Analyse de mon log hijackthis!!!

Bonjour,

J'ai été obligé de formater mon ordi il y a quelques jours et depuis c'est de pire en pire!!!! J'y connais vraiment pas grand chose mais j'ai vu qu'apparament laplupart des problemes peuvent se regler a partir 'dun scan hijackthis. Donc, un téléchargement et le voila! Que dois-je faire????

Logfile of HijackThis v1.99.1
Scan saved at 16:04:44, on 05/10/2006
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Symantec AntiVirus\DefWatch.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Symantec AntiVirus\Rtvscan.exe
C:\WINDOWS\update\updmgr.exe
C:\WINDOWS\System32\w32dtc.exe
C:\WINDOWS\System32\glxvjeevyuv.exe
C:\WINDOWS\System32\algs.exe
C:\DOCUME~1\PROPRI~1\LOCALS~1\Temp\~A.tmp.exe
C:\WINDOWS\System32\svchost32.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\DOCUME~1\PROPRI~1\LOCALS~1\Temp\~D.tmp.exe
C:\DOCUME~1\PROPRI~1\LOCALS~1\Temp\~E.tmp.exe
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\PROGRA~1\SYMANT~1\vptray.exe
C:\DOCUME~1\PROPRI~1\LOCALS~1\Temp\~11.tmp.exe
C:\WINDOWS\System32\svchost32.exe
C:\DOCUME~1\PROPRI~1\LOCALS~1\Temp\~12.tmp.exe
C:\DOCUME~1\PROPRI~1\LOCALS~1\Temp\~15.tmp.exe
C:\DOCUME~1\PROPRI~1\LOCALS~1\Temp\~17.tmp.exe
C:\DOCUME~1\PROPRI~1\LOCALS~1\Temp\~19.tmp.exe
C:\WINDOWS\System32\dumprep.exe
C:\WINDOWS\System32\dumprep.exe
C:\Program Files\HijackThis.exe
C:\WINDOWS\System32\taskmgr.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.google.fr/?gws_rd=ssl
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O1 - Hosts: 255.255.255.255 ar.atwola.com atdmt.com avp.ch avp.com avp.ru awaps.net ca.com dispatch.mcafee.com download.mcafee.com download.microsoft.com downloads.microsoft.com engine.awaps.net f-secure.com ftp.f-secure.com ftp.sophos.com go.microsoft.com liveupdate.symantec.com mast.mcafee.com mcafee.com msdn.microsoft.com my-etrust.com nai.com networkassociates.com office.microsoft.com phx.corporate-ir.net secure.nai.com securityresponse.symantec.com service1.symantec.com sophos.com spd.atdmt.com support.microsoft.com symantec.com update.symantec.com updates.symantec.com us.mcafee.com vil.nai.com viruslist.ru windowsupdate.microsoft.com www.avp.ch www.avp.com www.avp.ru www.awaps.net www.ca.com www.f-secure.com www.kaspersky.ru www.mcafee.com www.my-etrust.com www.nai.com www.networkassociates.com www.sophos.com www.symantec.com www.trendmicro.com www.viruslist.com www.viruslist.ru www3.ca.com
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [Local Security Authority Service] C:\WINDOWS\System32\lssas.exe
O4 - HKLM\..\Run: [Microsoft (R) Windows Update Manager] C:\WINDOWS\update\updmgr.exe
O4 - HKLM\..\Run: [iZxV] C:\WINDOWS\System32\olkol.exe
O4 - HKLM\..\Run: [Windows Explorer] C:\WINDOWS\System32\explorer.exe
O4 - HKLM\..\Run: [SchedulingAgent] mstinit.exe /firstlogon
O4 - HKLM\..\Run: [Windows Network Firewall] C:\WINDOWS\System32\firewall.exe
O4 - HKLM\..\Run: [Application Layer Gateway Service] C:\WINDOWS\System32\algs.exe
O4 - HKLM\..\Run: [Microsoft Windows Update 32] svchost32.exe
O4 - HKLM\..\Run: [Windows Update] host.exe
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [SynTPLpr] C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [ATIModeChange] Ati2mdxx.exe
O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [vptray] C:\PROGRA~1\SYMANT~1\vptray.exe
O4 - HKLM\..\RunServices: [Microsoft Windows Update 32] svchost32.exe
O4 - HKLM\..\RunServices: [iZxV] C:\WINDOWS\System32\olkol.exe
O4 - HKLM\..\RunServices: [Windows Update] host.exe
O4 - HKLM\..\RunOnce: [Microsoft Windows Update 32] svchost32.exe
O4 - HKCU\..\Run: [Microsoft Windows Update 32] svchost32.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\RunOnce: [Microsoft Windows Update 32] svchost32.exe
O20 - Winlogon Notify: NavLogon - C:\WINDOWS\System32\NavLogon.dll
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\System32\Ati2evxx.exe
O23 - Service: DefWatch - Symantec Corporation - C:\Program Files\Symantec AntiVirus\DefWatch.exe
O23 - Service: Symantec AntiVirus Client (Norton AntiVirus Server) - Symantec Corporation - C:\Program Files\Symantec AntiVirus\Rtvscan.exe
O23 - Service: Windows Update Manager (UpdateManager) - Unknown owner - C:\WINDOWS\update\updmgr.exe
O23 - Service: Windows Data Control (W32DTC) - Unknown owner - C:\WINDOWS\System32\w32dtc.exe

Merci de me sauver!!!!!