HELP GRAVE PB 8 PC touchés par virus

pb sur 8 pc
ie se lance et se ferme aussitot
plus de copier coller et impossible d'installer windows installer du à un probleme d'intergrité du fichier update.inf

config : windows xp et antivirus : trend micro

voici le log de Hijackthis :

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 22:08:19, on 05/09/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Boot mode: Normal

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\csrss.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\svchost.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\sched.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\avguard.exe
C:\Program Files\Spyware Doctor\pctsAuxs.exe
C:\Program Files\Spyware Doctor\pctsSvc.exe
C:\Program Files\Trend Micro\BM\TMBMSRV.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spool\drivers\w32x86\3\WrtMon.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\WINDOWS\system32\spool\drivers\w32x86\3\WrtProc.exe
C:\Program Files\HP\HP Software Update\HPWuSchd2.exe
C:\Program Files\Microsoft Office\Office12\GrooveMonitor.exe
C:\Program Files\Google\Google Desktop Search\GoogleDesktop.exe
C:\Program Files\Avira\AntiVir PersonalEdition Classic\avgnt.exe
C:\Program Files\Spyware Doctor\pctsTray.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Google\Google Desktop Search\GoogleDesktop.exe
C:\Documents and Settings\administrateur\Bureau\HiJackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: Aide pour le lien d'Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Fichiers communs\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: Groove GFS Browser Helper - {72853161-30C5-4D22-B7F9-0BBC1D38A37E} - C:\PROGRA~1\MICROS~2\Office12\GRA8E1~1.DLL
O4 - HKLM\..\Run: [WrtMon.exe] C:\WINDOWS\system32\spool\drivers\w32x86\3\WrtMon.exe
O4 - HKLM\..\Run: [UfSeAgnt.exe] "C:\Program Files\Trend Micro\Internet Security\UfSeAgnt.exe"
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [SiSPower] Rundll32.exe SiSPower.dll,ModeAgent
O4 - HKLM\..\Run: [HP Software Update] C:\Program Files\HP\HP Software Update\HPWuSchd2.exe
O4 - HKLM\..\Run: [GrooveMonitor] "C:\Program Files\Microsoft Office\Office12\GrooveMonitor.exe"
O4 - HKLM\..\Run: [Google Desktop Search] "C:\Program Files\Google\Google Desktop Search\GoogleDesktop.exe" /startup
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir PersonalEdition Classic\avgnt.exe" /min
O4 - HKLM\..\Run: [ISTray] "C:\Program Files\Spyware Doctor\pctsTray.exe"
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\MSN Messenger\msnmsgr.exe" /background
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User '?')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User '?')
O4 - HKUS\S-1-5-21-277605018-414964138-1359085134-500\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe (User '?')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User '?')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\CTFMON.EXE (User 'Default user')
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office12\EXCEL.EXE/3000
O9 - Extra button: Envoyer à OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~2\Office12\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: &Envoyer à OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~2\Office12\ONBttnIE.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\Office12\REFIEBAR.DLL
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://www.update.microsoft.com/...
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: Domain = avesta.local
O17 - HKLM\Software\..\Telephony: DomainName = avesta.local
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: Domain = avesta.local
O18 - Protocol: grooveLocalGWS - {88FED34C-F0CA-4636-A375-3CB6248B04CD} - C:\PROGRA~1\MICROS~2\Office12\GR99D3~1.DLL
O20 - AppInit_DLLs: C:\PROGRA~1\Google\GOOGLE~1\GOEC62~1.DLL
O23 - Service: Avira AntiVir Personal - Free Antivirus Scheduler (AntiVirScheduler) - Avira GmbH - C:\Program Files\Avira\AntiVir PersonalEdition Classic\sched.exe
O23 - Service: Avira AntiVir Personal - Free Antivirus Guard (AntiVirService) - Avira GmbH - C:\Program Files\Avira\AntiVir PersonalEdition Classic\avguard.exe
O23 - Service: Google Desktop Manager 5.1.709.19590 (GoogleDesktopManager-091907-194040) - Google - C:\Program Files\Google\Google Desktop Search\GoogleDesktop.exe
O23 - Service: Windows Installer (MSIServer) - Unknown owner - C:\WINDOWS\System32\msiexec.exe (file missing)
O23 - Service: PC Tools Auxiliary Service (sdAuxService) - PC Tools - C:\Program Files\Spyware Doctor\pctsAuxs.exe
O23 - Service: PC Tools Security Service (sdCoreService) - PC Tools - C:\Program Files\Spyware Doctor\pctsSvc.exe
O23 - Service: Composant de commande centrale Trend Micro (SfCtlCom) - Trend Micro Inc. - C:\Program Files\Trend Micro\Internet Security\SfCtlCom.exe
O23 - Service: Trend Micro Unauthorized Change Prevention Service (TMBMServer) - Trend Micro Inc. - C:\Program Files\Trend Micro\BM\TMBMSRV.exe
O23 - Service: Trend Micro Personal Firewall (TmPfw) - Trend Micro Inc. - C:\PROGRA~1\TRENDM~1\INTERN~1\TmPfw.exe
O23 - Service: Trend Micro Proxy Service (tmproxy) - Trend Micro Inc. - C:\Program Files\Trend Micro\Internet Security\TmProxy.exe

