マイライブラリ
マイライブラリ

+ マイライブラリに追加

電話

お問い合わせ履歴

電話(英語)

+7 (495) 789-45-86

Profile

Trojan.MulDrop2.59190

Added to the Dr.Web virus database: 2011-08-16

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • %ALLUSERSPROFILE%\Start Menu\Programs\Startup\backup.exe
  • %HOMEPATH%\Start Menu\Programs\Startup\backup.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
  • file extensions
Creates and executes the following:
  • %CommonProgramFiles%\Microsoft Shared\DW\backup.exe %CommonProgramFiles%\Microsoft Shared\DW\
  • C:\Far\Addons\XLat\Russian\backup.exe C:\Far\Addons\XLat\Russian\
  • C:\Far\PlugDoc\Examples\Editor\Align\backup.exe C:\Far\PlugDoc\Examples\Editor\Align\
  • %CommonProgramFiles%\Microsoft Shared\DAO\backup.exe %CommonProgramFiles%\Microsoft Shared\DAO\
  • C:\Far\Addons\XLat\backup.exe C:\Far\Addons\XLat\
  • C:\Far\PlugDoc\Examples\Editor\update.exe C:\Far\PlugDoc\Examples\Editor\
  • %CommonProgramFiles%\Microsoft Shared\DW\1028\System Restore.exe %CommonProgramFiles%\Microsoft Shared\DW\1028\
  • C:\Far\PlugDoc\Examples\Editor\Brackets\backup.exe C:\Far\PlugDoc\Examples\Editor\Brackets\
  • C:\Far\Plugins\ascii\backup.exe C:\Far\Plugins\ascii\
  • %CommonProgramFiles%\Microsoft Shared\DW\1025\backup.exe %CommonProgramFiles%\Microsoft Shared\DW\1025\
  • C:\Far\PlugDoc\Examples\Editor\AutoWrap\backup.exe C:\Far\PlugDoc\Examples\Editor\AutoWrap\
  • C:\Far\Plugins\backup.exe C:\Far\Plugins\
  • %ALLUSERSPROFILE%\Start Menu\Programs\Games\backup.exe %ALLUSERSPROFILE%\Start Menu\Programs\Games\
  • C:\Far\Addons\Tables\Cyrillic\E-Mail Double Conversion\backup.exe C:\Far\Addons\Tables\Cyrillic\E-Mail Double Conversion\
  • %ALLUSERSPROFILE%\Start Menu\Programs\Startup\backup.exe %ALLUSERSPROFILE%\Start Menu\Programs\Startup\
  • <Auxiliary element> <Auxiliary element>
  • C:\Far\PlugDoc\backup.exe C:\Far\PlugDoc\
  • %PROGRAM_FILES%\backup.exe %PROGRAM_FILES%\
  • %CommonProgramFiles%\Microsoft Shared\backup.exe %CommonProgramFiles%\Microsoft Shared\
  • C:\Far\PlugDoc\Examples\Compare\backup.exe C:\Far\PlugDoc\Examples\Compare\
  • C:\Far\Addons\Tables\Western European\update.exe C:\Far\Addons\Tables\Western European\
  • C:\Far\PlugDoc\Examples\backup.exe C:\Far\PlugDoc\Examples\
  • %CommonProgramFiles%\backup.exe %CommonProgramFiles%\
  • C:\Far\Addons\Tables\Hebrew\backup.exe C:\Far\Addons\Tables\Hebrew\
  • %CommonProgramFiles%\Microsoft Shared\DW\1031\backup.exe %CommonProgramFiles%\Microsoft Shared\DW\1031\
  • C:\Far\PlugDoc\Examples\FileCase\backup.exe C:\Far\PlugDoc\Examples\FileCase\
  • C:\Far\Plugins\backup\backup.exe C:\Far\Plugins\backup\
  • %PROGRAM_FILES%\FireFox\chrome\backup.exe %PROGRAM_FILES%\FireFox\chrome\
  • %CommonProgramFiles%\Microsoft Shared\DW\1036\backup.exe %CommonProgramFiles%\Microsoft Shared\DW\1036\
  • %CommonProgramFiles%\Microsoft Shared\Speech\backup.exe %CommonProgramFiles%\Microsoft Shared\Speech\
  • %WINDIR%\backup.exe %WINDIR%\
  • C:\Far\PlugDoc\Examples\HelloWorld\backup.exe C:\Far\PlugDoc\Examples\HelloWorld\
  • C:\Far\Plugins\calc\backup.exe C:\Far\Plugins\calc\
  • %CommonProgramFiles%\MSSoap\Binaries\Resources\backup.exe %CommonProgramFiles%\MSSoap\Binaries\Resources\
  • %CommonProgramFiles%\ODBC\backup.exe %CommonProgramFiles%\ODBC\
  • %CommonProgramFiles%\Microsoft Shared\DW\1040\backup.exe %CommonProgramFiles%\Microsoft Shared\DW\1040\
