[XP] redemarre seul system/services.exe

bonjour
mon ordinateur redemarre tout seul a cause de system/services.exe
le rapport de hijack donne :

Logfile of HijackThis v1.99.1
Scan saved at 13:19:01, on 11/03/2007
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\System32\irdvxc.exe
C:\WINDOWS\System32\urdvxc.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\System32\sstray.exe
C:\Program Files\Trust\Trust MD3100 USB ADSL MODEM\CnxDslTb.exe
C:\WINDOWS\System32\RUNDLL32.EXE
C:\Program Files\Java\jre1.5.0_11\bin\jusched.exe
C:\WINDOWS\System32\ctfmon.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\Program Files\Steam\Steam.exe
C:\Program Files\Club-Internet\Lanceur\lanceur.exe
C:\WINDOWS\System32\wuauclt.exe
C:\PROGRA~1\MOZILL~1\FIREFOX.EXE
C:\Documents and Settings\christophe\Bureau\Scanner.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://actus.sfr.fr
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = https://actus.sfr.fr
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Internet Explorer avec Club-Internet
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_11\bin\ssv.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [nForce Tray Options] sstray.exe /r
O4 - HKLM\..\Run: [CnxDslTaskBar] "C:\Program Files\Trust\Trust MD3100 USB ADSL MODEM\CnxDslTb.exe"
O4 - HKLM\..\Run: [Windows Logon Application] C:\WINDOWS\System32\winIogon.exe
O4 - HKLM\..\Run: [Services] C:\WINDOWS\System32\jhcz.exe
O4 - HKLM\..\Run: [Network Host Service] bkxrluw32.exe
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: [KAVPersonal50] C:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus Personal\kav.exe /minimize
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [Offices Monitorse] C:\WINDOWS\System32\algose32.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.5.0_11\bin\jusched.exe"
O4 - HKLM\..\RunServices: [Network Host Service] bkxrluw32.exe
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [Offices Monitorse] C:\WINDOWS\System32\algose32.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [Steam] "C:\Program Files\Steam\Steam.exe" -silent
O4 - Startup: Club Internet.lnk = C:\Program Files\Club-Internet\Lanceur\lanceur.exe
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_11\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_11\bin\ssv.dll
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O17 - HKLM\System\CCS\Services\Tcpip\..\{FF0991B7-73CE-4A17-BBA1-10CDA50DCB83}: NameServer = 194.117.200.10 194.117.200.15
O23 - Service: kavsvc - Kaspersky Labs - C:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus Personal\kavsvc.exe
O23 - Service: Network helper Service (MSDisk) - Unknown owner - C:\WINDOWS\System32\irdvxc.exe" /service (file missing)
O23 - Service: Network Windows Service (MSWindows) - Unknown owner - C:\WINDOWS\System32\urdvxc.exe" /service (file missing)
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe

merci de m'aider