Soucis avec virus/troj

Bonjour,

apres 6 mois d'inutilisation d'internet, je me retrouve avec les virus suivants :
troj dloader.f
troj alchemic.a
troj istbar.w
troj killreg.d
troj dyfuca.m
worm korgo.v eliminé avec Fixkorgo

J'ai fait Hijackthis :

Logfile of HijackThis v1.97.7
Scan saved at 22:58:05, on 19/08/2004
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:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\wanmpsvc.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Real\RealPlayer\RealPlay.exe
C:\Program Files\Athan\Athan.exe
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\Logitech\Video\LogiTray.exe
C:\WINDOWS\System32\dveldr.exe
C:\Program Files\ISTsvc\istsvc.exe
C:\Program Files\Internet Optimizer\optimize.exe
C:\documents and settings\papa\local settings\temp\soZfdeIf.exe
C:\program files\180solutions\msbb.exe
C:\WINDOWS\System32\edlszht.exe
C:\Program Files\AutoUpdate\AutoUpdate.exe
C:\WINDOWS\SYSCFG16.EXE
C:\WINDOWS\System32\ctfmon.exe
C:\WINDOWS\System32\RUNDLL32.EXE
C:\WINDOWS\System32\msnmsgr.exe
C:\Documents and Settings\Papa\Application Data\ceco.exe
C:\WINDOWS\System32\jryqe.exe
C:\WINDOWS\System32\dgsrsit.exe
C:\Program Files\SAGEM\SAGEM F@st 800-908\dslmon.exe
C:\Program Files\Sony Corporation\Image Transfer\SonyTray.exe
C:\Program Files\InterVideo\Common\Bin\WinCinemaMgr.exe
C:\Program Files\Fichiers communs\Microsoft Shared\Works Shared\WkCalRem.exe
C:\WINDOWS\System32\LVComS.exe
C:\Program Files\Logitech\Video\LowLight.exe
C:\Program Files\CxtPls\CxtPls.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\WinRAR\WinRAR.exe
C:\DOCUME~1\Papa\LOCALS~1\Temp\Rar$EX03.516\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.couldnotfind.com/search_page.html?&account_id=153316
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.couldnotfind.com/search_page.html?&account_id=153316
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://home.free.fr/
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://www.couldnotfind.com/search_page.html?&account_id=153316
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://home.free.fr/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page_bak = http://home.free.fr/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: (no name) - _{CFBFAE00-17A6-11D0-99CB-00C04FD64497} - (no file)
O2 - BHO: (no name) - {00000010-6F7D-442C-93E3-4A4827C2E4C8} - C:\WINDOWS\nem219.dll
O2 - BHO: (no name) - {000020DD-C72E-4113-AF77-DD56626C6C42} - C:\WINDOWS\twaintec.dll
O2 - BHO: (no name) - {00320615-B6C2-40A6-8F99-F1C52D674FAD} - C:\WINDOWS\localNRD.dll
O2 - BHO: (no name) - {01C5BF6C-E699-4CD7-BEA1-786FA05C83AB} - C:\Program Files\CxtPls\CxtPls.dll
O2 - BHO: (no name) - {62D83C08-EA6D-2AE2-DB57-66550EA82B6A} - C:\WINDOWS\System32\eeq.dll
O2 - BHO: (no name) - {8F4E5661-F99E-4B3E-8D85-0EA71C0748E4} - C:\WINDOWS\wsem301.dll
O2 - BHO: (no name) - {9C691A33-7DDA-4C2F-BE4C-C176083F35CF} - C:\WINDOWS\Downloaded Program Files\bridge.dll
O2 - BHO: (no name) - {A3FDD654-A057-4971-9844-4ED8E67DBBB8} - C:\Program Files\SideFind\sfbho.dll
O3 - Toolbar: Copernic Agent - {F2E259E8-0FC8-438C-A6E0-342DD80FA53E} - C:\Program Files\Copernic Agent\CopernicAgentExt.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: ISTbar - {5F1ABCDB-A875-46c1-8345-B72A4567E486} - C:\Program Files\ISTbar\istbar.dll
O4 - HKLM\..\Run: [BluetoothAuthenticationAgent] rundll32.exe irprops.cpl,,BluetoothAuthenticationAgent
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NeroCheck] C:\WINDOWS\System32\NeroCheck.exe
O4 - HKLM\..\Run: [RealTray] C:\Program Files\Real\RealPlayer\RealPlay.exe SYSTEMBOOTHIDEPLAYER
O4 - HKLM\..\Run: [Athan] C:\Program Files\Athan\Athan.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [LogitechVideoRepair] C:\Program Files\Logitech\Video\ISStart.exe
O4 - HKLM\..\Run: [LogitechVideoTray] C:\Program Files\Logitech\Video\LogiTray.exe
