Win32:InMorph [Cryp] virus

Bonjour,j'ai depuis qqes jours un virus nommé Win32:InMorph [Cryp]
Virus/Ver
j'ai windows millénium avec un portable Acer travel mate 256mga...
impossible de l'enlever avec avast et aussi AVG...
Voici par ailleurs le rapport hi jack
merci par avance de bien vouloir me donner des conseils pour m'en sortir...

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 13:24:37, on 08/05/2008
Platform: Windows ME (Win9x 4.90.3000)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)
Boot mode: Normal

Running processes:
C:\WINDOWS\SYSTEM\KERNEL32.DLL
C:\WINDOWS\SYSTEM\MSGSRV32.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\WINDOWS\SYSTEM\ATI2EVXX.EXE
C:\WINDOWS\SYSTEM\MSTASK.EXE
C:\WINDOWS\SYSTEM\STIMON.EXE
C:\PROGRAM FILES\ALWIL SOFTWARE\AVAST4\ASHSERV.EXE
C:\WINDOWS\SYSTEM\KB891711\KB891711.EXE
C:\PROGRAM FILES\EXECUTIVE SOFTWARE\DISKEEPERLITE\DKSERVICE.EXE
C:\WINDOWS\EXPLORER.EXE
C:\WINDOWS\SYSTEM\RPCSS.EXE
C:\WINDOWS\SYSTEM\RESTORE\STMGR.EXE
C:\PROGRAM FILES\ONSICON.EXE
C:\WINDOWS\SYSTEM\LXBTPPLS.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\WINDOWS\SYSTEM\IRMON.EXE
C:\WINDOWS\SYSTEM\ATIPTAXX.EXE
C:\WINDOWS\SYSTEM\ATI2CWXX.EXE
C:\WINDOWS\LTSMMSG.EXE
C:\PROGRAM FILES\ACER\POWERKEY\POWERKEY.EXE
C:\WINDOWS\SYSTEM\PRPCUI.EXE
C:\PROGRAM FILES\SYNAPTICS\SYNTP\SYNTPLPR.EXE
C:\PROGRAM FILES\SYNAPTICS\SYNTP\SYNTPENH.EXE
C:\WINDOWS\SYSTEM\KEYMAP.EXE
C:\WINDOWS\SYSTEM\QTTASK.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\WINDOWS\LOADQM.EXE
C:\PROGRAM FILES\MSN APPS\UPDATER\01.03.0000.1005\FR\MSNAPPAU.EXE
C:\PROGRAM FILES\ALWIL SOFTWARE\AVAST4\ASHWEBSV.EXE
C:\PROGRAM FILES\LEXMARK 5200 SERIES\LXBTBMGR.EXE
C:\PROGRAM FILES\ALWIL SOFTWARE\AVAST4\ASHMAISV.EXE
C:\PROGRAM FILES\MSN MESSENGER\MSNMSGR.EXE
C:\PROGRAM FILES\LEXMARK 5200 SERIES\LXBTBMON.EXE
C:\WINDOWS\SYSTEM\SPOOL32.EXE
C:\PROGRAM FILES\MICROSOFT OFFICE\OFFICE\OSA.EXE
C:\PROGRAM FILES\OPENOFFICE.ORG 2.2\PROGRAM\SOFFICE.EXE
C:\PROGRAM FILES\OPENOFFICE.ORG 2.2\PROGRAM\SOFFICE.BIN
C:\WINDOWS\SYSTEM\DDHELP.EXE
C:\PROGRAM FILES\MICROSOFT OFFICE\OFFICE\WINWORD.EXE
C:\PROGRAM FILES\INTERNET EXPLORER\IEXPLORE.EXE
C:\WINDOWS\SYSTEM\PSTORES.EXE
C:\PROGRAM FILES\TREND MICRO\HIJACKTHIS\HIJACKTHIS.EXE
C:\WINDOWS\SYSTEM\WBEM\WINMGMT.EXE

