Virus system doctor - hijackthis

Bonjour,

J'ai été infecté par le virus system doctor !
Pourriez vous m'aider svp
ci joint un scan de hijackthis et du logiciel F-secure

08/03/06 12:36:43 [Info]: BlackLight Engine 1.0.42 initialized
08/03/06 12:36:43 [Info]: OS: 5.1 build 2600 ()
08/03/06 12:36:43 [Note]: 7019 4
08/03/06 12:36:43 [Note]: 7005 0
08/03/06 12:36:47 [Note]: 7006 0
08/03/06 12:36:47 [Note]: 7011 1360
08/03/06 12:36:47 [Note]: 7026 0
08/03/06 12:36:48 [Note]: 7026 0
08/03/06 12:36:48 [Note]: 7024 3
08/03/06 12:36:48 [Info]: Hidden process: C:\windows\system32\twylksi.exe
08/03/06 12:36:48 [Note]: FSRAW library version 1.7.1019
08/03/06 12:38:34 [Info]: Hidden file: c:\WINDOWS\Prefetch\TWYLKSI.EXE-328CE85B.pf
08/03/06 12:38:34 [Note]: 10002 1
08/03/06 12:38:53 [Info]: Hidden file: c:\WINDOWS\system32\twylksi.dat
08/03/06 12:38:53 [Note]: 10002 1
08/03/06 12:38:53 [Info]: Hidden file: C:\windows\system32\twylksi.exe
08/03/06 12:38:53 [Note]: 10002 1
08/03/06 12:38:53 [Info]: Hidden file: c:\WINDOWS\system32\twylksi_nav.dat
08/03/06 12:38:53 [Note]: 10002 1
08/03/06 12:38:54 [Info]: Hidden file: c:\WINDOWS\system32\twylksi_navps.dat
08/03/06 12:38:54 [Note]: 10002 1
08/03/06 12:40:31 [Note]: 7007 0

Logfile of HijackThis v1.99.1
Scan saved at 12:45:16, on 03/08/2006
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\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\PROGRA~1\Grisoft\AVG7\avgcc.exe
C:\Program Files\3M\PSNLite\PsnLite.exe
C:\PROGRA~1\3M\PSNLite\PSNGive.exe
C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
C:\WINDOWS\System32\devldr32.exe
C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
C:\WINDOWS\system32\fxssvc.exe
C:\Program Files\Microsoft Office\Office10\OUTLOOK.EXE
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\Microsoft Office\Office10\WINWORD.EXE
C:\PROGRA~1\Grisoft\AVG7\avgwb.dat
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\WINDOWS\system32\NOTEPAD.EXE
C:\Documents and Settings\Panoramic 3\Bureau\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://195.75.28.137/ESPC/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVG7\avgcc.exe /STARTUP
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O4 - Global Startup: Post-it® Software Notes Lite.lnk = C:\Program Files\3M\PSNLite\PsnLite.exe
O8 - Extra context menu item: &Traduire à partir de l'anglais - res://C:\Program Files\Google\GoogleToolbar1.dll/cmwordtrans.html
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O8 - Extra context menu item: Pages liées - res://C:\Program Files\Google\GoogleToolbar1.dll/cmbacklinks.html
O8 - Extra context menu item: Pages similaires - res://C:\Program Files\Google\GoogleToolbar1.dll/cmsimilar.html
O8 - Extra context menu item: Recherche &Google - res://C:\Program Files\Google\GoogleToolbar1.dll/cmsearch.html
O8 - Extra context menu item: Version de la page actuelle disponible dans le cache Google - res://C:\Program Files\Google\GoogleToolbar1.dll/cmcache.html
O9 - Extra button: (no name) - {85d1f590-48f4-11d9-9669-0800200c9a66} - %windir%\bdoscandel.exe (file missing)
O9 - Extra 'Tools' menuitem: Uninstall BitDefender Online Scanner v8 - {85d1f590-48f4-11d9-9669-0800200c9a66} - %windir%\bdoscandel.exe (file missing)
O10 - Unknown file in Winsock LSP: c:\windows\system32\avgfwafu.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\avgfwafu.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\avgfwafu.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\avgfwafu.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\avgfwafu.dll
O16 - DPF: {09F1ADAC-76D8-4D0F-99A5-5C907DADB988} - http://fr.systemdoctor.com/download/2006/cab/SystemDoctor2006FreeInstall_fr.cab
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://www.bitdefender.fr/scan8/oscan8.cab
O16 - DPF: {62475759-9E84-458E-A1AB-5D2C442ADFDE} - http://a1540.g.akamai.net/7/1540/52/20060104/qtinstall.info.apple.com/snape/us/wi...
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site....
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - https://www.trendmicro.com/en_us/forHome/products/housecall.html
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/MsnMessengerSetupDownloader.cab
O16 - DPF: {E68718BB-5451-4F6F-B8B8-41B4AB672747} (IgbInstall Class) - http://www.internetgamebox.com/content/AxInst.cab
O16 - DPF: {F9726435-C558-11D6-B228-000629AEF22F} (PanelX Control) - http://195.75.28.137/SATURNE/PanelXControl1.ocx
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
O23 - Service: AVG Firewall (AVGFwSrv) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgfwsrv.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe

Merci de votre aide! :-)