Demande d'aide suite à rapport hijackthis

Bonjour,
mon pc bug beaucoup. J'ai 3 ados à la maison et tous vont sur l'ordi. Aujourd'hui, j'essaie de résoudre les problèmes mais je ne suis qu'une débutante. Je vous remercie beaucoup de m'aider.
Voici le scan :


StartupList report, 18/04/2008,
Detected: Windows XP (WinNT 5.01.2600)
Detected: Internet Explorer v6.00 (6.00.2600.0000)
* Using default options
==================================================

Running processes:

C:\WINDOWS\System32\smss.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:\Program Files\Lavasoft\Ad-Aware 2007\aawservice.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Fichiers communs\LightScribe\LSSrvc.exe
C:\Program Files\Sony\Shared Plug-Ins\Media Manager\MSSQL$SONY_MEDIAMGR\Binn\sqlservr.exe
C:\WINDOWS\system32\pctspk.exe
C:\WINDOWS\System32\tcpsvcs.exe
C:\WINDOWS\System32\snmp.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\WINDOWS\System32\rundll32.exe
C:\Program Files\Shareaza\Shareaza.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\Program Files\Fichiers communs\Microsoft Shared\Windows Live\WLLoginProxy.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\WINDOWS\explorer.exe
C:\DOCUME~1\Sandrine\LOCALS~1\Temp\Rar$EX00.553\HijackThis.exe

--------------------------------------------------

Checking Windows NT UserInit:

[HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
UserInit = C:\WINDOWS\system32\userinit.exe,

--------------------------------------------------

Autorun entries from Registry:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run

TkBellExe = "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
rctuuzok = c:\windows\system32\rctuuzok.exe rctuuzok
403c3e6d = rundll32.exe "C:\WINDOWS\System32\pqadduhg.dll",b
BM430f0df1 = Rundll32.exe "C:\WINDOWS\System32\declgslo.dll",s

--------------------------------------------------

Autorun entries from Registry:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run

Shareaza = "C:\Program Files\Shareaza\Shareaza.exe" -tray
ATI Launchpad = "C:\Program Files\ATI Multimedia\main\launchpd.exe"
msnmsgr = "C:\Program Files\MSN Messenger\msnmsgr.exe" /background

--------------------------------------------------

Autorun entries in Registry subkeys of:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run

[OptionalComponents]
=

--------------------------------------------------

Load/Run keys from C:\WINDOWS\WIN.INI:

load=*INI section not found*
run=*INI section not found*

Load/Run keys from Registry:

HKLM\..\Windows NT\CurrentVersion\WinLogon: load=*Registry value not found*
HKLM\..\Windows NT\CurrentVersion\WinLogon: run=*Registry value not found*
HKLM\..\Windows\CurrentVersion\WinLogon: load=*Registry key not found*
HKLM\..\Windows\CurrentVersion\WinLogon: run=*Registry key not found*
HKCU\..\Windows NT\CurrentVersion\WinLogon: load=*Registry value not found*
HKCU\..\Windows NT\CurrentVersion\WinLogon: run=*Registry value not found*
HKCU\..\Windows\CurrentVersion\WinLogon: load=*Registry key not found*
HKCU\..\Windows\CurrentVersion\WinLogon: run=*Registry key not found*
HKCU\..\Windows NT\CurrentVersion\Windows: load=
HKCU\..\Windows NT\CurrentVersion\Windows: run=*Registry value not found*
HKLM\..\Windows NT\CurrentVersion\Windows: load=*Registry value not found*
HKLM\..\Windows NT\CurrentVersion\Windows: run=*Registry value not found*
HKLM\..\Windows NT\CurrentVersion\Windows: AppInit_DLLs=C:\PROGRA~1\Google\GOOGLE~2\GOEC62~1.DLL

--------------------------------------------------

Shell & screensaver key from C:\WINDOWS\SYSTEM.INI:

Shell=*INI section not found*
SCRNSAVE.EXE=*INI section not found*
drivers=*INI section not found*

Shell & screensaver key from Registry:

Shell=Explorer.exe
SCRNSAVE.EXE=C:\WINDOWS\ocean2.scr
drivers=*Registry value not found*

Policies Shell key:

HKCU\..\Policies: Shell=*Registry value not found*
HKLM\..\Policies: Shell=*Registry value not found*

