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Profil

Trojan.Encoder.10006

Added to the Dr.Web virus database: 2016-12-30

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe HelpMe.exe'
Creates or modifies the following files:
  • %ALLUSERSPROFILE%\Start Menu\Programs\Startup\desktop.ini.exe
  • %HOMEPATH%\Start Menu\Programs\Startup\Soft.lnk
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
Executes the following:
  • '<SYSTEM32>\HelpMe.exe'
Searches for windows to
detect analytical utilities:
  • ClassName: '', WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
  • ClassName: 'PROCMON_WINDOW_CLASS', WindowName: ''
  • ClassName: '', WindowName: 'Registry Monitor - Sysinternals: www.sysinternals.com'
  • ClassName: 'RegmonClass', WindowName: ''
  • ClassName: '', WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
  • ClassName: 'GBDYLLO', WindowName: ''
  • ClassName: 'OLLYDBG', WindowName: ''
  • ClassName: 'FilemonClass', WindowName: ''
  • ClassName: 'pediy06', WindowName: ''
Modifies file system:
Creates the following files:
  • %ALLUSERSPROFILE%\Start Menu\Programs\Windows Messenger.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\MSN.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Windows Movie Maker.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Windows Catalog.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Set Program Access and Defaults.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Games\Spider Solitaire.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Games\Internet Spades.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Games\Internet Reversi.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Games\Minesweeper.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Games\Solitaire.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Games\Pinball.lnk.exe
  • C:\Documents and Settings\Default User\Local Settings\Application Data\Microsoft\Windows Media\9.0\WMSDKNS.XML.exe
  • C:\Documents and Settings\Default User\Local Settings\Application Data\Microsoft\Windows Media\9.0\WMSDKNS.DTD.exe
  • C:\Documents and Settings\Default User\Local Settings\desktop.ini.exe
  • C:\Documents and Settings\Default User\Local Settings\History\History.IE5\desktop.ini.exe
  • C:\Documents and Settings\Default User\Local Settings\History\desktop.ini.exe
  • C:\Documents and Settings\Default User\Local Settings\Application Data\Microsoft\Media Player\CurrentDatabase_59R.wmdb.exe
  • C:\Documents and Settings\Default User\Application Data\desktop.ini.exe
  • %ALLUSERSPROFILE%\Start Menu\Windows Update.lnk.exe
  • C:\Documents and Settings\Default User\Application Data\Microsoft\Internet Explorer\brndlog.bak.exe
  • C:\Documents and Settings\Default User\Cookies\index.dat.exe
  • C:\Documents and Settings\Default User\Application Data\Microsoft\Internet Explorer\brndlog.txt.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Games\Internet Hearts.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Administrative Tools\Computer Management.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Administrative Tools\Component Services.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Administrative Tools\Data Sources (ODBC).lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Administrative Tools\Event Viewer.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Administrative Tools\desktop.ini.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\WordPad.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\System Tools\Scheduled Tasks.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\System Tools\Files and Settings Transfer Wizard.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\System Tools\Security Center.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\System Tools\System Restore.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\System Tools\System Information.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Games\Freecell.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Games\desktop.ini.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Games\Hearts.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Games\Internet Checkers.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Games\Internet Backgammon.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\desktop.ini.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Administrative Tools\Microsoft .NET Framework 1.1 Configuration.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Administrative Tools\Local Security Policy.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Administrative Tools\Microsoft .NET Framework 1.1 Wizards.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Administrative Tools\Services.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Administrative Tools\Performance.lnk.exe
  • C:\Documents and Settings\Default User\Start Menu\Programs\Startup\desktop.ini.exe
  • C:\Documents and Settings\Default User\Start Menu\Programs\Remote Assistance.lnk.exe
  • C:\Documents and Settings\Default User\Start Menu\Programs\Windows Media Player.lnk.exe
  • C:\Documents and Settings\Default User\Templates\excel.xls.exe
  • C:\Documents and Settings\Default User\Templates\amipro.sam.exe
  • C:\Documents and Settings\Default User\Start Menu\Programs\desktop.ini.exe
  • C:\Documents and Settings\Default User\Start Menu\Programs\Accessories\Program Compatibility Wizard.lnk.exe
  • C:\Documents and Settings\Default User\Start Menu\Programs\Accessories\Notepad.lnk.exe
  • C:\Documents and Settings\Default User\Start Menu\Programs\Accessories\Synchronize.lnk.exe
  • C:\Documents and Settings\Default User\Start Menu\Programs\Accessories\Windows Explorer.lnk.exe
  • C:\Documents and Settings\Default User\Start Menu\Programs\Accessories\Tour Windows XP.lnk.exe
  • C:\Documents and Settings\Default User\Templates\wordpfct.wpg.exe
  • C:\Documents and Settings\Default User\Templates\wordpfct.wpd.exe
  • C:\Documents and Settings\LocalService\Cookies\index.dat.exe
  • C:\System Volume Information\_restore{E7F0F64C-F7E5-4319-8757-E9A20C1C4E14}\_filelst.cfg
  • C:\Documents and Settings\LocalService\Local Settings\Application Data\FontCache3.0.0.0.dat.exe
  • C:\Documents and Settings\Default User\Templates\sndrec.wav.exe
  • C:\Documents and Settings\Default User\Templates\lotus.wk4.exe
  • C:\Documents and Settings\Default User\Templates\excel4.xls.exe
  • C:\Documents and Settings\Default User\Templates\powerpnt.ppt.exe
  • C:\Documents and Settings\Default User\Templates\quattro.wb2.exe
  • C:\Documents and Settings\Default User\Templates\presenta.shw.exe
  • C:\Documents and Settings\Default User\Start Menu\Programs\Accessories\Entertainment\Windows Media Player.lnk.exe
  • C:\Documents and Settings\Default User\Local Settings\<INETFILES>\desktop.ini.exe
  • C:\Documents and Settings\Default User\Local Settings\<INETFILES>\Content.IE5\YPORKZYZ\desktop.ini.exe
  • C:\Documents and Settings\Default User\NTUSER.DAT.exe
  • C:\Documents and Settings\Default User\SendTo\Desktop (create shortcut).DeskLink.exe
  • C:\Documents and Settings\Default User\SendTo\Compressed (zipped) Folder.ZFSendToTarget.exe
  • C:\Documents and Settings\Default User\Local Settings\<INETFILES>\Content.IE5\U98D4X8H\desktop.ini.exe
  • C:\Documents and Settings\Default User\Local Settings\<INETFILES>\Content.IE5\2VAZY7AN\desktop.ini.exe
  • C:\Documents and Settings\Default User\Local Settings\History\History.IE5\index.dat.exe
  • C:\Documents and Settings\Default User\Local Settings\<INETFILES>\Content.IE5\desktop.ini.exe
  • C:\Documents and Settings\Default User\Local Settings\<INETFILES>\Content.IE5\KHMHGZ4F\desktop.ini.exe