--
End of file - 6174 bytes

ci apres le report de sdfix :

[b]SDFix: Version 1.221 /b
Run by Administrateur on 05/09/2008 at 22:44

Microsoft Windows XP [version 5.1.2600]
Running From: C:\Documents and Settings\administrateur\Bureau\sdfix\SDFix

[b]Checking Services /b:

Restoring Default Security Values
Restoring Default Hosts File

Rebooting

[b]Checking Files /b:

No Trojan Files Found

Removing Temp Files

[b]ADS Check /b:

[b]Final Check /b:

catchme 0.3.1361.2 W2K/XP/Vista - rootkit/stealth malware detector by Gmer, http://www.gmer.net
Rootkit scan 2008-09-05 22:58:05
Windows 5.1.2600 Service Pack 2 NTFS

scanning hidden processes ...

scanning hidden services & system hive ...

scanning hidden registry entries ...

scanning hidden files ...

scan completed successfully
hidden processes: 0
hidden services: 0
hidden files: 0

[b]Remaining Services /b:

Authorized Application Key Export:

[HKEY_LOCAL_MACHINE\system\currentcontrolset\services\sharedaccess\parameters\firewallpolicy\standardprofile\authorizedapplications\list]
"%windir%\\system32\\sessmgr.exe"="%windir%\\system32\\sessmgr.exe:*:enabled:@xpsp2res.dll,-22019"
"%windir%\\Network Diagnostic\\xpnetdiag.exe"="%windir%\\Network Diagnostic\\xpnetdiag.exe:*:Enabled:@xpsp3res.dll,-20000"
"C:\\Program Files\\SAP\\SAP Business One\\SAP Business One.exe"="C:\\Program Files\\SAP\\SAP Business One\\SAP Business One.exe:*:Enabled:SAP Business One"
"C:\\Program Files\\Microsoft Office\\Office12\\OUTLOOK.EXE"="C:\\Program Files\\Microsoft Office\\Office12\\OUTLOOK.EXE:*:Enabled:Microsoft Office Outlook"
"C:\\Program Files\\Microsoft Office\\Office12\\GROOVE.EXE"="C:\\Program Files\\Microsoft Office\\Office12\\GROOVE.EXE:*:Enabled:Microsoft Office Groove"
"C:\\Program Files\\Microsoft Office\\Office12\\ONENOTE.EXE"="C:\\Program Files\\Microsoft Office\\Office12\\ONENOTE.EXE:*:Enabled:Microsoft Office OneNote"
"C:\\Program Files\\MSN Messenger\\msnmsgr.exe"="C:\\Program Files\\MSN Messenger\\msnmsgr.exe:*:Enabled:Windows Live Messenger 8.1"
"C:\\Program Files\\MSN Messenger\\livecall.exe"="C:\\Program Files\\MSN Messenger\\livecall.exe:*:Enabled:Windows Live Messenger 8.1 (Phone)"

[HKEY_LOCAL_MACHINE\system\currentcontrolset\services\sharedaccess\parameters\firewallpolicy\domainprofile\authorizedapplications\list]
"%windir%\\system32\\sessmgr.exe"="%windir%\\system32\\sessmgr.exe:*:enabled:@xpsp2res.dll,-22019"
"%windir%\\Network Diagnostic\\xpnetdiag.exe"="%windir%\\Network Diagnostic\\xpnetdiag.exe:*:Enabled:@xpsp3res.dll,-20000"
"C:\\Program Files\\SAP\\SAP Business One\\SAP Business One.exe"="C:\\Program Files\\SAP\\SAP Business One\\SAP Business One.exe:*:Disabled:SAP Business One"
"C:\\Program Files\\MSN Messenger\\msnmsgr.exe"="C:\\Program Files\\MSN Messenger\\msnmsgr.exe:*:Enabled:Windows Live Messenger 8.1"
"C:\\Program Files\\MSN Messenger\\livecall.exe"="C:\\Program Files\\MSN Messenger\\livecall.exe:*:Enabled:Windows Live Messenger 8.1 (Phone)"
"C:\\Program Files\\Internet Explorer\\iexplore.exe"="C:\\Program Files\\Internet Explorer\\iexplore.exe:*:Disabled:Internet Explorer"

[b]Remaining Files /b:

[b]Files with Hidden Attributes /b:

Wed 13 Oct 2004 1,694,208 ..SH. --- "C:\Program Files\Messenger\msmsgs.exe"
Mon 7 Jul 2008 1,429,840 A.SHR --- "C:\Program Files\Spybot - Search & Destroy\SDUpdate.exe"
Mon 7 Jul 2008 4,891,472 A.SHR --- "C:\Program Files\Spybot - Search & Destroy\SpybotSD.exe"
Mon 18 Aug 2008 1,832,272 A.SHR --- "C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe"
Fri 5 Sep 2008 65,536 A..H. --- "C:\Documents and Settings\delphine.AVESTA\Local Settings\Application Data\Microsoft\Outlook\~Outlook.pst.tmp"
Thu 28 Aug 2008 9,461 ..SH. --- "C:\Documents and Settings\delphine.AVESTA\Local Settings\Application Data\NewSoft\PageManager\7.16.20F\Setting\PM65.BAK"

[b]Finished!/b

cela ne fonctionne toujours pas

Configuration: Windows XP
Internet Explorer 7.0