Ok, c'est fait...
voici le log en question :
Logfile of HijackThis v1.99.1
Scan saved at 15:44:01, on 10/04/2005
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\spoolsv.exe
C:\Program Files\Fichiers communs\EPSON\EBAPI\SAgent2.exe
C:\WINDOWS\System32\FTRTSVC.exe
C:\WINDOWS\system32\wuauclt.exe
C:\WINDOWS\Explorer.EXE
C:\DOCUME~1\jle\LOCALS~1\Temp\maphotos.EXE
C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S10IC2.EXE
C:\Program Files\ahead\InCD\InCD.exe
C:\WINDOWS\autoclk.exe
C:\WINDOWS\System32\qttask.exe
C:\Program Files\Multimedia Card Reader\shwicon2k.exe
C:\Program Files\Java\jre1.5.0_02\bin\jusched.exe
C:\DOCUME~1\fbc\LOCALS~1\Temp\2005410104028_mcinfo.exe
C:\WINDOWS\system32\rundll32.exe
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\system32\rundll32.exe
C:\WINDOWS\system32\RUNDLL32.exe
C:\Program Files\Samsung\Digimax Viewer 2.0\STImgBrowser.exe
C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
C:\tmp\HijackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R3 - URLSearchHook: (no name) - {8952A998-1E7E-4716-B23D-3DBE03910972} - (no file)
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: URLLink Class - {4A2AACF3-ADF6-11D5-98A9-00E018981B9E} - C:\Program Files\NewDotNet\newdotnet6_38.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar2.dll
O2 - BHO: WhIeHelperObj Class - {c900b400-cdfe-11d3-976a-00e02913a9e0} - C:\Program Files\webHancer\programs\whiehlpr.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar2.dll
O4 - HKLM\..\Run: [McAfeeUpdaterUI] "C:\Program Files\Network Associates\Common Framework\UpdaterUI.exe"
O4 - HKLM\..\Run: [EPSON Stylus C44 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S10IC2.EXE /P23 "EPSON Stylus C44 Series" /O6 "USB001" /M "Stylus C44"
O4 - HKLM\..\Run: [NeroCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [InCD] C:\Program Files\ahead\InCD\InCD.exe
O4 - HKLM\..\Run: [QuickTime Task] C:\WINDOWS\System32\qttask.exe
O4 - HKLM\..\Run: [autoclk] autoclk.exe
O4 - HKLM\..\Run: [Sunkist2k] C:\Program Files\Multimedia Card Reader\shwicon2k.exe
O4 - HKLM\..\Run: [webHancer Survey Companion] "C:\Program Files\webHancer\Programs\whSurvey.exe"
O4 - HKLM\..\Run: [New.net Startup] rundll32 C:\PROGRA~1\NEWDOT~1\NEWDOT~2.DLL,NewDotNetStartup -s
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_02\bin\jusched.exe
O4 - HKLM\..\Run: [WildTangent CDA] RUNDLL32.exe "C:\Program Files\WildTangent\Apps\CDA\cdaEngine0400.dll",cdaEngineMain
O4 - HKLM\..\Run: [msci] C:\DOCUME~1\fbc\LOCALS~1\Temp\2005410104028_mcinfo.exe /insfin
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [EPSON Stylus C44 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S10IC2.EXE /P23 "EPSON Stylus C44 Series" /M "Stylus C44"
O4 - HKCU\..\Run: [Yahoo! Pager] C:\PROGRA~1\Yahoo!\MESSEN~1\ypager.exe -quiet
O4 - HKCU\..\Run: [Instant Access] rundll32.exe EGCOMSERVICE_1051.dll,InstantAccess
O4 - Global Startup: Digimax Viewer 2.0.lnk = ?
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O8 - Extra context menu item: &Google Search - res://c:\program files\google\GoogleToolbar2.dll/cmsearch.html
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O8 - Extra context menu item: Pages liées - res://c:\program files\google\GoogleToolbar2.dll/cmbacklinks.html
O8 - Extra context menu item: Pages similaires - res://c:\program files\google\GoogleToolbar2.dll/cmsimilar.html
O8 - Extra context menu item: Version de la page actuelle disponible dans le cache Google - res://c:\program files\google\GoogleToolbar2.dll/cmcache.html
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_02\bin\npjpi150_02.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_02\bin\npjpi150_02.dll
O9 - Extra button: Yahoo! Messenger - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - C:\PROGRA~1\Yahoo!\MESSEN~1\YPager.exe (file missing)
O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - C:\PROGRA~1\Yahoo!\MESSEN~1\YPager.exe (file missing)
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by WebHancer
O10 - Hijacked Internet access by WebHancer
O10 - Hijacked Internet access by WebHancer
O10 - Hijacked Internet access by WebHancer
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by WebHancer
O23 - Service: EPSON Printer Status Agent2 (EPSONStatusAgent2) - SEIKO EPSON CORPORATION - C:\Program Files\Fichiers communs\EPSON\EBAPI\SAgent2.exe
----------------------
dans ce cas précis, le fichier responsable était "maphotos.exe" que j'ai trouvé à la ligne 'C:\DOCUME~1\jle\LOCALS~1\Temp\maphotos.EXE' dans le log...
je l'ai donc effacé mais depuis, les exécutables ne s'exécutent plus !...
Que faire ?...