Merci pour vos reponses
avant de me connecter a internet j'installe avast et zone alarm donc le probleme ne vient pas de la.
j'ai installé SDFix et voici le rapport:
SDFix: Version 1.59
17/01/2007 - 16:05:31,28
Microsoft Windows XP [version 5.1.2600]
Running From: C:\SDFix
Safe Mode:
Checking Services:
Name:
Windows Messenger
Path:
"C:\WINDOWS\msnmsgr.exe"
Windows Messenger Deleted
Restoring Windows Registry Entries
Restoring Default Hosts File
C:\WINDOWS\system32\Microsoft\backup.ftp Found...
C:\WINDOWS\system32\Microsoft\backup.tftp Found...
Checking files:
Genuine:
C:\WINDOWS\system32\Microsoft\backup.ftp
C:\WINDOWS\system32\Microsoft\backup.tftp
C:\WINDOWS\system32\ftp.exe
Dummy:
C:\WINDOWS\system32\tftp.exe
C:\WINDOWS\system32\dllcache\tftp.exe
Files copied to SDFix\Backups
Restoring files if backups are found
Final Check:
Genuine:
C:\WINDOWS\system32\Microsoft\backup.ftp
C:\WINDOWS\system32\Microsoft\backup.tftp
C:\WINDOWS\system32\ftp.exe
C:\WINDOWS\system32\tftp.exe
C:\WINDOWS\system32\dllcache\ftp.exe
C:\WINDOWS\system32\dllcache\tftp.exe
Dummy:
C:\WINDOWS\system32\Microsoft\backup.ftp Found...
C:\WINDOWS\system32\Microsoft\backup.tftp Found...
Checking files:
Genuine:
C:\WINDOWS\system32\Microsoft\backup.ftp
C:\WINDOWS\system32\Microsoft\backup.tftp
C:\WINDOWS\system32\ftp.exe
C:\WINDOWS\system32\tftp.exe
C:\WINDOWS\system32\dllcache\ftp.exe
C:\WINDOWS\system32\dllcache\tftp.exe
Dummy:
Rebooting
Normal Mode:
Checking Files:
Files will be copied to Backups folder then removed:
C:\WINDOWS\system32\i - Deleted
C:\WINDOWS\system32\Isass.exe - Deleted
C:\WINDOWS\system32\lssas.exe - Deleted
C:\WINDOWS\system32\Microsoft\backup.ftp - Deleted
C:\WINDOWS\system32\Microsoft\backup.tftp - Deleted
C:\WINDOWS\system32\scvhost.exe - Deleted
C:\WINDOWS\system32\spooIsv.exe - Deleted
Alternate Stream Check:
C:\WINDOWS\system32
No streams found.
Final Check:
Remaining Services:
------------------
Authorized Application Key Export:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List]
"%windir%\\system32\\sessmgr.exe"="%windir%\\system32\\sessmgr.exe:*:enabled:@xpsp2res.dll,-22019"
"C:\\Program Files\\MSN Messenger\\msnmsgr.exe"="C:\\Program Files\\MSN Messenger\\msnmsgr.exe:*:Enabled:Windows Live Messenger 8.0"
"C:\\Program Files\\MSN Messenger\\msncall.exe"="C:\\Program Files\\MSN Messenger\\msncall.exe:*:Enabled:Windows Live Messenger 8.0 (Phone)"
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List]
"%windir%\\system32\\sessmgr.exe"="%windir%\\system32\\sessmgr.exe:*:enabled:@xpsp2res.dll,-22019"
"C:\\Program Files\\MSN Messenger\\msnmsgr.exe"="C:\\Program Files\\MSN Messenger\\msnmsgr.exe:*:Enabled:Windows Live Messenger 8.0"
"C:\\Program Files\\MSN Messenger\\msncall.exe"="C:\\Program Files\\MSN Messenger\\msncall.exe:*:Enabled:Windows Live Messenger 8.0 (Phone)"
Remaining Files:
---------------
Backups Folder: - C:\SDFix\backups\backups.zip
Checking For Files with Hidden Attributes :
C:\NTDETECT.COM
C:\WINDOWS\system32\iifccyy.dll
C:\WINDOWS\system32\rqolk.dll
C:\WINDOWS\system32\bqohtmnv.exe
C:\WINDOWS\system32\cdplayer.exe.manifest
C:\WINDOWS\system32\ckjv.exe
C:\WINDOWS\system32\guayaigb.exe
C:\WINDOWS\system32\ilkniph.exe
C:\WINDOWS\system32\itgmkmyb.exe
C:\WINDOWS\system32\kyopzsac.exe
C:\WINDOWS\system32\logonui.exe.manifest
C:\WINDOWS\system32\lwbjc.exe
C:\WINDOWS\system32\onwoo.exe
C:\WINDOWS\system32\rnzdnyc.exe
C:\WINDOWS\system32\uulrerh.exe
C:\WINDOWS\system32\vehpioh.exe
C:\WINDOWS\system32\wweh.exe
C:\WINDOWS\system32\zldrvnm.exe
C:\IO.SYS
C:\MSDOS.SYS
C:\pagefile.sys
C:\WINDOWS\SoftwareDistribution\Download\S-1-5-18\0b8e648aa27e3d43e0c4171074ebb2cb\BIT8.tmp
C:\WINDOWS\SoftwareDistribution\Download\S-1-5-18\151d391a3b44491efc77d331ddebc3c6\BIT5.tmp
C:\WINDOWS\SoftwareDistribution\Download\S-1-5-18\d1b29ea9af60865342221d1a1dac1909\BIT1B.tmp
C:\WINDOWS\SoftwareDistribution\Download\S-1-5-18\e6ca73f609cdf4756124b25ba5dade46\BIT17.tmp
Finished
j'ai egalement refai une analyse hijackthis:
Logfile of HijackThis v1.99.1
Scan saved at 16:24:34, on 17/01/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
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\system32\ZoneLabs\vsmon.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\system32\notepad.exe
C:\Program Files\ltmoh\Ltmoh.exe
C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\SAMSUNG\SENS Keyboard V4 Launcher\SENSKBD.EXE
C:\Program Files\Java\j2re1.4.2_03\bin\jusched.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Documents and Settings\Nathalie\Bureau\HijackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [AGRSMMSG] AGRSMMSG.exe
O4 - HKLM\..\Run: [LtMoh] C:\Program Files\ltmoh\Ltmoh.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: [SENS Keyboard V4 Launcher] "C:\Program Files\SAMSUNG\SENS Keyboard V4 Launcher\SENSKBD.EXE"
O4 - HKLM\..\Run: [PRONoMgr.exe] C:\Program Files\Intel\PROSetWireless\NCS\PROSet\PRONoMgr.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\j2re1.4.2_03\bin\jusched.exe
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [Zone Labs Client] "C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe"
O4 - HKLM\..\Run: [DllRunning] rundll32.exe "C:\WINDOWS\System32\fyxcmucc.dll",setvm
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_03\bin\npjpi142_03.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_03\bin\npjpi142_03.dll
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/...
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - Unknown owner - C:\WINDOWS\System32\nvsvc32.exe (file missing)
O23 - Service: RegSrvc - Unknown owner - C:\WINDOWS\System32\RegSrvc.exe (file missing)
O23 - Service: Spectrum24 Event Monitor (S24EventMonitor) - Unknown owner - C:\WINDOWS\System32\S24EvMon.exe (file missing)
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINDOWS\system32\ZoneLabs\vsmon.exe
je vous remercie encore pour votre aide
florence