Pc infecté par trojan win32-Gen aide moi SVP!

Bonjour à toutes et tous,

Je me suis chopé le trojan win 32 - Gen , mon antivirus Avast ne le détecte plus...
Mon pc tourne bien en apparence, mais le hic lorsque je suis sur msn et que j'envoies des images elles sont bloquées par l'antivirus de mes contacts qui dit qu'elles sont potentiellement dangereuses! Je pense que mon pc est tjs infecté !
Je viens de telecharger Hijack this!
Je l'ai renommer sur mon bureau en "scanner.exe"
voici le premier résultat qu'il me donne :
je compte sur vous pour m'aider s'il You Play :-)

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 18:00:47, on 31/01/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16574)
Boot mode: Normal

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\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\system32\spoolsv.exe
c:\program files\fichiers communs\logishrd\lvmvfm\LVPrcSrv.exe
C:\Program Files\Fichiers communs\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
C:\WINDOWS\system32\dllhost.exe
C:\WINDOWS\eHome\ehRecvr.exe
C:\WINDOWS\eHome\ehSched.exe
C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
C:\Program Files\Dell Network Assistant\hnm_svc.exe
C:\Program Files\Intel\Intel Matrix Storage Manager\iaantmon.exe
C:\WINDOWS\runservice.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\System32\snmp.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\QuickTime\QTTask.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\WINDOWS\system32\dlcdcoms.exe
C:\Program Files\Fichiers communs\InstallShield\UpdateService\issch.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\Fichiers communs\LogiShrd\LComMgr\Communications_Helper.exe
C:\Program Files\Logitech\QuickCam10\QuickCam10.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Dell Network Assistant\ezi_hnm2.exe
C:\Program Files\Digital Line Detect\DLG.exe
C:\Program Files\Logitech\SetPoint\KEM.exe
C:\Program Files\Google\Google Updater\GoogleUpdater.exe
C:\Program Files\Logitech\SetPoint\KHALMNPR.EXE
C:\Program Files\Fichiers communs\LogiShrd\LComMgr\LVComSX.exe
C:\Program Files\Fichiers communs\Logishrd\LQCVFX\COCIManager.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\Program Files\Windows Live\Messenger\usnsvc.exe
C:\Program Files\Fichiers communs\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\Program Files\Intel\PROSetWired\NCS\Sync\NetSvc.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\Program Files\Steam\Steam.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = https://www.msn.com/fr-be
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.google.be/?gws_rd=ssl
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = https://www.msn.com/fr-be
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.msn.com/fr-be
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: Yahoo! Toolbar avec bloqueur de fenêtres pop-up - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - (no file)
O2 - BHO: Aide pour le lien d'Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Fichiers communs\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: CJava Object - {43F7497C-7687-4DEA-A057-F21BD81BC896} - C:\WINDOWS\system32\msjava32.dll
O2 - BHO: DriveLetterAccess - {5CA3D70E-1895-11CF-8E15-001234567890} - C:\WINDOWS\System32\DLA\DLASHX_W.DLL
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_10\bin\ssv.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: Programme d'aide de l'Assistant de connexion Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Fichiers communs\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\2.1.615.5858\swg.dll
O3 - Toolbar: (no name) - {0BF43445-2F28-4351-9252-17FE6E806AA0} - (no file)
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [DLCDCATS] rundll32 C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\DLCDtime.dll,_RunDLLEntry@16
O4 - HKLM\..\Run: [ISUSPM Startup] "c:\Program Files\Fichiers communs\InstallShield\UpdateService\isuspm.exe" -startup
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [Logitech Hardware Abstraction Layer] KHALMNPR.EXE
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [ISUSScheduler] "C:\Program Files\Fichiers communs\InstallShield\UpdateService\issch.exe" -start
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [LogitechCommunicationsManager] "C:\Program Files\Fichiers communs\LogiShrd\LComMgr\Communications_Helper.exe"
O4 - HKLM\..\Run: [LogitechQuickCamRibbon] "C:\Program Files\Logitech\QuickCam10\QuickCam10.exe" /hide
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\Windows Live\Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [BgMonitor_{79662E04-7C6C-4d9f-84C7-88D8A56B10AA}] "C:\Program Files\Fichiers communs\Ahead\Lib\NMBgMonitor.exe"
