j ai esseyé HijackThis mais j ai rien compris qlq un peu m'aider... le rapport c est:
Logfile of HijackThis v1.99.1
Scan saved at 02:31:27, on 23/10/2006
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

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\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 6.0\avp.exe
C:\WINDOWS\System32\PAStiSvc.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 6.0\avp.exe
C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
C:\Program Files\Fichiers communs\Ahead\Lib\NMBgMonitor.exe
C:\Program Files\RapidCheck\RapidCheck.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
C:\Program Files\Fichiers communs\Ahead\Lib\NMIndexStoreSvr.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Windows Media Player\wmplayer.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\IDA\ida.exe
C:\Downloads\Programs\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - (no file)
O1 - Hosts: 62.189.6.78 _sip._tls.sip1.callserve.com
O1 - Hosts: 62.189.6.78 _sip._ssl.sip1.callserve.com
O1 - Hosts: 62.189.6.79 _sip._tls.sip2.callserve.com
O1 - Hosts: 62.189.6.79 _sip._ssl.sip2.callserve.com
O1 - Hosts: 62.189.6.85 _sip._tls.sip5.phoneserve.com
O1 - Hosts: 62.189.6.85 _sip._ssl.sip5.phoneserve.com
O1 - Hosts: 62.189.6.86 _sip._tls.sip6.phoneserve.com
O1 - Hosts: 62.189.6.86 _sip._ssl.sip6.phoneserve.com
O2 - BHO: IE 4.x-6.x BHO for Internet Download Accelerator - {2A646672-9C3A-4C28-9A7A-1FB0F63F28B6} - C:\PROGRA~1\IDA\idaiehlp.dll
O2 - BHO: (no name) - {4E7BD74F-2B8D-469E-8DA9-FD60BB9AAE33} - (no file)
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O3 - Toolbar: (no name) - {4E7BD74F-2B8D-469E-8DA9-FD60BB9AAE33} - (no file)
O4 - HKLM\..\Run: [kis] "C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 6.0\avp.exe"
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
O4 - HKCU\..\Run: [BgMonitor_{79662E04-7C6C-4d9f-84C7-88D8A56B10AA}] "C:\Program Files\Fichiers communs\Ahead\Lib\NMBgMonitor.exe"
O4 - HKCU\..\Run: [RapidCheck] C:\Program Files\RapidCheck\RapidCheck.exe
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\MSN Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [Yahoo! Pager] "C:\PROGRA~1\Yahoo!\MESSEN~1\YAHOOM~1.EXE" -quiet
O4 - Global Startup: DSLMON.lnk = C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
O8 - Extra context menu item: Ajouter à Kaspersky Anti-Banner - C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 6.0\\ie_banner_deny.htm
O8 - Extra context menu item: Download ALL with IDA - C:\Program Files\IDA\idaieall.htm
O8 - Extra context menu item: Download with IDA - C:\Program Files\IDA\idaie.htm
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra button: Antivirus Internet - {1F460357-8A94-4D71-9CA3-AA4ACF32ED8E} - C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 6.0\scieplugin.dll
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: Internet Download Accelerator - {9819CC0E-9669-4D01-9CD7-2C66DA43AC6C} - C:\Program Files\IDA\ida.exe
O9 - Extra 'Tools' menuitem: &Internet Download Accelerator - {9819CC0E-9669-4D01-9CD7-2C66DA43AC6C} - C:\Program Files\IDA\ida.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: {1754A1BA-A1DF-4F10-B199-AA55AA1A120F} (InstallerBehaviorFactory Class) - https://signup.msn.com/pages/MsnInstC.cab
O16 - DPF: {30528230-99f7-4bb4-88d8-fa1d4f56a2ab} (YInstStarter Class) - C:\Program Files\Yahoo!\Common\yinsthelper.dll
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/bina [...] b31267.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{F07EF386-DB47-4863-976F-55ACD813DBA6}: NameServer = 212.217.0.3 196.217.246.210
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O20 - AppInit_DLLs: C:\PROGRA~1\KASPER~1\KASPER~1.0\adialhk.dll
O20 - Winlogon Notify: klogon - C:\WINDOWS\system32\klogon.dll
O23 - Service: Adobe LM Service - Unknown owner - C:\Program Files\Fichiers communs\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: Kaspersky Internet Security 6.0 (AVP) - Unknown owner - C:\Program Files\Kaspersky Lab\Kaspersky Internet Security 6.0\avp.exe" -r (file missing)
O23 - Service: Pcntsvcdpadn - Analog Deivces - C:\WINDOWS\system32\drivers\adildr.sys
O23 - Service: STI Simulator - Unknown owner - C:\WINDOWS\System32\PAStiSvc.exe

C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe

maintenant la derniere version est la jre1.5.0_07 va sur le sit de www.java.com a+