Au démarrage de mon ordi, une application essaie de s'exécuter et plusieurs fenêtres apparaissent avec le message "some files cannot be created"... puis une fenêtre WINRAR listant des fichiers comme "mtu.bat.txt" "re12.reg" "blank.html" "re11.reg" et "xpupdate2a.exe" 
J'ai scanné avec plusieurs logiciels et effacer déjà plusieurs trojan, mais toujours le même problème au démarrage... 
  si quelqu'un peu m'aider à déchiffrer la log que j'obtiens avec hijackthis... 
Logfile of HijackThis v1.99.1 
Scan saved at 22:33:14, on 14/06/2005 
Platform: Windows XP  (WinNT 5.01.2600) 
MSIE: Internet Explorer v6.00 (6.00.2600.0000) 
  
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:\WINDOWS\System32\Ati2evxx.exe 
C:\WINDOWS\system32\crypserv.exe 
c:\Program Files\Norton AntiVirus\navapsvc.exe 
C:\WINDOWS\Explorer.EXE 
C:\Program Files\Synaptics\SynTP\SynTPLpr.exe 
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe 
C:\WINDOWS\System32\atiptaxx.exe 
C:\PROGRA~1\NORTON~1\navapw32.exe 
C:\Program Files\Roxio\Easy CD Creator 5\DirectCD\DirectCD.exe 
C:\Program Files\QuickTime\qttask.exe 
C:\Program Files\Java\jre1.5.0_01\bin\jusched.exe 
C:\Program Files\ClamWin\bin\ClamTray.exe 
C:\WINDOWS\System32\MSASP32.exe 
C:\WINDOWS\System32\csrs.exe 
C:\WINDOWS\System32\msnq3insller.exe 
C:\WINDOWS\System32\ctfmon.exe 
C:\Program Files\Messenger\msmsgs.exe 
C:\WINDOWS\System32\MSASP32.exe 
C:\WINDOWS\System32\msnq3insller.exe 
C:\Program Files\Adobe\Acrobat 5.0\Distillr\AcroTray.exe 
C:\Program Files\Larousse\Encyclopédie Universelle Larousse\bin\hyperappel.exe 
C:\Program Files\Fichiers communs\Microsoft Shared\Works Shared\wkcalrem.exe 
C:\Program Files\Internet Explorer\IEXPLORE.EXE 
C:\Documents and Settings\Isabelle\Bureau\HijackThis.exe 
  
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/ 
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.euro.dell.com/countries/fr/fra/gen/default.htm 
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.euro.dell.com/countries/fr/fra/gen/default.htm 
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens 
R3 - URLSearchHook: (no name) - _{CFBFAE00-17A6-11D0-99CB-00C04FD64497} - (no file) 
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Acrobat\ActiveX\AcroIEHelper.ocx 
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - c:\Program Files\Norton AntiVirus\NavShExt.dll 
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx 
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - c:\Program Files\Norton AntiVirus\NavShExt.dll 
O3 - Toolbar: Easy-WebPrint - {327C2873-E90D-4c37-AA9D-10AC9BABA46C} - C:\Program Files\Canon\Easy-WebPrint\Toolband.dll 
O4 - HKLM\..\Run: [Microsoft Works Portfolio] C:\Program Files\Microsoft Works\WksSb.exe /AllUsers 
O4 - HKLM\..\Run: [Microsoft Works Update Detection] C:\Program Files\Microsoft Works\WkDetect.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] atiptaxx.exe 
O4 - HKLM\..\Run: [NAV Agent] c:\PROGRA~1\NORTON~1\navapw32.exe 
O4 - HKLM\..\Run: [AdaptecDirectCD] "C:\Program Files\Roxio\Easy CD Creator 5\DirectCD\DirectCD.exe" 
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime 
O4 - HKLM\..\Run: [sunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_01\bin\jusched.exe 
O4 - HKLM\..\Run: [ClamWin] C:\Program Files\ClamWin\bin\ClamTray.exe --logon 
O4 - HKLM\..\Run: [MS Auto-IPSec Protection] MSASP32.exe 
O4 - HKLM\..\Run: [ Microsoft Client/Server Runtime Server Subsystem] csrs.exe 
O4 - HKLM\..\Run: [MS Unix Binary] msnq3insller.exe 
O4 - HKLM\..\Run: [sYSTRAY] C:\UNMT.EXE 
O4 - HKLM\..\RunServices: [MS Auto-IPSec Protection] MSASP32.exe 
O4 - HKLM\..\RunServices: [ Microsoft Client/Server Runtime Server Subsystem] csrs.exe 
O4 - HKLM\..\RunServices: [MS Unix Binary] msnq3insller.exe 
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe 
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background 
O4 - HKCU\..\Run: [MS Auto-IPSec Protection] MSASP32.exe 
O4 - HKCU\..\Run: [MS Unix Binary] msnq3insller.exe 
O4 - Global Startup: Acrobat Assistant.lnk = C:\Program Files\Adobe\Acrobat 5.0\Distillr\AcroTray.exe 
O4 - Global Startup: Adobe Gamma Loader.exe.lnk = C:\Program Files\Fichiers communs\Adobe\Calibration\Adobe Gamma Loader.exe 
O4 - Global Startup: Hyperappel de l'Encyclopédie Universelle Larousse.lnk = ? 
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE 
O4 - Global Startup: Rappels du Calendrier Microsoft Works.lnk = ? 
O8 - Extra context menu item: Easy-WebPrint Ajouter à la Liste à Imprimer - res://C:\Program Files\Canon\Easy-WebPrint\Resource.dll/RC_AddToList.html 
O8 - Extra context menu item: Easy-WebPrint Impression rapide - res://C:\Program Files\Canon\Easy-WebPrint\Resource.dll/RC_HSPrint.html 
O8 - Extra context menu item: Easy-WebPrint Imprimer - res://C:\Program Files\Canon\Easy-WebPrint\Resource.dll/RC_Print.html 
O8 - Extra context menu item: Easy-WebPrint Prévisualiser - res://C:\Program Files\Canon\Easy-WebPrint\Resource.dll/RC_Preview.html 
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_01\bin\npjpi150_01.dll 
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_01\bin\npjpi150_01.dll 
O9 - Extra button: (no name) - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - (no file) 
O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll 
O15 - ProtocolDefaults: 'http' protocol is in My Computer Zone, should be Internet Zone 
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://v5.windowsupdate.microsoft.com/v5co...b?1023782849479 
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai.net/7/840/537/2004061...all/xscan53.cab 
O16 - DPF: {BB21F850-63F4-4EC9-BF9D-565BD30C9AE9} (ASquaredScanForm Element) - http://www.windowsecurity.com/trojanscan/axscan.cab 
O16 - DPF: {FF65677A-8977-48CA-916A-DFF81B037DF3} (WMService Class) - http://download.overpro.com/WildAppNonUS.cab 
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\System32\Ati2evxx.exe 
O23 - Service: Crypkey License - Unknown owner - C:\WINDOWS\SYSTEM32\crypserv.exe 
O23 - Service: Service Norton AntiVirus Auto-Protect (navapsvc) - Symantec Corporation - c:\Program Files\Norton AntiVirus\navapsvc.exe 
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\FICHIE~1\SYMANT~1\SCRIPT~1\SBServ.exe