O4 - HKLM\..\Run: [Msn Messengers] msnmsgr.exe
O4 - HKLM\..\Run: [Microsoft Time Manager] dveldr.exe
O4 - HKLM\..\Run: [RunDLL] rundll32.exe "C:\WINDOWS\Downloaded Program Files\bridge.dll",Load
O4 - HKLM\..\Run: [IST Service] C:\Program Files\ISTsvc\istsvc.exe
O4 - HKLM\..\Run: [Internet Optimizer] "C:\Program Files\Internet Optimizer\optimize.exe"
O4 - HKLM\..\Run: [soZfdeIf] C:\documents and settings\papa\local settings\temp\soZfdeIf.exe
O4 - HKLM\..\Run: [msbb] c:\program files\180solutions\msbb.exe
O4 - HKLM\..\Run: [alchem] C:\WINDOWS\alchem.exe
O4 - HKLM\..\Run: [kpexqtwn] C:\WINDOWS\kpexqtwn.exe
O4 - HKLM\..\Run: [uFrQ3sS] edlszht.exe
O4 - HKLM\..\Run: [AutoUpdater] "C:\Program Files\AutoUpdate\AutoUpdate.exe"
O4 - HKLM\..\Run: [Windows System Configuration] C:\WINDOWS\SYSCFG16.EXE
O4 - HKLM\..\Run: [Windows DLL Loader] C:\WINDOWS\SYSCFG16.EXE
O4 - HKLM\..\RunServices: [Msn Messengers] msnmsgr.exe
O4 - HKLM\..\RunServices: [Microsoft Time Manager] dveldr.exe
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\System32\NVMCTRAY.DLL,NvTaskbarInit
O4 - HKCU\..\Run: [Msn Messengers] msnmsgr.exe
O4 - HKCU\..\Run: [Aacn] C:\Documents and Settings\Papa\Application Data\ceco.exe
O4 - HKCU\..\Run: [Mdqliup] C:\WINDOWS\System32\jryqe.exe
O4 - HKCU\..\Run: [fo04RienT] dgsrsit.exe
O4 - HKCU\..\RunServices: [Msn Messengers] msnmsgr.exe
O4 - Startup: wkcalrem.LNK = C:\Program Files\Fichiers communs\Microsoft Shared\Works Shared\WkCalRem.exe
O4 - Global Startup: DSLMON.lnk = C:\Program Files\SAGEM\SAGEM F@st 800-908\dslmon.exe
O4 - Global Startup: Icône AOL.lnk = C:\Program Files\AOL 7.0\aoltray.exe
O4 - Global Startup: Image Transfer.lnk = C:\Program Files\Sony Corporation\Image Transfer\SonyTray.exe
O4 - Global Startup: InterVideo WinCinema Manager.lnk = C:\Program Files\InterVideo\Common\Bin\WinCinemaMgr.exe
O4 - Global Startup: Logitech Desktop Messenger.lnk = C:\Program Files\Logitech\Desktop Messenger\8876480\Program\LDMConf.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O8 - Extra context menu item: Chercher avec Copernic Agent - C:\Program Files\Copernic Agent\Web\SearchExt.htm
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MI1933~1\Office10\EXCEL.EXE/3000
O9 - Extra 'Tools' menuitem: Console Java (Sun) (HKLM)
O9 - Extra button: SideFind (HKLM)
O9 - Extra 'Tools' menuitem: Démarrer Copernic Agent (HKLM)
O9 - Extra button: Copernic Agent (HKLM)
O9 - Extra button: Related (HKLM)
O9 - Extra 'Tools' menuitem: Show &Related Links (HKLM)
O9 - Extra button: Real.com (HKLM)
O14 - IERESET.INF: START_PAGE_URL=http://home.free.fr/
O16 - DPF: {02BF25D5-8C17-4B23-BC80-D3488ABDDC6B} (QuickTime Object) - http://www.apple.com/qtactivex/qtplugin.cab
O16 - DPF: {31B7EB4E-8B4B-11D1-A789-00A0CC6651A8} (Cult3D ActiveX Player) - http://www.cult3d.com/download/cult.cab
O16 - DPF: {386A771C-E96A-421F-8BA7-32F1B706892F} (Installer Class) - http://www.xxxtoolbar.com/ist/softwares/v4.0/0006_regular.cab
O16 - DPF: {486E48B5-ABF2-42BB-A327-2679DF3FB822} - http://akamai.downloadv3.com/binaries/IA/ia_XP.cab
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai.net/7/840/537/2004061001/housecall.trendmicro.com/housecall/xscan53.cab
O16 - DPF: {94742E3F-D9A1-4780-9A87-2FFA43655DA2} - http://akamai.downloadv3.com/binaries/DialHTML/EGDHTML_pack_XP.cab
O16 - DPF: {9C691A33-7DDA-4C2F-BE4C-C176083F35CF} (brdg Class) - http://static.flingstone.com/cab/2000XP/CDTInc/bridge.cab
O16 - DPF: {9EB320CE-BE1D-4304-A081-4B4665414BEF} (MediaTicketsInstaller Control) - http://www.mt-download.com/MediaTicketsInstaller.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab
O16 - DPF: {FF65677A-8977-48CA-916A-DFF81B037DF3} (WMService Class) - http://download.overpro.com/WildAppNonUS.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{3DC8F6AC-C386-4413-8C62-E0A469427A31}: NameServer = 212.27.39.1 213.228.0.23