J'ai eu pas mal de problèmes, le plus important étant que je n'arrive pas à redémarrer en mode sans échec. Impossible de sélectionner le mode après le F8 : les flèches haut/bas ne fonctionnent pas. Donc pas mal de fichiers que je n'arrive pas à supprimer car en cours d'exécution.

voilà le rapport ravantivirus
Scan started at 08/05/2005 22:52:02

Scanning memory...
Scanning boot sectors...
Scanning files...
C:\Documents and Settings\richard\Application Data\Sun\Java\Deployment\cache\javapi\v1.0\jar\loaderadv412.jar-313a61ea-427fd8e7.zip->Counter.class - Trojan:Java/ClassLoader -> Infected
C:\Documents and Settings\richard\Application Data\Sun\Java\Deployment\cache\javapi\v1.0\jar\loaderadv412.jar-313a61ea-427fd8e7.zip->Matrix.class - TrojanDownloader:Java/OpenStream.C -> Infected
C:\Documents and Settings\richard\Application Data\Sun\Java\Deployment\cache\javapi\v1.0\jar\loaderadv412.jar-313a61ea-427fd8e7.zip->Parser.class - Java/Bytverify -> Infected
C:\WINDOWS\axosdbrmglp.exe - Trojan:Win32/Small.DU -> Infected
C:\WINDOWS\installer_SIAC.exe - TrojanDownloader:Win32/Adload.E -> Infected
C:\WINDOWS\istinstall_si.exe - TrojanDownloader:Win32/Small.GL -> Infected
C:\WINDOWS\ms2.exe - Backdoor:Win32/Haxdoor.CN -> Infected
C:\WINDOWS\od-stnd245.exe - Tool:PornDialer.EQ -> Infected
C:\WINDOWS\od-stnd246.exe - Tool:PornDialer.EQ -> Infected
C:\WINDOWS\od-stnd318.exe - Tool:PornDialer.EQ -> Infected
C:\WINDOWS\isrvs\sysupd.dll - TrojanDownloader:Win32/Small.QT -> Infected
C:\WINDOWS\system32\polall1m.exe->(CExe) - TrojanDownloader:Win32/Agent.AE -> Infected
C:\WINDOWS\system32\config\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\8TAFGTYF\WksPatch[2].exe - Worm:Win32/Nachi.B.dam#2 -> Infected
C:\WINDOWS\system32\config\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\8TAFGTYF\WksPatch[3].exe - Worm:Win32/Nachi.B.dam#2 -> Infected
C:\WINDOWS\system32\drivers\delprot.sys - VirTool:WinNT/Ispro.B -> Infected
F:\Téléchargements\Hijacking\backups\backup-20050508-212536-641.dll - TrojanDownloader:Win32/Lemmy.U -> Infected
F:\Téléchargements\Hijacking\backups\backup-20050508-212536-988.dll - TrojanDownloader:Win32/Small.QT -> Infected

Scanned
============================
Objects: 64333
Directories: 4873
Archives: 1185
Size(Kb): 1896581
Infected files: 17

Found
============================
Viruses found: 14
Suspicious files: 0
Disinfected files: 0
Mail files: 471


