Je viens d'attraper un trojan (TR/Crypt.XPACK.Gen) dans C:\Users\*****\AppData\Local\Temp\~TM7247.tmp.
D'après le rapport, Antivir l'a détecté et a bloqué l'accès.

J'ai fait un scan avec Antivir sur le disque C, puis un scan avec spybot et enfin un rapport hijackthis :

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 17:06:08, on 02/01/2010
Platform: Windows Vista SP2 (WinNT 6.00.1906)
MSIE: Internet Explorer v8.00 (8.00.6001.18865)
Boot mode: Normal

Running processes:
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Windows\system32\taskeng.exe
C:\Program Files\Windows Defender\MSASCui.exe
C:\Windows\RtHDVCpl.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Program Files\Toshiba\Power Saver\TPwrMain.exe
C:\Program Files\Toshiba\SmoothView\SmoothView.exe
C:\Program Files\Toshiba\FlashCards\TCrdMain.exe
C:\Program Files\Toshiba TEMPRO\Toshiba.Tempo.UI.TrayApplication.exe
C:\Program Files\Camera Assistant Software for Toshiba\traybar.exe
C:\Program Files\Avira\AntiVir Desktop\avgnt.exe
C:\Program Files\Toshiba\TOSCDSPD\TOSCDSPD.exe
C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
C:\Program Files\Windows Media Player\wmpnscfg.exe
C:\Program Files\ATI Technologies\ATI.ACE\Core-Static\MOM.exe
C:\Program Files\ATI Technologies\ATI.ACE\Core-Static\CCC.exe
C:\Windows\system32\svchost.exe
C:\Program Files\Synaptics\SynTP\SynTPHelper.exe
C:\Windows\system32\werfault.exe
C:\Program Files\Windows Live\Messenger\msnmsgr.exe
C:\Program Files\Windows Live\Contacts\wlcomm.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\program files\avira\antivir desktop\avcenter.exe
E:\Users\*****\Downloads\HiJackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O1 - Hosts: ::1 localhost
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_07\bin\ssv.dll
O2 - BHO: Programme d'aide de l'Assistant de connexion Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O4 - HKLM\..\Run: [Windows Defender] %ProgramFiles%\Windows Defender\MSASCui.exe -hide
O4 - HKLM\..\Run: [RtHDVCpl] RtHDVCpl.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [TPwrMain] %ProgramFiles%\TOSHIBA\Power Saver\TPwrMain.EXE
O4 - HKLM\..\Run: [HSON] %ProgramFiles%\TOSHIBA\TBS\HSON.exe
O4 - HKLM\..\Run: [SmoothView] %ProgramFiles%\Toshiba\SmoothView\SmoothView.exe
O4 - HKLM\..\Run: [00TCrdMain] %ProgramFiles%\TOSHIBA\FlashCards\TCrdMain.exe
O4 - HKLM\..\Run: [NDSTray.exe] NDSTray.exe
O4 - HKLM\..\Run: [Toshiba TEMPO] C:\Program Files\Toshiba TEMPRO\Toshiba.Tempo.UI.TrayApplication.exe
O4 - HKLM\..\Run: [StartCCC] "C:\Program Files\ATI Technologies\ATI.ACE\Core-Static\CLIStart.exe" MSRun
O4 - HKLM\..\Run: [Camera Assistant Software] "C:\Program Files\Camera Assistant Software for Toshiba\traybar.exe" /start
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKLM\..\Run: [Skytel] Skytel.exe
O4 - HKCU\..\Run: [TOSCDSPD] C:\Program Files\TOSHIBA\TOSCDSPD\TOSCDSPD.exe
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKCU\..\Run: [WMPNSCFG] C:\Program Files\Windows Media Player\WMPNSCFG.exe
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-19\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'SERVICE RÉSEAU')
O4 -

HKUS\S-1-5-21-2622346983-1516439370-2374463454-501

\..\Run: [Sidebar] C:\Program Files\Windows Sidebar\sidebar.exe /autoRun (User 'Invité')
O4 - .DEFAULT User Startup: TRDCReminder.lnk = C:\Program Files\Toshiba\TRDCReminder\TRDCReminder.exe (User 'Default user')
O4 - Startup: siszyd32.exe
O8 - Extra context menu item: E&xporter vers Microsoft Excel -

res://C:\PROGRA~1\MICROS~2\Office12\EXCEL.EXE/3000

O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\PROGRA~1\Java\JRE16~2.0_0\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\PROGRA~1\Java\JRE16~2.0_0\bin\ssv.dll
O9 - Extra button: eBay - Achetez, Vendez - {76577871-04EC-495E-A12B-91F7C3600AFA} - http://rover.ebay.com/rover/1/709-44555-9400-3/4 (file missing)
O9 - Extra button: Amazon.fr - {8A918C1D-E123-4E36-B562-5C1519E434CE} - http://www.amazon.fr/exec/obidos/redirect-home?tag=Toshibafrbholink-21&site=home (file missing)
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O13 - Gopher Prefix:
O16 - DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} - http://platformdl.adobe.ccom/NOS/getPlusPlus/1.6/gp.cab
O23 - Service: Avira AntiVir Planificateur (AntiVirSchedulerService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\avguard.exe
O23 - Service: Ati External Event Utility - ATI Technologies Inc. - C:\Windows\system32\Ati2evxx.exe
O23 - Service: ConfigFree Service - TOSHIBA CORPORATION - C:\Program Files\TOSHIBA\ConfigFree\CFSvcs.exe
O23 - Service: Jumpstart Wifi Protected Setup (jswpsapi) - Atheros Communications, Inc. - C:\Program Files\Jumpstart\jswpsapi.exe
O23 - Service: SBSD Security Center Service (SBSDWSCService) - Safer Networking Ltd. - C:\Program Files\Spybot - Search & Destroy\SDWinSec.exe
O23 - Service: SmartFaceVWatchSrv - Toshiba - C:\Program Files\Toshiba\SmartFaceV\SmartFaceVWatchSrv.exe
O23 - Service: Steam Client Service - Valve Corporation - C:\Program Files\Common Files\Steam\SteamService.exe
O23 - Service: Notebook Performance Tuning Service (TempoMonitoringService) - Toshiba Europe GmbH - C:\Program Files\Toshiba TEMPRO\TempoSVC.exe
O23 - Service: TOSHIBA Navi Support Service (TNaviSrv) - TOSHIBA Corporation - C:\Program Files\Toshiba\TOSHIBA DVD PLAYER\TNaviSrv.exe
O23 - Service: TOSHIBA Optical Disc Drive Service (TODDSrv) - TOSHIBA Corporation - C:\Windows\system32\TODDSrv.exe
O23 - Service: TOSHIBA Power Saver (TosCoSrv) - TOSHIBA Corporation - C:\Program Files\Toshiba\Power Saver\TosCoSrv.exe
O23 - Service: TOSHIBA SMART Log Service - TOSHIBA Corporation - C:\Program Files\TOSHIBA\SMARTLogService\TosIPCSrv.exe
O23 - Service: Ulead Burning Helper (UleadBurningHelper) - Ulead Systems, Inc. - C:\Program Files\Common Files\Ulead Systems\DVD\ULCDRSvr.exe

--
End of file - 7249 bytes

Me suis-je bien débarrassé de ce trojan ?