Voici le rapport hijackthis:
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 13:45:35, on 11/03/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Boot mode: Normal
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\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\Explorer.EXE
C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb10.exe
C:\WINDOWS\system32\VTTimer.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Program Files\Messenger\msmsgs.exe
C:\PROGRA~1\MOZILL~1\FIREFOX.EXE
C:\Program Files\Adobe\Acrobat 6.0\Distillr\acrotray.exe
C:\Program Files\Silicon Image, Inc\SiICfg\SiICfg.exe
C:\Program Files\PowerArchiver\POWERARC.EXE
C:\HijackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: Yahoo! Toolbar avec bloqueur de fenêtres pop-up - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O1 - Hosts: 82.146.60.44 postbank.de
O1 - Hosts: 82.146.60.44
http://www.postbank.deO1 - Hosts: 82.146.60.44 banking.postbank.de
O1 - Hosts: 82.146.60.44 direkt.postbank.de
O1 - Hosts: 82.146.60.44
http://www.smile.co.ukO1 - Hosts: 82.146.60.44 smile.co.uk
O1 - Hosts: 82.146.60.44 cahoot.com
O1 - Hosts: 82.146.60.44
http://www.cahoot.comO1 - Hosts: 82.146.60.44
http://www.cahoot.co.ukO1 - Hosts: 82.146.60.44 cahoot.co.uk
O1 - Hosts: 82.146.60.44
http://www.co-operativebank.co.ukO1 - Hosts: 82.146.60.44 co-operativebank.co.uk
O1 - Hosts: 82.146.60.44
http://www.co-operativebank.comO1 - Hosts: 82.146.60.44 co-operativebank.com
O1 - Hosts: 82.146.60.44 personal.barclays.co.uk
O1 - Hosts: 82.146.60.44 barclays.co.uk
O1 - Hosts: 82.146.60.44 ibank.barclays.co.uk
O1 - Hosts: 82.146.60.44
http://www.barclays.co.ukO1 - Hosts: 82.146.60.44 barclays.touchclarity.com
O1 - Hosts: 82.146.60.44 hsbc.co.uk
O1 - Hosts: 82.146.60.44
http://www.hsbc.co.ukO1 - Hosts: 82.146.60.44 hsbc.touchclarity.com
O1 - Hosts: 82.146.60.44 www1.member-hsbc-group.com
O1 - Hosts: 82.146.60.44 lloydstsb.co.uk
O1 - Hosts: 82.146.60.44
http://www.lloydstsb.co.ukO1 - Hosts: 82.146.60.44 lloydstsb.com
O1 - Hosts: 82.146.60.44
http://www.lloydstsb.comO1 - Hosts: 82.146.60.44 mi.lloydstsb.com
O1 - Hosts: 82.146.60.44
http://www.woolwich.co.ukO1 - Hosts: 82.146.60.44 woolwich.co.uk
O1 - Hosts: 82.146.60.44
http://www.deutsche-bank.deO1 - Hosts: 82.146.60.44 deutsche-bank.de
O1 - Hosts: 82.146.60.44 meine.deutsche-bank.de
O1 - Hosts: 82.146.60.44
http://www.anbusiness.comO1 - Hosts: 82.146.60.44 anbusiness.com
O1 - Hosts: 82.146.60.44
http://www.abbeyinternational.comO1 - Hosts: 82.146.60.44
http://www.barclays.comO1 - Hosts: 82.146.60.44 barclays.com
O1 - Hosts: 82.146.60.44 ibank.internationalbanking.barclays.com
O1 - Hosts: 82.146.60.44 offshore.hsbc.com
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: AcroIEToolbarHelper Class - {AE7CD045-E861-484f-8273-0445EE161910} - C:\Program Files\Adobe\Acrobat 6.0\Acrobat\AcroIEFavClient.dll
O3 - Toolbar: Adobe PDF - {47833539-D0C5-4125-9FA8-0819E2EAAC93} - C:\Program Files\Adobe\Acrobat 6.0\Acrobat\AcroIEFavClient.dll
O3 - Toolbar: Yahoo! Toolbar avec bloqueur de fenêtres pop-up - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb10.exe
O4 - HKLM\..\Run: [VTTimer] VTTimer.exe
O4 - HKLM\..\Run: [VTTrayp] VTtrayp.exe
O4 - HKLM\..\Run: [NeroFilterCheck] C:\Program Files\Fichiers communs\Ahead\Lib\NeroCheck.exe
O4 - HKLM\..\Run: [SMSERIAL] sm56hlpr.exe
O4 - HKLM\..\Run: [Synchronization Manager] %SystemRoot%\system32\mobsync.exe /logon
O4 - HKLM\..\Run: [Microsoft Network Services Controller] C:\WINDOWS\System32\mmsvc32.exe
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [AROReminder] C:\Program Files\Advanced Registry Optimizer\ARO.exe -rem
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\S-1-5-18\..\RunOnce: [nlpo_01] rundll32 advpack.dll,DelNodeRunDLL32 "C:\WINDOWS\Srchasst" (User 'SYSTEM')
O4 - HKUS\S-1-5-18\..\RunOnce: [nlpo_05] cmd.exe /C move /Y "%SystemRoot%\System32\syssetub.dll" "%SystemRoot%\System32\syssetup.dll" (User 'SYSTEM')
O4 - HKUS\S-1-5-18\..\RunOnce: [nlpo_06] rundll32 advpack.dll,LaunchINFSection nlite.inf,nLiteReg (User 'SYSTEM')
O4 - HKUS\S-1-5-18\..\RunOnce: [nlpo_07] rundll32 advpack.dll,LaunchINFSection nlite.inf,S (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User 'Default user')
O4 - HKUS\.DEFAULT\..\RunOnce: [nlpo_01] rundll32 advpack.dll,DelNodeRunDLL32 "C:\WINDOWS\Srchasst" (User 'Default user')
O4 - Global Startup: Acrobat Assistant.lnk = C:\Program Files\Adobe\Acrobat 6.0\Distillr\acrotray.exe
O4 - Global Startup: SiICfg.lnk = C:\Program Files\Silicon Image, Inc\SiICfg\SiICfg.exe
O8 - Extra context menu item: E&xporter vers Microsoft Excel -
res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O10 - Unknown file in Winsock LSP: c:\windows\system32\nwprovau.dll
O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} (YInstStarter Class) - C:\Program Files\Yahoo!\Common\yinsthelper.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 - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: NBService - Nero AG - C:\Program Files\Nero\Nero 7\Nero BackItUp\NBService.exe
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End of file - 6714 bytes
merci!