[trojan] Infecté par dowloader.win32.Agent.ic

bonjour,
J'essaye d'eradiquer deux virus qu'aucun logiciel ne peut suprimer;
j'ai decouvert le problême avec Nod 32, kapersky. Adaware et spybot ne les detectes pas.
Systeme d'explotation: windows xp pro 2000 service pack 2 pentium 4

raport Nod32: DSystem Volume Information_restore{0CF8A707-95DC-4E29-B4EE-9A24164D802D}RP97A0028201.exe - une variante de Win32Dialer.Q application

rapport kapersky:
-------------------------------------------------------------------------------
KASPERSKY ON-LINE SCANNER REPORT
Tuesday, January 17, 2006 17:44:50
Operating System: Microsoft Windows XP Professional, Service Pack 2 (Build 2600)
Kaspersky On-line Scanner version: 5.0.67.0
Kaspersky Anti-Virus database last update: 17/01/2006
Kaspersky Anti-Virus database records: 161134
-------------------------------------------------------------------------------

Scan Settings:
Scan using the following antivirus database: standard
Scan Archives: true
Scan Mail Bases: true

Scan Target - My Computer:
A:\
C:\
D:\
E:\
F:\

Scan Statistics:
Total number of scanned objects: 59859
Number of viruses found: 2
Number of infected objects: 11
Number of suspicious objects: 0
Duration of the scan process: 2717 sec

Infected Object Name - Virus Name
C:\System Volume Information\_restore{0CF8A707-95DC-4E29-B4EE-9A24164D802D}\RP93\A0022158.exe/data0012/EXE-file/data0001/EXE-file Infected: Trojan-Downloader.Win32.Agent.ic
C:\System Volume Information\_restore{0CF8A707-95DC-4E29-B4EE-9A24164D802D}\RP93\A0022158.exe/data0012/EXE-file/data0001 Infected: Trojan-Downloader.Win32.Agent.ic
C:\System Volume Information\_restore{0CF8A707-95DC-4E29-B4EE-9A24164D802D}\RP93\A0022158.exe/data0012/EXE-file Infected: Trojan-Downloader.Win32.Agent.ic
C:\System Volume Information\_restore{0CF8A707-95DC-4E29-B4EE-9A24164D802D}\RP93\A0022158.exe/data0012 Infected: Trojan-Downloader.Win32.Agent.ic
C:\System Volume Information\_restore{0CF8A707-95DC-4E29-B4EE-9A24164D802D}\RP93\A0022158.exe Infected: Trojan-Downloader.Win32.Agent.ic
C:\System Volume Information\_restore{0CF8A707-95DC-4E29-B4EE-9A24164D802D}\RP93\A0022160.exe/data0012/EXE-file/data0001/EXE-file Infected: Trojan-Downloader.Win32.Agent.ic
C:\System Volume Information\_restore{0CF8A707-95DC-4E29-B4EE-9A24164D802D}\RP93\A0022160.exe/data0012/EXE-file/data0001 Infected: Trojan-Downloader.Win32.Agent.ic
C:\System Volume Information\_restore{0CF8A707-95DC-4E29-B4EE-9A24164D802D}\RP93\A0022160.exe/data0012/EXE-file Infected: Trojan-Downloader.Win32.Agent.ic
C:\System Volume Information\_restore{0CF8A707-95DC-4E29-B4EE-9A24164D802D}\RP93\A0022160.exe/data0012 Infected: Trojan-Downloader.Win32.Agent.ic
C:\System Volume Information\_restore{0CF8A707-95DC-4E29-B4EE-9A24164D802D}\RP93\A0022160.exe Infected: Trojan-Downloader.Win32.Agent.ic
D:\System Volume Information\_restore{0CF8A707-95DC-4E29-B4EE-9A24164D802D}\RP28\A0014113.exe Infected: Trojan-PSW.Win32.Steam.a

Scan process completed.

rapport hijakthis:
Logfile of HijackThis v1.99.1
Scan saved at 15:51:08, on 17/01/2006
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Sygate\SPF\smc.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Atguard\iamserv.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\Program Files\Eset\nod32krn.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Program Files\Analog Devices\SoundMAX\SMax4PNP.exe
C:\Program Files\Analog Devices\SoundMAX\Smax4.exe
C:\Program Files\Logitech\iTouch\iTouch.exe
C:\Program Files\D-Tools\daemon.exe
C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb09.exe
C:\Program Files\Logitech\MouseWare\system\em_exec.exe
C:\Program Files\Java\jre1.5.0_05\bin\jusched.exe
C:\WINDOWS\system32\wscntfy.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\PROGRA~1\Atguard\iamapp.exe
C:\Program Files\Eset\nod32kui.exe
D:\pg2\Blocklist Manager\Lists\PeerGuardian2\pg2.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
C:\PROGRA~1\MOZILL~1\FIREFOX.EXE
C:\prog zip\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = about:blank
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://home.free.fr/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [SoundMAXPnP] C:\Program Files\Analog Devices\SoundMAX\SMax4PNP.exe
O4 - HKLM\..\Run: [SoundMAX] "C:\Program Files\Analog Devices\SoundMAX\Smax4.exe" /tray
O4 - HKLM\..\Run: [Device Detector] DevDetect.exe -autorun
O4 - HKLM\..\Run: [zBrowser Launcher] C:\Program Files\Logitech\iTouch\iTouch.exe
O4 - HKLM\..\Run: [Logitech Utility] Logi_MwX.Exe
O4 - HKLM\..\Run: [DAEMON Tools-1033] "C:\Program Files\D-Tools\daemon.exe" -lang 1033
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb09.exe
O4 - HKLM\..\Run: [ATIModeChange] Ati2mdxx.exe
O4 - HKLM\..\Run: [SmcService] C:\PROGRA~1\Sygate\SPF\smc.exe -startgui
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_05\bin\jusched.exe
O4 - HKLM\..\Run: [UserFaultCheck] %systemroot%\system32\dumprep 0 -u
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [iamapp] C:\PROGRA~1\Atguard\iamapp.exe
O4 - HKLM\..\Run: [nod32kui] "C:\Program Files\Eset\nod32kui.exe" /WAITSERVICE
O4 - HKCU\..\Run: [PeerGuardian] D:\pg2\Blocklist Manager\Lists\PeerGuardian2\pg2.exe
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files\Spybot - Search & Destroy\TeaTimer.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
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_05\bin\npjpi150_05.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_05\bin\npjpi150_05.dll
O16 - DPF: {0EB0E74A-2A76-4AB3-A7FB-9BD8C29F7F75} (CKAVWebScan Object) - http://www.kaspersky.com/downloads/kws/kavwebscan_unicode.cab
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O20 - Winlogon Notify: WRNotifier - WRLogonNTF.dll (file missing)
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: WRQ IAM (iamServ) - WRQ, Inc. - C:\Program Files\Atguard\iamserv.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: iPodService - Apple Computer, Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: NOD32 Kernel Service (NOD32krn) - Eset - C:\Program Files\Eset\nod32krn.exe
O23 - Service: Sygate Personal Firewall (SmcService) - Sygate Technologies, Inc. - C:\Program Files\Sygate\SPF\smc.exe
O23 - Service: SoundMAX Agent Service (SoundMAX Agent Service (default)) - Analog Devices, Inc. - C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe

Si quelqu'un pourais m'aider j'en serais très reconnaissant,
Merci d'avance.