Suppression de virus....et réparation du PC

SALUT,
voilà le rapport après hijackthis; mais que dois-je faire après ?:
hiLogfile of v1.99.1
Scan saved at 00:59:56, on 09/03/2007
Platform: Windows XP (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 (6.00.2600.0000)

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\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\windows\system\hpsysdrv.exe
C:\HP\KBD\KBD.EXE
C:\WINDOWS\system32\dla\tfswctrl.exe
C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb04.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\Program Files\MLH\launcher.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\Program Files\SAGEM\SAGEM F@st800\DSLMON.exe
C:\Program Files\hp center\137903\Program\BackWeb-137903.exe
C:\Program Files\Fichiers communs\Microsoft Shared\Works Shared\wkcalrem.exe
C:\WINDOWS\System32\DRIVERS\CDANTSRV.EXE
C:\WINDOWS\System32\cisvc.exe
C:\WINDOWS\System32\irdvxc.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system\system.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\cidaemon.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\PROGRA~1\WinZip\winzip32.exe
C:\unzipped\hijackthis\HijackThis.exe

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://fr5.hpwis.com/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.hpe.com/h41271/404D.aspx?cc=us&ll=en&url=http://domainredirects.ext.hpe.com/fr5.hpwis.com/
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://89.188.16.10/
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = localhost
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [hpsysdrv] c:\windows\system\hpsysdrv.exe
O4 - HKLM\..\Run: [KBD] C:\HP\KBD\KBD.EXE
O4 - HKLM\..\Run: [Recguard] C:\WINDOWS\SMINST\RECGUARD.EXE
O4 - HKLM\..\Run: [dla] C:\WINDOWS\system32\dla\tfswctrl.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE NvQTwk,NvCplDaemon initialize
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [IgfxTray] C:\WINDOWS\System32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\System32\hkcmd.exe
O4 - HKLM\..\Run: [PS2] C:\WINDOWS\system32\ps2.exe
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb04.exe
O4 - HKLM\..\Run: [Microsoft Works Portfolio] C:\Program Files\Microsoft Works\WksSb.exe /AllUsers
O4 - HKLM\..\Run: [Microsoft Works Update Detection] C:\Program Files\Microsoft Works\WkDetect.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [Launcher] "C:\Program Files\MLH\launcher.exe" /P
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [WinAntiSpyware 2006 Free] "C:\Program Files\WinAntiSpyware 2006 Free\was6.exe" /min
O4 - HKLM\..\Run: [uwas6cw] "C:\Program Files\WinAntiSpyware 2006 Free\uwas6cw.exe" -c
O4 - HKLM\..\Run: [2chkdsk] rundll32.exe "C:\WINDOWS\System32\nfpqrawn.dll",setvm
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [UserFaultCheck] %systemroot%\system32\dumprep 0 -u
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [Microsoft Works Update Detection] C:\Program Files\Microsoft Works\WkDetect.exe
O4 - HKCU\..\Run: [MoneyAgent] "C:\Program Files\Microsoft Money\System\Money Express.exe"
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Program Files\Fichiers communs\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: DSLMON.lnk = C:\Program Files\SAGEM\SAGEM F@st800\DSLMON.exe
O4 - Global Startup: hp center.lnk = C:\Program Files\hp center\137903\Program\BackWeb-137903.exe
O4 - Global Startup: Lancement rapide d'Adobe Reader.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O4 - Global Startup: Rappels du Calendrier Microsoft Works.lnk = ?
O9 - Extra button: MoneySide - {E023F504-0C5A-4750-A1E7-A9046DEA8A21} - C:\Program Files\Microsoft Money\System\mnyviewer.dll
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
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: C-DillaSrv - C-Dilla Ltd - C:\WINDOWS\System32\DRIVERS\CDANTSRV.EXE
O23 - Service: Network helper Service (MSDisk) - Unknown owner - C:\WINDOWS\System32\irdvxc.exe" /service (file missing)
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: Windows System Service (SYSTEMSVC) - Unknown owner - C:\WINDOWS\system\system.exe