--------------------------------------------------


Enumerating Browser Helper Objects:

(no name) - C:\Program Files\Fichiers communs\Adobe\Acrobat\ActiveX\AcroIEHelper.dll - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3}
{5f12eb38-792e-ba3a-2404-b085485739c1} - C:\WINDOWS\System32\jhpdiokx.dll - {1c937584-580b-4042-a3ab-e29783be21f5}
(no name) - C:\WINDOWS\System32\geBuSIyA.dll - {37752809-6B2D-4B0A-9CB1-57EC1A101161}
(no name) - C:\PROGRA~1\SPYBOT~1\SDHelper.dll - {53707962-6F74-2D53-2644-206D7942484F}
(no name) - C:\WINDOWS\system32\efcCtsTK.dll - {6D794CB4-C7CD-4c6f-BFDC-9B77AFBDC02C}
(no name) - C:\Program Files\Java\jre1.5.0_10\bin\ssv.dll - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43}
(no name) - C:\Program Files\Fichiers communs\Microsoft Shared\Windows Live\WindowsLiveLogin.dll - {9030D464-4C02-4ABF-8ECC-5164760863C6}

--------------------------------------------------

Enumerating Task Scheduler jobs:

B10377FA9148EC1E.job
Maintenance en 1 clic.job

--------------------------------------------------

Enumerating Download Program Files:

[QuickTime Object]
InProcServer32 = C:\Program Files\QuickTime\QTPlugin.ocx
CODEBASE = http://www.apple.com/qtactivex/qtplugin.cab

[{09F1ADAC-76D8-4D0F-99A5-5C907DADB988}]
CODEBASE = https://www.afternic.com/domains/drivecleaner.com

[CKAVWebScan Object]
InProcServer32 = C:\WINDOWS\System32\Kaspersky Lab\Kaspersky Online Scanner\kavwebscan.dll
CODEBASE = https://www.kaspersky.fr/?domain=webscanner.kaspersky.fr

[Windows Genuine Advantage Validation Tool]
InProcServer32 = C:\WINDOWS\System32\LegitCheckControl.DLL
CODEBASE = http://download.microsoft.com/download/E/5/6/E5611B10-0D6D-4117-8430-A67417AA88CD/LegitCheckControl.cab

[{3334504D-9980-0010-8000-00AA00389B71}]
CODEBASE = http://download.microsoft.com/download/0/C/8/0C8EDFAB-30BC-4792-898E-2DABE27B2C4D/mp43dmo.CAB

[Zylom Games Player]
InProcServer32 = C:\Documents and Settings\All Users\Application Data\Zylom\ZylomGamesPlayer\zylomgamesplayer.dll
CODEBASE = http://game08.zylom.com/activex/zylomgamesplayer.cab

[Shockwave Flash Object]
InProcServer32 = C:\WINDOWS\System32\Macromed\Flash\Flash9d.ocx
CODEBASE = http://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cab

[{DF1C8E21-4045-4D67-B528-335F1A4F0DE9}]
CODEBASE = http://scripts.dlv4.com/binaries/egaccess4/egaccess4_1073_em_XP.cab

[OberongamesLoader Object]
InProcServer32 = C:\WINDOWS\Downloaded Program Files\Oberongamesloader.dll
CODEBASE = http://msnfr.oberon-media.com/online2/MSN_INTL_FRANCE/insaniquarium/Oberongamesloader.cab

--------------------------------------------------

Enumerating ShellServiceObjectDelayLoad items:

PostBootReminder: C:\WINDOWS\system32\SHELL32.dll
WebCheck: C:\WINDOWS\System32\webcheck.dll
SysTray: C:\WINDOWS\System32\stobject.dll
UPnPMonitor: C:\WINDOWS\System32\upnpui.dll

--------------------------------------------------
End of report, 7 900 bytes
Report generated in 0,030 seconds

Command line options:
/verbose - to add additional info on each section
/complete - to include empty sections and unsuspicious data
/full - to include several rarely-important sections
/force9x - to include Win9x-only startups even if running on WinNT
/forcent - to include WinNT-only startups even if running on Win9x
/forceall - to include all Win9x and WinNT startups, regardless of platform
/history - to list version history only

Au secours je n'y comprends rien !!!!!