. - C:\Windows\system32\DRIVERS\xaudio.exe
O23 - Service: Zwangie Service - Unknown owner - C:\ProgramData\Zwangie\zwangie141.exe