Nouvelle infection virus

bonsoir
je suis de nouveaux infectés, malgré les précautions prises suite aux bon conseils de CCM.voici le dernier rapport hijack.
merci de bien vouloir m'aider.
les éléments du rapport de avast 4, me signalait des problemes dans le dossier "restore/temp" que j'ai pu voir manuellement en mode sans echec mais que je ne peux supprimer .comment faire?
merci

Logfile of HijackThis v1.99.1
Scan saved at 00:15:20, on 24/12/2005
Platform: Windows ME (Win9x 4.90.3000)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

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\EXPLORER.EXE
C:\WINDOWS\SYSTEM\RESTORE\STMGR.EXE
C:\WINDOWS\SYSTEM\RPCSS.EXE
C:\WINDOWS\TASKMON.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:\PROGRAM FILES\DATA CACHING\FLASHKSK.EXE
C:\WINDOWS\SYSTEM\QTTASK.EXE
C:\WINDOWS\LOADQM.EXE
C:\PROGRAM FILES\MSN APPS\UPDATER\01.03.0000.1005\FR\MSNAPPAU.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\PROGRAM FILES\ALWIL SOFTWARE\AVAST4\ASHWEBSV.EXE
C:\PROGRAM FILES\ALWIL SOFTWARE\AVAST4\ASHMAISV.EXE
C:\PROGRAM FILES\MSN MESSENGER\MSNMSGR.EXE
C:\PROGRAM FILES\M-AUDIO USB AUDIOPHILE\DMN\MA003DMN.EXE
C:\PROGRAM FILES\MICROSOFT OFFICE\OFFICE\FINDFAST.EXE
C:\PROGRAM FILES\MICROSOFT OFFICE\OFFICE\OSA.EXE
C:\PROGRAM FILES\OPENOFFICE.ORG1.1.4\PROGRAM\SOFFICE.EXE
C:\PROGRAM FILES\INTERNET EXPLORER\IEXPLORE.EXE
C:\WINDOWS\SYSTEM\PSTORES.EXE
C:\MY DOWNLOADS\HIJACKTHIS.EXE

F1 - win.ini: run=C:\WINDOWS\INET20099\WINLOGON.EXE
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\PROGRAM FILES\ADOBE\ACROBAT 5.0\READER\ACTIVEX\ACROIEHELPER.OCX
O2 - BHO: MSNToolBandBHO - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\PROGRAM FILES\MSN APPS\MSN TOOLBAR\01.02.4000.1001\FR\MSNTB.DLL
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHELPER.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\01.02.4000.1001\FR\MSNTB.DLL
O4 - HKLM\..\Run: [ScanRegistry] C:\WINDOWS\scanregw.exe /autorun
O4 - HKLM\..\Run: [TaskMonitor] C:\WINDOWS\taskmon.exe
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: [Shutdownaware] C:\WINDOWS\Shutdownaware.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: [xp_system] C:\WINDOWS\INET20099\WINLOGON.EXE
O4 - HKLM\..\Run: [Microsoft standard protector] C:\WINDOWS\INET20099\SOCKS.EXE 20099
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 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [xp_system] C:\WINDOWS\INET20099\WINLOGON.EXE
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 1.1.4.lnk = C:\Program Files\OpenOffice.org1.1.4\program\quickstart.exe
O4 - Global Startup: MA003DMN.LNK = C:\Program Files\M-Audio USB Audiophile\Dmn\ma003dmn.exe
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai.net/7/840/537/2005102501/housecall.trendmicro.com/housecall/xscan53.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/msnmessengersetupdownloader.cab
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsClient.cab31267.cab
O16 - DPF: {00B71CFB-6864-4346-A978-C0A14556272C} (Checkers Class) - 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