  • C:\Documents and Settings\Default User\Local Settings\<INETFILES>\Content.IE5\index.dat.exe
  • C:\Documents and Settings\Default User\Start Menu\Programs\Accessories\Accessibility\Utility Manager.lnk.exe
  • C:\Documents and Settings\Default User\Start Menu\Programs\Accessories\Accessibility\On-Screen Keyboard.lnk.exe
  • C:\Documents and Settings\Default User\Start Menu\Programs\Accessories\Command Prompt.lnk.exe
  • C:\Documents and Settings\Default User\Start Menu\Programs\Accessories\Entertainment\desktop.ini.exe
  • C:\Documents and Settings\Default User\Start Menu\Programs\Accessories\desktop.ini.exe
  • C:\Documents and Settings\Default User\Start Menu\Programs\Accessories\Accessibility\Narrator.lnk.exe
  • C:\Documents and Settings\Default User\SendTo\Mail Recipient.MAPIMail.exe
  • C:\Documents and Settings\Default User\SendTo\desktop.ini.exe
  • C:\Documents and Settings\Default User\Start Menu\desktop.ini.exe
  • C:\Documents and Settings\Default User\Start Menu\Programs\Accessories\Accessibility\Magnifier.lnk.exe
  • C:\Documents and Settings\Default User\Start Menu\Programs\Accessories\Accessibility\desktop.ini.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\horses.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\guitar.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\kick.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\palm tree.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\lift-off.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\frog.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\dog.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\dirt bike.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\drip.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\fish.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\duck.bmp.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Desktop.ini.exe
  • %ALLUSERSPROFILE%\Documents\desktop.ini.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Music\Beethoven's Symphony No. 9 (Scherzo).wma.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Music\New Stories (Highway Blues).wma.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Music\desktop.ini.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\%USERNAME%.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\red flower.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\pink flower.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\skater.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\guest.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\snowflake.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\chess.bmp.exe
  • C:\DbgLog.log.exe
  • C:\CONFIG.SYS.exe
  • %ALLUSERSPROFILE%\Application Data\desktop.ini.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\Dr Watson\drwtsn32.log.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\Crypto\RSA\S-1-5-18\d42cc0c3858a58db2db37658219e6400_23ef5514-3059-436f-a4a7-4cefaab20eb1.exe
  • C:\boot.ini.exe
  • C:\AutoRun.exe
  • <SYSTEM32>\HelpMe.exe
  • C:\AUTORUN.INF
  • C:\AUTORUN.INF.exe
  • C:\AUTOEXEC.BAT.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\beach.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\ball.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\butterfly.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\cat.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\car.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\astronaut.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\Media Player\UserMigratedStore_59R.bin.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\Media Player\DefaultStore_59R.bin.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\Network\Connections\Pbk\rasphone.pbk.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\airplane.bmp.exe
  • %ALLUSERSPROFILE%\Application Data\Microsoft\Network\Connections\Pbk\sharedaccess.ini.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Communications\Network Connections.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Communications\HyperTerminal.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Communications\Network Setup Wizard.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Communications\Remote Desktop Connection.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Communications\New Connection Wizard.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Communications\desktop.ini.exe
  • %ALLUSERSPROFILE%\Start Menu\desktop.ini.exe
  • %ALLUSERSPROFILE%\DRM\drmv2.sst.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Accessibility\Accessibility Wizard.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Calculator.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Accessibility\desktop.ini.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\System Tools\Character Map.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\System Tools\Backup.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\System Tools\desktop.ini.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\System Tools\Disk Defragmenter.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\System Tools\Disk Cleanup.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Paint.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\desktop.ini.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Communications\Wireless Network Setup Wizard.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Entertainment\desktop.ini.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Entertainment\Volume Control.lnk.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Entertainment\Sound Recorder.lnk.exe
  • %ALLUSERSPROFILE%\DRM\drmv2.lic.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\0338E140\Plylst2.wpl.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\0338E140\Plylst15.wpl.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\0338E140\Plylst3.wpl.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\0338E140\Plylst5.wpl.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\0338E140\Plylst4.wpl.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\0338E140\Plylst14.wpl.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\0338E140\Plylst10.wpl.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\0338E140\Plylst1.wpl.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\0338E140\Plylst11.wpl.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\0338E140\Plylst13.wpl.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\0338E140\Plylst12.wpl.exe
  • %ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\Sunset.jpg.exe
  • %ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\desktop.ini.exe
  • %ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\Water lilies.jpg.exe
  • %ALLUSERSPROFILE%\Documents\My Videos\Desktop.ini.exe
  • %ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\Winter.jpg.exe
  • %ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\Blue hills.jpg.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\0338E140\Plylst7.wpl.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\0338E140\Plylst6.wpl.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\0338E140\Plylst8.wpl.exe
  • %ALLUSERSPROFILE%\Documents\My Pictures\Desktop.ini.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\0338E140\Plylst9.wpl.exe
Sets the 'hidden' attribute to the following files:
  • C:\AUTORUN.INF
  • C:\AutoRun.exe
Deletes the following files:
  • C:\AUTORUN.INF
Modifies user data files (Trojan.Encoder).
Changes user data files extensions (Trojan.Encoder).
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: '18467-41' WindowName: ''

