Ordi qui gele

Bonjour,
mon ordi gèle quand je vais sur internet je poste un log hijack pouvez vous me dire se qui cloche svp merci
cordialement alex

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 00:23:35, on 2008-08-09
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Boot mode: Normal

Running processes:
F:\WINDOWS\System32\smss.exe
F:\WINDOWS\system32\winlogon.exe
F:\WINDOWS\system32\services.exe
F:\WINDOWS\system32\lsass.exe
F:\WINDOWS\system32\svchost.exe
F:\WINDOWS\System32\svchost.exe
F:\WINDOWS\Explorer.EXE
F:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
F:\Program Files\Alwil Software\Avast4\ashServ.exe
F:\PROGRA~1\AVG\AVG8\avgtray.exe
F:\Program Files\Winamp\winampa.exe
F:\Program Files\Java\jre1.6.0_07\bin\jusched.exe
F:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
F:\WINDOWS\system32\ctfmon.exe
F:\Program Files\Messenger\msmsgs.exe
F:\Program Files\Fichiers communs\Ahead\lib\NMBgMonitor.exe
F:\WINDOWS\system32\spoolsv.exe
F:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
F:\PROGRA~1\AVG\AVG8\avgrsx.exe
F:\PROGRA~1\AVG\AVG8\avgemc.exe
F:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
F:\Program Files\Alwil Software\Avast4\ashWebSv.exe
F:\Program Files\Outlook Express\msimn.exe
F:\WINDOWS\system32\wuauclt.exe
F:\Program Files\Mozilla Firefox\firefox.exe
F:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - F:\Program Files\Fichiers communs\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: WormRadar.com IESiteBlocker.NavFilter - {3CA2F312-6F6E-4B53-A66E-4E65E497C8C0} - F:\Program Files\AVG\AVG8\avgssie.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - F:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O4 - HKLM\..\Run: [NeroFilterCheck] F:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [AVG8_TRAY] F:\PROGRA~1\AVG\AVG8\avgtray.exe
O4 - HKLM\..\Run: [WinampAgent] "F:\Program Files\Winamp\winampa.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "F:\Program Files\Java\jre1.6.0_07\bin\jusched.exe"
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "F:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [avast!] F:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKCU\..\Run: [CTFMON.EXE] F:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] "F:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [BgMonitor_{79662E04-7C6C-4d9f-84C7-88D8A56B10AA}] "F:\Program Files\Fichiers communs\Ahead\lib\NMBgMonitor.exe"
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] F:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] F:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] F:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] F:\WINDOWS\system32\CTFMON.EXE (User 'Default user')
O4 - Global Startup: Microsoft Office.lnk = F:\Program Files\Microsoft Office\Office10\OSA.EXE
O8 - Extra context menu item: E&xport to Microsoft Excel - res://F:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - F:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - F:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - F:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - F:\Program Files\Messenger\msmsgs.exe
O18 - Protocol: linkscanner - {F274614C-63F8-47D5-A4D1-FBDDE494F8D1} - F:\Program Files\AVG\AVG8\avgpp.dll
O20 - AppInit_DLLs: avgrsstx.dll
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - F:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - ALWIL Software - F:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - F:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - F:\Program Files\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: AVG8 E-mail Scanner (avg8emc) - AVG Technologies CZ, s.r.o. - F:\PROGRA~1\AVG\AVG8\avgemc.exe
O23 - Service: AVG8 WatchDog (avg8wd) - AVG Technologies CZ, s.r.o. - F:\PROGRA~1\AVG\AVG8\avgwdsvc.exe