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = about:blank
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = about:blank
F1 - win.ini: load=c:\PROGRA~1\ONSICON.EXE
F1 - win.ini: run=LXBTppls.exe
O2 - BHO: MSNToolBandBHO - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\PROGRAM FILES\MSN APPS\MSN TOOLBAR\01.02.5000.1021\FR\MSNTB.DLL
O3 - Toolbar: @msdxmLC.dll,-1@1036,&Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
O3 - Toolbar: MSN - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\PROGRAM FILES\MSN APPS\MSN TOOLBAR\01.02.5000.1021\FR\MSNTB.DLL
O4 - HKLM\..\Run: [PCHealth] C:\WINDOWS\PCHealth\Support\PCHSchd.exe -s
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [IrMon] irmon.exe
O4 - HKLM\..\Run: [AtiPTA] Atiptaxx.exe
O4 - HKLM\..\Run: [Ati2cwxx] Ati2cwxx.exe
O4 - HKLM\..\Run: [LTSMMSG] LTSMMSG.exe
O4 - HKLM\..\Run: [AcerPowerkey] "C:\Program Files\Acer\Powerkey\Powerkey.exe"
O4 - HKLM\..\Run: [PRPCMonitor] PRPCUI.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: [KEYMAP] C:\WINDOWS\SYSTEM\Keymap.exe
O4 - HKLM\..\Run: [DataCaching] C:\PROGRA~1\DATACA~1\FLashKsk.exe
O4 - HKLM\..\Run: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\Run: [QuickTime Task] "C:\WINDOWS\SYSTEM\QTTASK.EXE" -atboottime
O4 - HKLM\..\Run: [LoadQM] loadqm.exe
O4 - HKLM\..\Run: [msnappau] "C:\Program Files\MSN Apps\Updater\01.03.0000.1005\fr\msnappau.exe"
O4 - HKLM\..\Run: [avast! Web Scanner] C:\PROGRA~1\ALWILS~1\AVAST4\ASHWEBSV.EXE
O4 - HKLM\..\Run: [Lexmark 5200 series] "C:\Program Files\Lexmark 5200 series\lxbtbmgr.exe"
O4 - HKLM\..\Run: [LXBTCATS] rundll32 C:\WINDOWS\SYSTEM\LXBTtime.dll,_RunDLLEntry@16
O4 - HKLM\..\Run: [FaxCenterServer] "C:\Program Files\Lexmark Fax Solutions\fm3032.exe" /s
O4 - HKLM\..\Run: [ashMaiSv] C:\PROGRA~1\ALWILS~1\AVAST4\ashmaisv.exe
O4 - HKLM\..\RunServices: [ATIPOLAB] ati2evxx.exe
O4 - HKLM\..\RunServices: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\RunServices: [SchedulingAgent] mstask.exe
O4 - HKLM\..\RunServices: [*StateMgr] C:\WINDOWS\System\Restore\StateMgr.exe
O4 - HKLM\..\RunServices: [StillImageMonitor] C:\WINDOWS\SYSTEM\STIMON.EXE
O4 - HKLM\..\RunServices: [avast!] C:\Program Files\Alwil Software\Avast4\ashServ.exe
O4 - HKLM\..\RunServices: [KB891711] C:\WINDOWS\SYSTEM\KB891711\KB891711.EXE
O4 - HKLM\..\RunServices: [DkService] C:\Program Files\Executive Software\DiskeeperLite\DkService.exe
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKUS\.DEFAULT\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background (User 'Default user')
O4 - .DEFAULT Startup: Microsoft Recherche accélérée.lnk = C:\Program Files\Microsoft Office\Office\FINDFAST.EXE (User 'Default user')
O4 - .DEFAULT Startup: Démarrage d'Office.lnk = C:\Program Files\Microsoft Office\Office\OSA.EXE (User 'Default user')
O4 - .DEFAULT Startup: OpenOffice.org 2.2.lnk = C:\Program Files\OpenOffice.org 2.2\program\quickstart.exe (User 'Default user')
O4 - Startup: Microsoft Recherche accélérée.lnk = C:\Program Files\Microsoft Office\Office\FINDFAST.EXE
O4 - Startup: Démarrage d'Office.lnk = C:\Program Files\Microsoft Office\Office\OSA.EXE
O4 - Startup: OpenOffice.org 2.2.lnk = C:\Program Files\OpenOffice.org 2.2\program\quickstart.exe
O12 - Plugin for .pdf: C:\PROGRA~1\INTERN~1\PLUGINS\nppdf32.dll
O12 - Plugin for .m4a: C:\PROGRA~1\INTERN~1\PLUGINS\npqtplugin5.dll
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} - https://www.trendmicro.com/en_us/forHome/products/housecall.html
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} - http://messenger.msn.com/download/msnmessengersetupdownloader.cab
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} - http://messenger.zone.msn.com/binary/MessengerStatsClient.cab31267.cab
O16 - DPF: {00B71CFB-6864-4346-A978-C0A14556272C} - http://messenger.zone.msn.com/binary/msgrchkr.cab31267.cab
O16 - DPF: {EB387D2F-E27B-4D36-979E-847D1036C65D} (QDiagHUpdateObj Class) - http://h30043.www3.hp.com/hpdj/fr/check/qdiagh.cab?326
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://by12fd.bay12.hotmail.msn.com/resources/MsnPUpld.cab
O16 - DPF: {F04A8AE2-A59D-11D2-8792-00C04F8EF29D} (Hotmail Attachments Control) - http://by12fd.bay12.hotmail.msn.com/activex/HMAtchmt.ocx
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://download.microsoft.com/download/E/5/6/E5611B10-0D6D-4117-8430-A67417AA88CD/LegitCheckControl.cab
O16 - DPF: {E8F628B5-259A-4734-97EE-BA914D7BE941} (Driver Agent ActiveX Control) - http://plugin.driveragent.com/files/driveragent.cab