Voilà le hijackthis

Logfile of HijackThis v1.99.1
Scan saved at 23:23:14, on 08/05/2005
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\System32\CTsvcCDA.exe
C:\Program Files\Fichiers communs\Microsoft Shared\VS7Debug\mdm.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\MsPMSPSv.exe
C:\WINDOWS\System32\CTHELPER.EXE
C:\Program Files\Logitech\iTouch\iTouch.exe
C:\Program Files\ScanSoft\OmniPageSE2.0\OpwareSE2.exe
C:\Program Files\Java\j2re1.4.2_04\bin\jusched.exe
C:\WINDOWS\System32\LVCOMSX.EXE
C:\Program Files\Logitech\Video\LogiTray.exe
C:\Program Files\802.11 Wireless LAN\802.11g Wireless Cardbus & PCI Adapter HW.21 V1.10\WlanCU.exe
c:\windows\system32\kipsgga.exe
C:\Program Files\Logitech\Video\FxSvr2.exe
C:\Program Files\Logitech\MouseWare\system\em_exec.exe
C:\WINDOWS\System32\ctfmon.exe
C:\WINDOWS\System32\wuauclt.exe
C:\Program Files\interMute\SpySubtract\SpySub.exe
C:\Documents and Settings\richard\Bureau\IEXPLORE.EXE
C:\Program Files\Logitech\Video\AlbumDB2.exe
F:\Téléchargements\Hijacking\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://81.222.131.49/index.php
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.club-internet.fr/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://81.222.131.49/index.php
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://81.222.131.49/index.php
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page = http://81.222.131.49/index.php
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page = http://81.222.131.49/index.php
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Internet Explorer avec Club-Internet
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
F2 - REG:system.ini: Shell=Explorer.exe C:\WINDOWS\Nail.exe
O2 - BHO: Yahoo! Companion BHO - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\WINDOWS\Downloaded Program Files\ycomp5_1_6_0.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Acrobat\ActiveX\AcroIEHelper.ocx
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: IE Update Class - {5B4AB8E2-6DC5-477A-B637-BF3C1A2E5993} - C:\WINDOWS\isrvs\sysupd.dll
O2 - BHO: nvwrsdwf - {AEAC9A71-A167-21D3-86FC-DF7D6DF1E798} - C:\WINDOWS\System32\nvwrsdwf.dll
O3 - Toolbar: McAfee VirusScan - {ACB1E670-3217-45C4-A021-6B829A8A27CB} - C:\Program Files\McAfee\McAfee VirusScan\VSCShellExtension.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: Yahoo! Compagnon - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\WINDOWS\Downloaded Program Files\ycomp5_1_6_0.dll
O4 - HKLM\..\Run: [WINDVDPatch] CTHELPER.EXE
O4 - HKLM\..\Run: [UpdReg] C:\WINDOWS\UpdReg.EXE
O4 - HKLM\..\Run: [Jet Detection] "C:\Program Files\Creative\SBLive\PROGRAM\ADGJDet.exe"
O4 - HKLM\..\Run: [CTStartup] C:\Program Files\Creative\Splash Screen\CTEaxSpl.EXE /run
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [zBrowser Launcher] C:\Program Files\Logitech\iTouch\iTouch.exe
O4 - HKLM\..\Run: [Logitech Utility] Logi_MwX.Exe
O4 - HKLM\..\Run: [DAEMON Tools-1033] "G:\daemon\daemon.exe" -lang 1033 -noicon
O4 - HKLM\..\Run: [OpwareSE2] "C:\Program Files\ScanSoft\OmniPageSE2.0\OpwareSE2.exe"
O4 - HKLM\..\Run: [REGSHAVE] C:\Program Files\REGSHAVE\REGSHAVE.EXE /AUTORUN
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\j2re1.4.2_04\bin\jusched.exe
O4 - HKLM\..\Run: [LVCOMSX] C:\WINDOWS\System32\LVCOMSX.EXE
O4 - HKLM\..\Run: [LogitechVideoRepair] C:\Program Files\Logitech\Video\ISStart.exe
O4 - HKLM\..\Run: [LogitechVideoTray] C:\Program Files\Logitech\Video\LogiTray.exe
O4 - HKLM\..\Run: [Desktop Search] C:\WINDOWS\isrvs\desktop.exe
O4 - HKLM\..\Run: [ffis] C:\WINDOWS\isrvs\ffisearch.exe
O4 - HKLM\..\Run: [xgavbkc] c:\windows\system32\kipsgga.exe
O4 - HKLM\..\Run: [Disk Keeper] C:\WINDOWS\System32\Services\{40F2E534-F0C8-45BA-9AF0-0EF645F487C6}\SECURITY.EXE
O4 - HKLM\..\RunOnce: [WIAWizardMenu] RUNDLL32.EXE C:\WINDOWS\System32\sti_ci.dll,WiaCreateWizardMenu
O4 - HKCU\..\Run: [LogitechSoftwareUpdate] "C:\Program Files\Logitech\Video\ManifestEngine.exe" boot
O4 - HKCU\..\Run: [System] C:\WINDOWS\svchost.exe
O4 - Global Startup: Wireless Configuration Utility.lnk = C:\Program Files\802.11 Wireless LAN\802.11g Wireless Cardbus & PCI Adapter HW.21 V1.10\WlanCU.exe
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_04\bin\npjpi142_04.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_04\bin\npjpi142_04.dll
O9 - Extra button: Yahoo! Messenger - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - C:\PROGRA~1\Yahoo!\MESSEN~1\YPager.exe
O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - C:\PROGRA~1\Yahoo!\MESSEN~1\YPager.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE
O9 - Extra 'Tools' menuitem: 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: {2BC66F54-93A8-11D3-BEB6-00105AA9B6AE} (Symantec AntiVirus scanner) - http://security.symantec.com/sscv6/SharedContent/vc/bin/AvSniff.cab
O16 - DPF: {644E432F-49D3-41A1-8DD5-E099162EEEC5} (Symantec RuFSI Utility Class) - http://security.symantec.com/sscv6/SharedContent/common/bin/cabsa.cab
O16 - DPF: {A3009861-330C-4E10-822B-39D16EC8829D} (CRAVOnline Object) - http://www.ravantivirus.com/scan/ravonline.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/msnmessengersetupdownloader.cab
O16 - DPF: {EF99BD32-C1FB-11D2-892F-0090271D4F88} (Yahoo! Compagnon) - http://us.dl1.yimg.com/download.companion.yahoo.com/dl/toolbar/yiebio5_1_6_0.cab
O18 - Filter: text/html - {950238FB-C706-4791-8674-4D429F85897E} - C:\WINDOWS\isrvs\mfiltis.dll
O20 - Winlogon Notify: drct16 - C:\WINDOWS\SYSTEM32\drct16.dll
O23 - Service: AVSync Manager (AvSynMgr) - Network Associates, Inc. - C:\Program Files\McAfee\McAfee VirusScan\Avsynmgr.exe
O23 - Service: Creative Service for CDROM Access - Creative Technology Ltd - C:\WINDOWS\System32\CTsvcCDA.exe
O23 - Service: McShield - Unknown owner - C:\Program Files\Fichiers communs\Network Associates\McShield\Mcshield.exe
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe


Ya encore du boulot !
Merci pour tout, je suis ouvert à toute suggestion pour solutionner le reste !!!