Infecté par un vilain PS guard !

Bonjour à tous,

Mon PC est infecté par l'ignoble PS Guard. Un pro peut-il venir à mon secours ? Mon hijack est ci-dessous. Mille mercis par avance pour vos conseils.
Logfile of HijackThis v1.99.1
Scan saved at 18:03:25, on 11/01/2006
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

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:\PROGRA~1\PACKSE~1\backweb\542802\Program\SERVIC~1.EXE
C:\Program Files\ewido\security suite\ewidoctrl.exe
C:\Program Files\PACK SECURITE AntiVirus-Firewall\Anti-Virus\fsgk32st.exe
C:\Program Files\PACK SECURITE AntiVirus-Firewall\backweb\542802\program\fsbwsys.exe
C:\Program Files\PACK SECURITE AntiVirus-Firewall\Anti-Virus\FSGK32.EXE
C:\Program Files\PACK SECURITE AntiVirus-Firewall\Common\FSMA32.EXE
C:\WINDOWS\System32\nvsvc32.exe
C:\Program Files\PACK SECURITE AntiVirus-Firewall\Anti-Virus\fssm32.exe
C:\Program Files\PACK SECURITE AntiVirus-Firewall\Common\FSMB32.EXE
C:\Program Files\Webroot\Spy Sweeper\WRSSSDK.exe
C:\Program Files\PACK SECURITE AntiVirus-Firewall\Common\FCH32.EXE
C:\Program Files\PACK SECURITE AntiVirus-Firewall\Common\FAMEH32.EXE
C:\Program Files\PACK SECURITE AntiVirus-Firewall\FWES\Program\fsdfwd.exe
C:\Program Files\PACK SECURITE AntiVirus-Firewall\Anti-Virus\fsav32.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\AGRSMMSG.exe
C:\Program Files\ltmoh\Ltmoh.exe
C:\Program Files\Java\j2re1.4.2_03\bin\jusched.exe
C:\PROGRA~1\NUMERI~1\MONASS~1\SMARTB~1\MotiveSB.exe
C:\Program Files\SAMSUNG\MagicKBD\MagicKBD.exe
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\PACK SECURITE AntiVirus-Firewall\Common\FSM32.EXE
C:\Program Files\PACK SECURITE AntiVirus-Firewall\FSGUI\ispnews.exe
C:\Program Files\PACK SECURITE AntiVirus-Firewall\FSGUI\fsguiexe.exe
C:\acrobatpdf\3.0\Apps\apdproxy.exe
C:\WINDOWS\System32\ctfmon.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\PACK SECURITE AntiVirus-Firewall\backweb\542802\Program\fspex.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Sony Corporation\Picture Package\Picture Package Menu\SonyTray.exe
C:\WINDOWS\System32\wuauclt.exe
C:\Program Files\Sony Corporation\Picture Package\Picture Package Applications\Residence.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\WINDOWS\Explorer.EXE
C:\Documents and Settings\\Mes documents\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.numericable.fr
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Internet Explorer par NUMERICABLE
O2 - BHO: AcroIEHlprObj Class - {-} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: Yahoo! Toolbar avec bloqueur de fenêtres pop-up - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [AGRSMMSG] AGRSMMSG.exe
O4 - HKLM\..\Run: [LtMoh] C:\Program Files\ltmoh\Ltmoh.exe
O4 - HKLM\..\Run: [MagicKeyboard] C:\Program Files\SAMSUNG\MagicKBD\PreMKBD.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\j2re1.4.2_03\bin\jusched.exe
O4 - HKLM\..\Run: [Motive SmartBridge] C:\PROGRA~1\NUMERI~1\MONASS~1\SMARTB~1\MotiveSB.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [F-Secure Manager] "C:\Program Files\PACK SECURITE AntiVirus-Firewall\Common\FSM32.EXE" /splash
O4 - HKLM\..\Run: [F-Secure TNB] "C:\Program Files\PACK SECURITE AntiVirus-Firewall\TNB\TNBUtil.exe" /CHECKALL /WAITFORSW
O4 - HKLM\..\Run: [F-Secure Startup Wizard] "C:\Program Files\PACK SECURITE AntiVirus-Firewall\FSGUI\FSSW.EXE" /reboot
O4 - HKLM\..\Run: [News Service] "C:\Program Files\PACK SECURITE AntiVirus-Firewall\FSGUI\ispnews.exe"
O4 - HKLM\..\Run: [SpySweeper] "C:\Program Files\Webroot\Spy Sweeper\SpySweeper.exe" /startintray
O4 - HKLM\..\Run: [Adobe Photo Downloader] "C:\acrobatpdf\3.0\Apps\apdproxy.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: [MoneyAgent] "C:\Program Files\Microsoft Money\System\mnyexpr.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: Mon Assistant Internet.lnk = C:\Program Files\Numericable\Mon Assistant Internet\bin\matcli.exe
O4 - Global Startup: Picture Package Menu.lnk = ?
O4 - Global Startup: Picture Package VCD Maker.lnk = ?
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\WINDOWS\System32\msjava.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\WINDOWS\System32\msjava.dll
O16 - DPF: {0EB0E74A-2A76-4AB3-A7FB-9BD8C29F7F75} (CKAVWebScan Object) - http://www.kaspersky.com/downloads/kws/kavwebscan_unicode.cab
O16 - DPF: {11260943-421B-11D0-8EAC-0000C07D88CF} (iPIX ActiveX Control) - http://www.ipix.com/viewers/ipixx.cab
O16 - DPF: {193C772A-87BE-4B19-A7BB-445B226FE9A1} (ewidoOnlineScan Control) - http://download.ewido.net/ewidoOnlineScan.cab
O23 - Service: PACK SECURITE (BackWeb Plug-in - 542802) - Unknown owner - C:\PROGRA~1\PACKSE~1\backweb\542802\Program\SERVIC~1.EXE
O23 - Service: ewido security suite control - ewido networks - C:\Program Files\ewido\security suite\ewidoctrl.exe
O23 - Service: F-Secure Gatekeeper Handler Starter - F-Secure Corp. - C:\Program Files\PACK SECURITE AntiVirus-Firewall\Anti-Virus\fsgk32st.exe
O23 - Service: fsbwsys - F-Secure Corp. - C:\Program Files\PACK SECURITE AntiVirus-Firewall\backweb\542802\program\fsbwsys.exe
O23 - Service: F-Secure Anti-Virus Firewall Daemon (FSDFWD) - F-Secure Corporation - C:\Program Files\PACK SECURITE AntiVirus-Firewall\FWES\Program\fsdfwd.exe
O23 - Service: F-Secure Management Agent (FSMA) - F-Secure Corporation - C:\Program Files\PACK SECURITE AntiVirus-Firewall\Common\FSMA32.EXE
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: Webroot Spy Sweeper Engine (svcWRSSSDK) - Webroot Software, Inc. - C:\Program Files\Webroot\Spy Sweeper\WRSSSDK.exe