Cheval de troie, Rootkit, besoin d'aide

Bonjour,
J'ai un soucis de lenteur au démarrage et dans mon surf, de redémarrage en pleine analyse d'antivirus, kaspersky impossible a installer, un netstat saturé, des drivers qui sautent (bluetooth), msn ne veut pas se connecter. J'ai passé spybot, antivir, ccleaner, malwarebytes anti-malwares. Au final mon hijackthis donne ceci :

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 03:06:06, on 23/09/2009
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
Boot mode: Normal

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\csrss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
C:\Program Files\Common Files\G DATA\AVKProxy\AVKProxy.exe
C:\Program Files\G Data\InternetSecurity\AVK\AVKService.exe
C:\Program Files\G Data\InternetSecurity\AVK\AVKWCtl.exe
C:\Program Files\Bonjour\mDNSResponder.exe
C:\Program Files\WIDCOMM\Logiciel Bluetooth\bin\btwdins.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Java\jre6\bin\jqs.exe
C:\Program Files\CDBurnerXP\NMSAccessU.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\WINDOWS\vspc1300.exe
C:\Program Files\Lexmark P910 Series\lxbymon.exe
C:\Program Files\Lexmark P910 Series\ezprint.exe
C:\Program Files\Java\jre6\bin\jusched.exe
C:\Program Files\G Data\InternetSecurity\Firewall\GDFirewallTray.exe
C:\Program Files\G Data\InternetSecurity\AVKTray\AVKTray.exe
C:\Program Files\TomTom HOME 2\TomTomHOMEService.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Windows Live\Messenger\msnmsgr.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\WIDCOMM\Logiciel Bluetooth\BTTray.exe
C:\Program Files\Philips\Philips SPC1300NC Webcam\TrayMin1300.exe
C:\Program Files\Hercules\WiFi Station\WifiStation.exe
C:\Program Files\Common Files\G DATA\GDScan\GDScan.exe
C:\WINDOWS\system32\lxbycoms.exe
C:\Program Files\Windows Live\Contacts\wlcomm.exe
C:\Program Files\G Data\InternetSecurity\Firewall\GDFwSvc.exe
C:\Program Files\G Data\InternetSecurity\GUI\GDSC.exe
c:\program files\g data\internetsecurity\avk\avk.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Documents and Settings\Clem\Desktop\HiJackThis.exe

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
O2 - BHO: G Data WebFilter Class - {0124123D-61B4-456f-AF86-78C53A0790C5} - C:\Program Files\G Data\InternetSecurity\Webfilter\AVKWebIE.dll
O3 - Toolbar: G Data WebFilter - {0124123D-61B4-456f-AF86-78C53A0790C5} - C:\Program Files\G Data\InternetSecurity\Webfilter\AVKWebIE.dll
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: [spc1300] C:\WINDOWS\vspc1300.exe
O4 - HKLM\..\Run: [lxbymon.exe] "C:\Program Files\Lexmark P910 Series\lxbymon.exe"
O4 - HKLM\..\Run: [EzPrint] "C:\Program Files\Lexmark P910 Series\ezprint.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre6\bin\jusched.exe"
O4 - HKLM\..\Run: [LXBYCATS] rundll32 C:\WINDOWS\system32\spool\DRIVERS\W32X86\3\LXBYtime.dll,_RunDLLEntry@16
O4 - HKLM\..\Run: [Malwarebytes Anti-Malware (reboot)] "C:\Program Files\Malwarebytes' Anti-Malware\mbam.exe" /runcleanupscript
O4 - HKLM\..\Run: [GDFirewallTray] C:\Program Files\G Data\InternetSecurity\Firewall\GDFirewallTray.exe
O4 - HKLM\..\Run: [G DATA AntiVirus Trayapplication] C:\Program Files\G Data\InternetSecurity\AVKTray\AVKTray.exe
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\Windows Live\Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'LOCAL SERVICE')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'NETWORK SERVICE')
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 - Global Startup: BTTray.lnk = ?
O4 - Global Startup: Ovi Files Connector.lnk.disabled
O4 - Global Startup: TrayMin1300.lnk = ?
O4 - Global Startup: WiFi Station.lnk = ?
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~3\Office12\EXCEL.EXE/3000
O8 - Extra context menu item: Envoyer à &Bluetooth - C:\Program Files\WIDCOMM\Logiciel Bluetooth\btsendto_ie_ctx.htm
O10 - Unknown file in Winsock LSP: c:\windows\system32\3p6qm3uwwcbh.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\3p6qm3uwwcbh.dll
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/...
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cab
O16 - DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} - http://platformdl.adobe.com/NOS/getPlusPlus/1.6/gp.cab
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\COMMON~1\Skype\SKYPE4~1.DLL
O20 - Winlogon Notify: sebdpp - sebdpp.dll (file missing)
O21 - SSODL: SBfzebPCGEA - {FC6EA43B-56C4-0E91-FD9D-2E66C7CD54EF} - C:\WINDOWS\system32\hx.dll
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: G Data AntiVirus Proxy (AVKProxy) - G DATA Software AG - C:\Program Files\Common Files\G DATA\AVKProxy\AVKProxy.exe
O23 - Service: Planificateur G Data (AVKService) - G Data Software AG - C:\Program Files\G Data\InternetSecurity\AVK\AVKService.exe
O23 - Service: G Data Filesystem Monitor (AVKWCtl) - G Data Software AG - C:\Program Files\G Data\InternetSecurity\AVK\AVKWCtl.exe
O23 - Service: Service Bonjour (Bonjour Service) - Apple Inc. - C:\Program Files\Bonjour\mDNSResponder.exe
O23 - Service: Bluetooth Service (btwdins) - Broadcom Corporation. - C:\Program Files\WIDCOMM\Logiciel Bluetooth\bin\btwdins.exe
O23 - Service: G Data Personal Firewall (GDFwSvc) - G Data Software AG - C:\Program Files\G Data\InternetSecurity\Firewall\GDFwSvc.exe
O23 - Service: G Data Scanner (GDScan) - G Data Software AG - C:\Program Files\Common Files\G DATA\GDScan\GDScan.exe
O23 - Service: Service de l’iPod (iPod Service) - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Program Files\Java\jre6\bin\jqs.exe
O23 - Service: lxby_device - Lexmark International, Inc. - C:\WINDOWS\system32\lxbycoms.exe
O23 - Service: NMSAccessU - Unknown owner - C:\Program Files\CDBurnerXP\NMSAccessU.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: ServiceLayer - Nokia. - C:\Program Files\Nokia\PC Connectivity Solution\ServiceLayer.exe
O23 - Service: TomTomHOMEService - TomTom - C:\Program Files\TomTom HOME 2\TomTomHOMEService.exe