Probleme avec Newmalware.j & Win.32gen{other}

Bonjour, en faisant l'analyse de la clé d'un ami, mon ordi a été infecté par ces deux virus et je ne sais vraiment pas quoi faire.
pour info j'ai AVG et AVAST mais ils n'ont rien put faire. Voila mon rapport HiJackThis


Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 17:02:45, on 14/11/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Boot mode: Normal

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\savedump.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\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
C:\Program Files\Fichiers communs\LightScribe\LSSrvc.exe
c:\program files\mcafee.com\agent\mcdetect.exe
c:\PROGRA~1\mcafee.com\vso\mcshield.exe
C:\WINDOWS\Explorer.EXE
c:\PROGRA~1\mcafee.com\agent\mctskshd.exe
c:\PROGRA~1\mcafee.com\vso\OasClnt.exe
C:\WINDOWS\system32\dllChache\Empty.jpg
C:\WINDOWS\system32\dllChache\Blank.doc
c:\program files\mcafee.com\vso\mcvsshld.exe
C:\WINDOWS\sm56hlpr.exe
C:\WINDOWS\system32\igfxtray.exe
C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Program Files\Java\jre1.5.0_07\bin\jusched.exe
C:\WINDOWS\system32\dllChache\Zero.txt
C:\PROGRA~1\mcafee.com\agent\mcagent.exe
C:\PROGRA~1\mcafee.com\agent\mcupdate.exe
C:\Program Files\iTunes\iTunesHelper.exe
c:\progra~1\mcafee.com\vso\mcvsescn.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\WINDOWS\system32\dllChache\Hole.zip
C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\avgas.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\Program Files\Fichiers communs\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\Program Files\Skype\Phone\Skype.exe
C:\WINDOWS\system32\dllChache\Unoccupied.reg
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\WINDOWS\system32\sndvol32.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe
c:\progra~1\mcafee.com\vso\mcvsftsn.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\Microsoft Office\OFFICE11\WINWORD.EXE
C:\WINDOWS\system32\wuauclt.exe
C:\Documents and Settings\EMMAANUEL\Application Data\U3\04406170A28109E2\LaunchPad.exe
C:\Program Files\iPod\bin\iPodService.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,SearchAssistant = http://search.imesh.com/sidebar.html?src=ssb
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://search.imesh.com/sidebar.html?src=ssb
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://search.imesh.com/sidebar.html?src=ssb
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://search.imesh.com/sidebar.html?src=ssb
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = https://www.bing.com/?FORM=TOOLBR&cc=fr&toHttps=1&redig=4527FFF1C12746FC9EDB535C75E80ECC
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: iMesh MediaBar - {B7D3E479-CC68-42B5-A338-938ECE35F419} - C:\Program Files\iMesh applications\iMesh MediaBar\MediaBar.dll
F2 - REG:system.ini: UserInit=C:\WINDOWS\system32\userinit.exe, "C:\WINDOWS\system32\M5VBVM60.EXE StartUp"
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: Megaupload Toolbar - {4E7BD74F-2B8D-469E-CCB0-B130EEDBE97C} - C:\PROGRA~1\MEGAUP~1\MEGAUP~1.DLL
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_07\bin\ssv.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Fichiers communs\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: XBTP01621 - {9EDB89EF-E4BC-4c70-B102-8F7A4365EE33} - C:\PROGRA~1\IMESHA~1\IMESHM~1\MediaBar.dll
O2 - BHO: Windows Live Toolbar Helper - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\Windows Live Toolbar\msntb.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O3 - Toolbar: Megaupload Toolbar - {4E7BD74F-2B8D-469E-CCB0-B130EEDBE97C} - C:\PROGRA~1\MEGAUP~1\MEGAUP~1.DLL
O3 - Toolbar: iMesh MediaBar - {B7D3E479-CC68-42B5-A338-938ECE35F419} - C:\Program Files\iMesh applications\iMesh MediaBar\MediaBar.dll
O3 - Toolbar: Windows Live Toolbar - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\Windows Live Toolbar\msntb.dll
O3 - Toolbar: McAfee VirusScan - {BA52B914-B692-46c4-B683-905236F6F655} - c:\progra~1\mcafee.com\vso\mcvsshl.dll
O4 - HKLM\..\Run: [Raccourci vers la page des propriétés de High Definition Audio] HDAShCut.exe
O4 - HKLM\..\Run: [SMSERIAL] sm56hlpr.exe
O4 - HKLM\..\Run: [IgfxTray] C:\WINDOWS\system32\igfxtray.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: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_07\bin\jusched.exe
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [LanzarL2007] "C:\DOCUME~1\EMMAAN~1\LOCALS~1\Temp\{DBE4BC7F-D7CB-4020-936A-F2939E9EEAAD}\{D1DA2BA7-2592-4036-9BB2-DCCABDE8DC1A}\..\..\L2007tmp\Setup.exe" /SETUP:"/l0x040c"
O4 - HKLM\..\Run: [UserFaultCheck] %systemroot%\system32\dumprep 0 -u
O4 - HKLM\..\Run: [ALUAlert] C:\Program Files\Symantec\LiveUpdate\ALuNotify.exe
O4 - HKLM\..\Run: [VSOCheckTask] "C:\PROGRA~1\McAfee.com\VSO\mcmnhdlr.exe" /checktask
O4 - HKLM\..\Run: [VirusScan Online] C:\Program Files\McAfee.com\VSO\mcvsshld.exe
O4 - HKLM\..\Run: [OASClnt] C:\Program Files\McAfee.com\VSO\oasclnt.exe