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Trojan.Encoder.259

Added to the Dr.Web virus database: 2013-07-15

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'newUserProfile' = ''
Malicious functions:
Creates and executes the following:
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Documentation\eng\Far.FAQ.txt"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Documentation\eng\Plugins.Install.txt"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Documentation\eng\Arc.Support.txt"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Documentation\eng\Bug.Report.txt"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Documentation\rus\Arc.Support.txt"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Documentation\rus\Bug.Report.txt"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Documentation\eng\Plugins.Review.txt"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Documentation\eng\TechInfo.txt"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Addons\README.TXT"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\bookmarks.html"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%HOMEPATH%\Templates\excel.xls"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Documents and Settings\Default User\Templates\winword2.doc"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%APPDATA%\Microsoft\Internet Explorer\brndlog.txt"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%HOMEPATH%\Templates\winword.doc"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%HOMEPATH%\Templates\winword2.doc"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%HOMEPATH%\Templates\excel4.xls"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%HOMEPATH%\Templates\powerpnt.ppt"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Documentation\rus\Far.FAQ.txt"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Plugins\ExtSearch\doc\REGEXPS.TXT"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Plugins\ExtSearch\doc\RUS_NEWS.TXT"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Plugins\ExtSearch\doc\ENG_NEWS.TXT"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Plugins\ExtSearch\doc\ENG_READ.TXT"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Plugins\FTP\FtpCmds_rus.txt"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Plugins\FTP\Notes.txt"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Plugins\ExtSearch\doc\RUS_READ.TXT"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Plugins\FTP\FtpCmds.txt"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Plugins\Colorer\hrd\catalog-text.xml"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Documentation\rus\TechInfo.txt"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Plugins\7-Zip\far7z.txt"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Documentation\rus\Plugins.Install.txt"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Documentation\rus\Plugins.Review.txt"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Plugins\Colorer\hrd\catalog-console.xml"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Plugins\Colorer\hrd\catalog-rgb.xml"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Plugins\Colorer\catalog.xml"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Far2\Plugins\Colorer\hrc\changes.txt"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\drip.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\duck.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\dirt bike.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\dog.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\guitar.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\horses.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\fish.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\frog.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\chess.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\astronaut.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\ball.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe'
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\airplane.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\car.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\cat.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\beach.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\butterfly.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\kick.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\Winter.jpg"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Documents and Settings\Default User\Application Data\Microsoft\Internet Explorer\brndlog.txt"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\Sunset.jpg"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\Water lilies.jpg"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Documents and Settings\Default User\Templates\powerpnt.ppt"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Documents and Settings\Default User\Templates\winword.doc"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Documents and Settings\Default User\Templates\excel.xls"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "C:\Documents and Settings\Default User\Templates\excel4.xls"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\Blue hills.jpg"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\pink flower.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\red flower.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\lift-off.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\palm tree.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\guest.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\%USERNAME%.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\skater.bmp"