Recommandations pour le traitement

  1. Si le système d'exploitation peut être démarré (en mode normal ou en mode sans échec), téléchargez Dr.Web Security Space et lancez un scan complet de votre ordinateur et de tous les supports amovibles que vous utilisez. En savoir plus sur Dr.Web Security Space.
  2. Si le démarrage du système d'exploitation est impossible, veuillez modifier les paramètres du BIOS de votre ordinateur pour démarrer votre ordinateur via CD/DVD ou clé USB. Téléchargez l'image du disque de secours de restauration du système Dr.Web® LiveDisk ou l'utilitaire pour enregistrer Dr.Web® LiveDisk sur une clé USB, puis préparez la clé USB appropriée. Démarrez l'ordinateur à l'aide de cette clé et lancez le scan complet et le traitement des menaces détectées.

Veuillez lancer le scan complet du système à l'aide de Dr.Web Antivirus pour Mac OS.

Veuillez lancer le scan complet de toutes les partitions du disque à l'aide de Dr.Web Antivirus pour Linux.

  1. Si votre appareil mobile fonctionne correctement, veuillez télécharger et installer sur votre appareil mobile Dr.Web pour Android. Lancez un scan complet et suivez les recommandations sur la neutralisation des menaces détectées.
  2. Si l'appareil mobile est bloqué par le Trojan de la famille Android.Locker (un message sur la violation grave de la loi ou la demande d'une rançon est affiché sur l'écran de l'appareil mobile), procédez comme suit:
    • démarrez votre Smartphone ou votre tablette en mode sans échec (si vous ne savez pas comment faire, consultez la documentation de l'appareil mobile ou contactez le fabricant) ;
    • puis téléchargez et installez sur votre appareil mobile Dr.Web pour Android et lancez un scan complet puis suivez les recommandations sur la neutralisation des menaces détectées ;
    • Débranchez votre appareil et rebranchez-le.

En savoir plus sur Dr.Web pour Android