O4 - HKCU\..\Run: [Netlog 24] C:\Program Files\Netlog 24\Notifier\Netlog24Notifier.exe
O4 - HKCU\..\Run: [WMPNSCFG] C:\Program Files\Windows Media Player\WMPNSCFG.exe
O4 - HKCU\..\RunOnce: [DelayShred] "c:\program files\mcafee\mshr\ShrCL.EXE" /P7 /q C:\DOCUME~1\DENGIS~1\LOCALS~1\TEMPOR~1\Content.IE5\G0K6I6U6\APPLIC~1.SH! C:\DOCUME~1\DENGIS~1\LOCALS~1\TEMPOR~1\Content.IE5\L7YR0B0N\BOOTST~1.SH! C:\DOCUME~1\DENGIS~1\LOCALS~1\TEMPOR~1\Content.IE5\L7YR0B0N\HIST1_~1.SH! C:\DOCUME~1\DENGIS~1\LOCALS~1\TEMPOR~1\Content.IE5\HK3LAM20\OUILLE~1.SH! C:\PROGRA~1\NETLOG~1\Notifier\NETLOG~1.SH! C:\DOCUME~1\DENGIS~1\LOCALS~1\TEMPOR~1\Content.IE5\1QNKQ5EG\GOOGLE~1.SH! C:\DOCUME~1\DENGIS~1\LOCALS~1\TEMPOR~1\Content.IE5\VJKCJ1H8\GOOGLE~1.SH!
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'Default user')
O4 - Global Startup: Dell Network Assistant.lnk = ?
O4 - Global Startup: Digital Line Detect.lnk = C:\Program Files\Digital Line Detect\DLG.exe
O4 - Global Startup: Logitech SetPoint.lnk = C:\Program Files\Logitech\SetPoint\KEM.exe
O4 - Global Startup: Outil de mise à jour Google.lnk = C:\Program Files\Google\Google Updater\GoogleUpdater.exe
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_10\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_10\bin\ssv.dll
O9 - Extra button: Ajout Direct - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra 'Tools' menuitem: &Ajout Direct dans Windows Live Writer - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\OFFICE11\REFIEBAR.DLL
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O16 - DPF: {01A88BB1-1174-41EC-ACCB-963509EAE56B} (SysProWmi Class) - http://support.euro.dell.com/systemprofiler/SysPro.CAB
O16 - DPF: {20A60F0D-9AFA-4515-A0FD-83BD84642501} (Checkers Class) - http://messenger.zone.msn.com/binary/msgrchkr.cab56986.cab
O16 - DPF: {4ED9DDF0-7479-4BBE-9335-5A1EDB1D8A21} - http://download.mcafee.com/molbin/shared/mcinsctl/4,0,0,101/mcinsctl.cab
O16 - DPF: {67A5F8DC-1A4B-4D66-9F24-A704AD929EEE} (System Requirements Lab) - https://www.nvidia.com/content/DriverDownload/srl/2.0.0.1/sysreqlab2.cab
O16 - DPF: {7FC1B346-83E6-4774-8D20-1A6B09B0E737} (Windows Live Photo Upload Control) - http://dengische.spaces.live.com/PhotoUpload/MsnPUpld.cab
O16 - DPF: {867E13F2-7F31-44FB-AC97-CD38E0DC46EF} (HardwareDetection Control) - http://charon777.free.fr/plugins/hardwaredetection_2_0_4_12.cab
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (MSN Games - Installer) - http://messenger.zone.msn.com/binary/ZIntro.cab56649.cab
O16 - DPF: {BD393C14-72AD-4790-A095-76522973D6B8} (CBreakshotControl Class) - http://messenger.zone.msn.com/binary/Bankshot.cab57213.cab
O16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab56907.cab
O16 - DPF: {E6187999-9FEC-46A1-A20F-F4CA977D5643} (ZoneChess Object) - http://messenger.zone.msn.com/binary/Chess.cab57176.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{F49B80F0-E101-4095-9A67-D3EB468BF2A2}: NameServer = 195.238.2.21 195.238.2.22
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\FICHIE~1\Skype\SKYPE4~1.DLL
O23 - Service: Apple Mobile Device - Apple, Inc. - C:\Program Files\Fichiers communs\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: dlcd_device - - C:\WINDOWS\system32\dlcdcoms.exe
O23 - Service: Intel® Quick Resume Technology Drivers (ELService) - Intel Corporation - C:\Program Files\Intel\IntelDH\Intel(R) Quick Resume Technology\ELService.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: Advanced Networking Service (hnmsvc) - SingleClick Systems - C:\Program Files\Dell Network Assistant\hnm_svc.exe
O23 - Service: Intel(R) Matrix Storage Event Monitor (IAANTMon) - Intel Corporation - C:\Program Files\Intel\Intel Matrix Storage Manager\iaantmon.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: Service de l'iPod (iPod Service) - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: LicCtrl Service (LicCtrlService) - Unknown owner - C:\WINDOWS\runservice.exe
O23 - Service: Process Monitor (LVPrcSrv) - Logitech Inc. - c:\program files\fichiers communs\logishrd\lvmvfm\LVPrcSrv.exe
O23 - Service: LVSrvLauncher - Logitech Inc. - C:\Program Files\Fichiers communs\LogiShrd\SrvLnch\SrvLnch.exe
O23 - Service: Intel NCS NetService (NetSvc) - Intel(R) Corporation - C:\Program Files\Intel\PROSetWired\NCS\Sync\NetSvc.exe
O23 - Service: NMIndexingService - Unknown owner - C:\Program Files\Fichiers communs\Ahead\Lib\NMIndexingService.exe (file missing)
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Service Partage réseau du Lecteur Windows Media (WMPNetworkSvc) - Unknown owner - C:\Program Files\Windows Media Player\WMPNetwk.exe (file missing)

End of file - 12605 bytes

S'il vous plait je demandes de l'aide...
Configuration: Windows XP
Internet Explorer 7.0