Se débarasser de win32:small-gen2

Help! ,Avast anti virus me signale que je suis infecté par un cheval de troie: win32:small-gen2 que je n'arrive pas à l'éradiquer.
Ci joint un rapport de hijackthis.
Un grand merci à celui ou celle qui pourra m'aider.
Nessy

Logfile of HijackThis v1.98.2
Scan saved at 11:58:04, on 09/09/2007
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:\Program Files\Sygate\SPF\smc.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\Program Files\Compaq\Easy Access Button Support\StartEAK.exe
C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Program Files\Hewlett-Packard\HP Share-to-Web\hpgs2wnd.exe
C:\Program Files\Compaq\Easy Access Button Support\CPQEADM.EXE
C:\COMPAQ\CPQINET\CPQInet.exe
C:\Compaq\EAKDRV\EAUSBKBD.EXE
C:\Program Files\e-Carte Bleue\CL\e-Carte Bleue VISA Cleo\ECB-CLEO.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\PROGRA~1\Compaq\EASYAC~1\BttnServ.exe
C:\Program Files\QuickTime\QTTask.exe
C:\WINDOWS\vsnpstd2.exe
C:\Program Files\Sony Ericsson\Mobile2\Application Launcher\Application Launcher.exe
C:\WINDOWS\System32\ctfmon.exe
C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpobnz08.exe
C:\Program Files\Nikon\NkView4\NkVwMon.exe
C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hposol08.exe
C:\Program Files\Fichiers communs\Microsoft Shared\Works Shared\wkcalrem.exe
C:\Program Files\Logitech\MouseWare\system\em_exec.exe
C:\Program Files\Hewlett-Packard\HP Share-to-Web\hpgs2wnf.exe
C:\Program Files\Fichiers communs\Teleca Shared\CapabilityManager.exe
C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpoevm08.exe
C:\Program Files\Hewlett-Packard\Digital Imaging\Bin\hpoSTS08.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Fichiers communs\Teleca Shared\Generic.exe
C:\Program Files\Alwil Software\Avast4\setup\avast.setup
C:\Program Files\Sony Ericsson\Mobile2\Connection Wizard\ConnectionWizard.exe
C:\Program Files\Sony Ericsson\Mobile2\Mobile Phone Monitor\epmworker.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashQuick.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Outils\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.118712.fr/sortir.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://search.presario.net/...
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://desktop.presario.net/...
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = localhost
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: edit_html Class - {14D1A72D-8705-11D8-B120-0040F46CB696} - C:\Documents and Settings\daniel\Bureau\1029221246.dll (file missing)
O2 - BHO: e-Carte Bleue Browser Helper Object - {2E03C0FD-4C48-43A7-9A54-00240C70FF16} - C:\WINDOWS\System32\BhoECart.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar4.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\2.0.301.7164\swg.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\googletoolbar4.dll
O4 - HKLM\..\Run: [CPQEASYACC] C:\Program Files\Compaq\Easy Access Button Support\StartEAK.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: [srmclean] C:\Cpqs\Scom\srmclean.exe
O4 - HKLM\..\Run: [Share-to-Web Namespace Daemon] C:\Program Files\Hewlett-Packard\HP Share-to-Web\hpgs2wnd.exe
O4 - HKLM\..\Run: [SmcService] C:\PROGRA~1\Sygate\SPF\smc.exe -startgui
O4 - HKLM\..\Run: [eCarteBleue-CLEO] "C:\Program Files\e-Carte Bleue\CL\e-Carte Bleue VISA Cleo\ECB-CLEO.exe" /dontopenmycards
O4 - HKLM\..\Run: [Logitech Utility] Logi_MwX.Exe
O4 - HKLM\..\Run: [LogitechVideoRepair] C:\Program Files\Logitech\Video\ISStart.exe
O4 - HKLM\..\Run: [ControlPanel] C:\WINDOWS\System32\twink64.exe internat.dll,LoadKeyboardProfile
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [SNPSTD2] C:\WINDOWS\vsnpstd2.exe
O4 - HKLM\..\Run: [Sony Ericsson PC Suite] "C:\Program Files\Sony Ericsson\Mobile2\Application Launcher\Application Launcher.exe" /startoptions
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [Skype] "C:\Program Files\Skype\Phone\Skype.exe" /nosplash /minimized
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
O4 - HKCU\..\Run: [Yahoo! Pager] C:\Program Files\Yahoo!\Messenger\ypager.exe -quiet
O4 - Global Startup: hp psc 2000 Series.lnk = C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpobnz08.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: NkVwMon.exe.lnk = C:\Program Files\Nikon\NkView4\NkVwMon.exe
O4 - Global Startup: officejet 6100.lnk = ?
O4 - Global Startup: Rappels du Calendrier Microsoft Works.lnk = ?
O8 - Extra context menu item: &eBay Search - res://C:\Program Files\eBay\eBay Toolbar2\eBayTb.dll/RCSearch.html
O9 - Extra button: Sites Perso - {06FE5D05-8F11-11d2-804F-00105A133818} - http://compaqnet.ifrance.com/heberg/accueil (file missing)
O9 - Extra 'Tools' menuitem: Compaq France - {06FE5D05-8F11-11d2-804F-00105A133818} - http://compaqnet.ifrance.com/heberg/accueil (file missing)
O16 - DPF: {1D6711C8-7154-40BB-8380-3DEA45B69CBF} -
O16 - DPF: {62475759-9E84-458E-A1AB-5D2C442ADFDE} - http://a1540.g.akamai.net/7/1540/52/20041208/qtinstall.info.apple.com/pthalo/fr/win/QuickTimeFullInstaller.exe
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)