  • %PROGRAM_FILES%\Internet Explorer\backup.exe %PROGRAM_FILES%\Internet Explorer\
  • C:\Far\PlugDoc\Examples\Editor\DrawLine\data.exe C:\Far\PlugDoc\Examples\Editor\DrawLine\
  • %CommonProgramFiles%\Microsoft Shared\DW\1033\backup.exe %CommonProgramFiles%\Microsoft Shared\DW\1033\
  • %PROGRAM_FILES%\FireFox\backup.exe %PROGRAM_FILES%\FireFox\
  • %PROGRAM_FILES%\ComPlus Applications\backup.exe %PROGRAM_FILES%\ComPlus Applications\
  • C:\Far\PlugDoc\Headers.c\backup.exe C:\Far\PlugDoc\Headers.c\
  • %CommonProgramFiles%\MSSoap\backup.exe %CommonProgramFiles%\MSSoap\
  • C:\Far\Plugins\ascii\src\backup.exe C:\Far\Plugins\ascii\src\
  • C:\Far\PlugDoc\Examples\Editor\EditCase\backup.exe C:\Far\PlugDoc\Examples\Editor\EditCase\
  • %CommonProgramFiles%\MSSoap\Binaries\backup.exe %CommonProgramFiles%\MSSoap\Binaries\
  • C:\Far\PlugDoc\Examples\FARCmds\backup.exe C:\Far\PlugDoc\Examples\FARCmds\
  • %CommonProgramFiles%\Microsoft Shared\MSInfo\backup.exe %CommonProgramFiles%\Microsoft Shared\MSInfo\
  • C:\Far\PlugDoc\Headers.pas\backup.exe C:\Far\PlugDoc\Headers.pas\
  • C:\Far\Addons\Tables\Cyrillic\backup.exe C:\Far\Addons\Tables\Cyrillic\
  • %HOMEPATH%\Start Menu\Programs\Accessories\Entertainment\backup.exe %HOMEPATH%\Start Menu\Programs\Accessories\Entertainment\
  • %HOMEPATH%\Start Menu\Programs\Administrative Tools\System Restore.exe %HOMEPATH%\Start Menu\Programs\Administrative Tools\
  • %HOMEPATH%\Start Menu\Programs\Startup\backup.exe %HOMEPATH%\Start Menu\Programs\Startup\
  • %HOMEPATH%\Start Menu\Programs\backup.exe %HOMEPATH%\Start Menu\Programs\
  • %HOMEPATH%\Start Menu\Programs\Accessories\backup.exe %HOMEPATH%\Start Menu\Programs\Accessories\
  • %HOMEPATH%\Start Menu\Programs\Accessories\Accessibility\backup.exe %HOMEPATH%\Start Menu\Programs\Accessories\Accessibility\
  • %ALLUSERSPROFILE%\Documents\My Music\backup.exe %ALLUSERSPROFILE%\Documents\My Music\
  • %ALLUSERSPROFILE%\Documents\My Music\My Playlists\backup.exe %ALLUSERSPROFILE%\Documents\My Music\My Playlists\
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Music\backup.exe %ALLUSERSPROFILE%\Documents\My Music\Sample Music\
  • %ALLUSERSPROFILE%\backup.exe %ALLUSERSPROFILE%\
  • %ALLUSERSPROFILE%\Desktop\backup.exe %ALLUSERSPROFILE%\Desktop\
  • %ALLUSERSPROFILE%\Documents\backup.exe %ALLUSERSPROFILE%\Documents\
  • %HOMEPATH%\Cookies\backup.exe %HOMEPATH%\Cookies\
  • %HOMEPATH%\Desktop\backup.exe %HOMEPATH%\Desktop\
  • %HOMEPATH%\Favorites\backup.exe %HOMEPATH%\Favorites\
  • C:\backup.exe \
  • C:\Documents and Settings\backup.exe C:\Documents and Settings\
  • %HOMEPATH%\update.exe %HOMEPATH%\
  • %HOMEPATH%\My Documents\My Music\backup.exe %HOMEPATH%\My Documents\My Music\
  • %HOMEPATH%\My Documents\My Pictures\backup.exe %HOMEPATH%\My Documents\My Pictures\
  • %HOMEPATH%\Start Menu\backup.exe %HOMEPATH%\Start Menu\
  • %HOMEPATH%\Favorites\Links\backup.exe %HOMEPATH%\Favorites\Links\
  • %HOMEPATH%\My Documents\backup.exe %HOMEPATH%\My Documents\
  • %HOMEPATH%\My Documents\Downloads\backup.exe %HOMEPATH%\My Documents\Downloads\
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\backup.exe %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\
  • C:\Far\Addons\SetUp\backup.exe C:\Far\Addons\SetUp\
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Accessibility\backup.exe %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Accessibility\