  • '%PROGRAM_FILES%\Internet Explorer\sd.exe' -p 5 -s -q "%ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\snowflake.bmp"
Executes the following:
  • '<SYSTEM32>\reg.exe' ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v newUserProfile /t REG_EXPAND_SZ /d "%PROGRAM_FILES%\Internet Explorer\gadgets.exe" /f
  • '<SYSTEM32>\cmd.exe' /c "%PROGRAM_FILES%\Internet Explorer\rsrt.bat"
  • '<SYSTEM32>\cmd.exe' /c ..bat
  • '<SYSTEM32>\ping.exe' 127.0.0.1
Modifies file system :
Creates the following files:
  • %HOMEPATH%\Templates\winword2.doc.brkn
  • C:\Far2\Addons\README.TXT.brkn
  • %HOMEPATH%\Templates\powerpnt.ppt.brkn
  • %HOMEPATH%\Templates\winword.doc.brkn
  • C:\Far2\Documentation\eng\Arc.Support.txt.brkn
  • C:\Far2\Documentation\eng\Plugins.Review.txt.brkn
  • C:\Far2\Documentation\eng\TechInfo.txt.brkn
  • C:\Far2\Documentation\eng\Bug.Report.txt.brkn
  • C:\Far2\Documentation\eng\Far.FAQ.txt.brkn
  • %HOMEPATH%\Templates\excel4.xls.brkn
  • C:\Documents and Settings\Default User\Templates\excel4.xls.brkn
  • C:\Documents and Settings\Default User\Templates\powerpnt.ppt.brkn
  • C:\Documents and Settings\Default User\Application Data\Microsoft\Internet Explorer\brndlog.txt.brkn
  • C:\Documents and Settings\Default User\Templates\excel.xls.brkn
  • C:\Documents and Settings\Default User\Templates\winword.doc.brkn
  • %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\bookmarks.html.brkn
  • %HOMEPATH%\Templates\excel.xls.brkn
  • C:\Documents and Settings\Default User\Templates\winword2.doc.brkn
  • %APPDATA%\Microsoft\Internet Explorer\brndlog.txt.brkn
  • C:\Far2\Documentation\rus\Arc.Support.txt.brkn
  • C:\Far2\Plugins\ExtSearch\doc\ENG_READ.TXT.brkn
  • C:\Far2\Plugins\ExtSearch\doc\REGEXPS.TXT.brkn
  • C:\Far2\Plugins\Colorer\hrd\catalog-text.xml.brkn
  • C:\Far2\Plugins\ExtSearch\doc\ENG_NEWS.TXT.brkn
  • C:\Far2\Plugins\ExtSearch\doc\RUS_NEWS.TXT.brkn
  • C:\Far2\Plugins\FTP\FtpCmds_rus.txt.brkn
  • C:\Far2\Plugins\FTP\Notes.txt.brkn
  • C:\Far2\Plugins\ExtSearch\doc\RUS_READ.TXT.brkn
  • C:\Far2\Plugins\FTP\FtpCmds.txt.brkn
  • C:\Far2\Plugins\Colorer\hrd\catalog-rgb.xml.brkn
  • C:\Far2\Documentation\rus\Plugins.Install.txt.brkn
  • C:\Far2\Documentation\rus\Plugins.Review.txt.brkn
  • C:\Far2\Documentation\rus\Bug.Report.txt.brkn
  • C:\Far2\Documentation\rus\Far.FAQ.txt.brkn
  • C:\Far2\Documentation\rus\TechInfo.txt.brkn
  • C:\Far2\Plugins\Colorer\hrc\changes.txt.brkn
  • C:\Far2\Plugins\Colorer\hrd\catalog-console.xml.brkn
  • C:\Far2\Plugins\7-Zip\far7z.txt.brkn
  • C:\Far2\Plugins\Colorer\catalog.xml.brkn
  • %ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\Winter.jpg.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\astronaut.bmp.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\ball.bmp.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\airplane.bmp.brkn
  • %PROGRAM_FILES%\Internet Explorer\sha.ll
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\beach.bmp.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\cat.bmp.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\chess.bmp.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\butterfly.bmp.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\car.bmp.brkn
  • %PROGRAM_FILES%\Internet Explorer\rsrt.bat
  • %PROGRAM_FILES%\Internet Explorer\index2.html
  • %PROGRAM_FILES%\Internet Explorer\images\9db2353294d43c8aa1af68ac2a80f69a_full.jpg
  • <Current directory>\..bat
  • %PROGRAM_FILES%\Internet Explorer\sd.exe
  • %PROGRAM_FILES%\Internet Explorer\images\shape713378204.gif
  • %PROGRAM_FILES%\Internet Explorer\images\shape716614257.gif
  • %PROGRAM_FILES%\Internet Explorer\sla.ll
  • %PROGRAM_FILES%\Internet Explorer\images\shape713722810.gif
  • %PROGRAM_FILES%\Internet Explorer\images\shape713735571.gif
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\dirt bike.bmp.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\skater.bmp.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\snowflake.bmp.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\pink flower.bmp.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\red flower.bmp.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\guest.bmp.brkn
  • %ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\Sunset.jpg.brkn
  • %ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\Water lilies.jpg.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\%USERNAME%.bmp.brkn
  • %ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\Blue hills.jpg.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\palm tree.bmp.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\duck.bmp.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\fish.bmp.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\dog.bmp.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\drip.bmp.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\frog.bmp.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\kick.bmp.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\lift-off.bmp.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\guitar.bmp.brkn
  • %ALLUSERSPROFILE%\Application Data\Microsoft\User Account Pictures\Default Pictures\horses.bmp.brkn
Moves itself:
  • from <Full path to virus> to %PROGRAM_FILES%\Internet Explorer\gadgets.exe
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Button' WindowName: '&Agree'
  • ClassName: '(null)' WindowName: 'SDelete License Agreement'
  • ClassName: 'Indicator' WindowName: '(null)'

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