Virus, trojan ? Portable mega-infecté

Hello :)

Un ami a un ortinateur portable Fujitsu Siemens. Il l'a depuis 2 ans mais n'a jamais fait de mise à jour windows, ni de son anti-virus. Il m'appelle en catastrophe, j'arrive chez lui, je fais tout ce que je peux pour le dépanner...

J'ai fait une analyse avec hijackthis - je copie ici le rapport, en espérant que...
Même si je sens que la réparation sera très difficile et que une ré-installation du système ne donnera rien (l'extrême serait de changer le disque dur complètement) (je suis trop pessimiste)

Merci d'avance à tous ceux qui comprendront quelque chose dans le rapport hijackthis -

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Logfile of HijackThis v1.99.1
Scan saved at 02:58:37, on 28/04/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

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:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\Program Files\Java\j2re1.4.2_03\bin\jusched.exe
C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\WINDOWS\system32\Rundll32.exe
C:\WINDOWS\system32\keyhook.exe
C:\NORMAN\Nvc\BIN\ZLH.EXE
C:\Program Files\iTunes\iTunesHelper.exe
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\PestPatrol\PPControl.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Messenger\msmsgs.exe
C:\WINDOWS\system32\sistray.exe
C:\Program Files\Yahoo!\Messenger\ymsgr_tray.exe
C:\Program Files\AVPersonal\AVWUPSRV.EXE
C:\Program Files\Microsoft SQL Server\MSSQL$MICROSOFTBCM\Binn\sqlservr.exe
C:\Norman\NVC\BIN\Zanda.exe
C:\WINDOWS\system32\slserv.exe
C:\WINDOWS\system32\svchost.exe
C:\NORMAN\Nvc\BIN\NYMSE.EXE
C:\NORMAN\Nvc\BIN\NIP.EXE
C:\Program Files\iPod\bin\iPodService.exe
C:\WINDOWS\system32\wscntfy.exe
C:\NORMAN\Nvc\BIN\nvcoas.exe
C:\NORMAN\Nvc\BIN\NVCSCHED.EXE
C:\NORMAN\Nvc\BIN\NJEEVES.EXE
C:\NORMAN\Nvc\BIN\nipsvc.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\NORMAN\Nvc\BIN\cclaw.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\System32\alg.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Documents and Settings\perrigot\Bureau\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://fr.yahoo.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = https://fr.yahoo.com/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = https://fr.yahoo.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://red.clientapps.yahoo.com/customize/fuji/defaults/su/*https://fr.yahoo.com/?p=us
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn7\yt.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn7\yt.dll
O3 - Toolbar: Easy-WebPrint - {327C2873-E90D-4c37-AA9D-10AC9BABA46C} - C:\Program Files\Canon\Easy-WebPrint\Toolband.dll
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\j2re1.4.2_03\bin\jusched.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: [SiSPower] Rundll32.exe SiSPower.dll,ModeAgent
O4 - HKLM\..\Run: [SiS Windows KeyHook] C:\WINDOWS\system32\keyhook.exe
O4 - HKLM\..\Run: [SiSUSBRG] C:\WINDOWS\SiSUSBrg.exe
O4 - HKLM\..\Run: [Norman ZANDA] C:\NORMAN\Nvc\BIN\ZLH.EXE /LOAD /SPLASH
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [PestPatrol Control Center] C:\Program Files\PestPatrol\PPControl.exe
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.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: [Yahoo! Pager] "C:\Program Files\Yahoo!\Messenger\YahooMessenger.exe" -quiet
O4 - Global Startup: Utility Tray.lnk = C:\WINDOWS\system32\sistray.exe
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: Easy-WebPrint Ajouter à la liste d'impressions - 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\j2re1.4.2_03\bin\npjpi142_03.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_03\bin\npjpi142_03.dll
O9 - Extra button: Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\PROGRA~1\Yahoo!\Common\yhexbmesfr.dll
O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\PROGRA~1\Yahoo!\Common\yhexbmesfr.dll
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
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
O20 - Winlogon Notify: TGBBOB - C:\WINDOWS\SYSTEM32\TGBBOBNotif.dll
O23 - Service: AntiVir Service (AntiVirService) - H+BEDV Datentechnik GmbH - C:\Program Files\AVPersonal\AVGUARD.EXE
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: AntiVir Update (AVWUpSrv) - H+BEDV Datentechnik GmbH, Germany - C:\Program Files\AVPersonal\AVWUPSRV.EXE
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: iPodService - Apple Computer, Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: Norman API-hooking helper (NipSvc) - Unknown owner - C:\NORMAN\Nvc\BIN\nipsvc.exe
O23 - Service: Norman NJeeves - Unknown owner - C:\NORMAN\Nvc\BIN\NJEEVES.EXE
O23 - Service: Norman ZANDA - Unknown owner - C:\Norman\NVC\BIN\Zanda.exe
O23 - Service: Norman Virus Control on-access component (nvcoas) - Norman ASA - C:\NORMAN\Nvc\BIN\nvcoas.exe
O23 - Service: Norman Virus Control Scheduler (NVCScheduler) - Norman Data Defense Systems - C:\NORMAN\Nvc\BIN\NVCSCHED.EXE
O23 - Service: SmartLinkService (SLService) - - C:\WINDOWS\SYSTEM32\slserv.exe

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