  • C:\Far\Addons\Shell\backup.exe C:\Far\Addons\Shell\
  • %ALLUSERSPROFILE%\Start Menu\Programs\backup.exe %ALLUSERSPROFILE%\Start Menu\Programs\
  • C:\Far\Addons\Macros\backup.exe C:\Far\Addons\Macros\
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\backup.exe %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\System Tools\data.exe %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\System Tools\
  • C:\Far\Addons\Tables\Central European\backup.exe C:\Far\Addons\Tables\Central European\
  • %ALLUSERSPROFILE%\Start Menu\Programs\Administrative Tools\backup.exe %ALLUSERSPROFILE%\Start Menu\Programs\Administrative Tools\
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Communications\backup.exe %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Communications\
  • C:\Far\Addons\Tables\backup.exe C:\Far\Addons\Tables\
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Entertainment\System Restore.exe %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Entertainment\
  • C:\Far\Addons\backup.exe C:\Far\Addons\
  • %ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\backup.exe %ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\
  • C:\Far\Addons\Archivers\backup.exe C:\Far\Addons\Archivers\
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\000D7521\backup.exe %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\000D7521\
  • C:\Far\backup.exe C:\Far\
  • %ALLUSERSPROFILE%\Documents\My Pictures\backup.exe %ALLUSERSPROFILE%\Documents\My Pictures\
  • %ALLUSERSPROFILE%\Start Menu\backup.exe %ALLUSERSPROFILE%\Start Menu\
  • C:\Far\Addons\Colors\Custom Highlighting\backup.exe C:\Far\Addons\Colors\Custom Highlighting\
  • C:\Far\Addons\Colors\Default Highlighting\backup.exe C:\Far\Addons\Colors\Default Highlighting\
  • %ALLUSERSPROFILE%\Documents\My Videos\backup.exe %ALLUSERSPROFILE%\Documents\My Videos\
  • C:\Far\Addons\Colors\backup.exe C:\Far\Addons\Colors\
  • %ALLUSERSPROFILE%\Favorites\backup.exe %ALLUSERSPROFILE%\Favorites\
Modifies settings of Windows Explorer:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer] 'NoFolderOptions' = '00000001'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'
Modifies file system :
Creates the following files:
  • C:\Far\PlugDoc\Examples\Editor\Align\backup.exe
  • %CommonProgramFiles%\Microsoft Shared\DW\1025\backup.exe
  • C:\Far\PlugDoc\Examples\Editor\AutoWrap\backup.exe
  • C:\Far\PlugDoc\Examples\Editor\update.exe
  • %CommonProgramFiles%\Microsoft Shared\DW\backup.exe
  • C:\Far\Addons\XLat\Russian\backup.exe
  • C:\Far\Plugins\backup.exe
  • %CommonProgramFiles%\Microsoft Shared\DW\1031\backup.exe
  • %PROGRAM_FILES%\ComPlus Applications\backup.exe
  • C:\Far\PlugDoc\Headers.c\backup.exe
  • %CommonProgramFiles%\Microsoft Shared\DW\1028\System Restore.exe
  • C:\Far\PlugDoc\Examples\Editor\Brackets\backup.exe
  • C:\Far\Plugins\ascii\backup.exe
  • C:\Far\Addons\Tables\Cyrillic\E-Mail Double Conversion\backup.exe
  • %PROGRAM_FILES%\backup.exe
  • C:\Far\PlugDoc\Examples\backup.exe
  • <Auxiliary element>
  • C:\Far\PlugDoc\backup.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Games\backup.exe
  • %CommonProgramFiles%\backup.exe
  • C:\Far\Addons\Tables\Western European\update.exe
  • %CommonProgramFiles%\Microsoft Shared\DAO\backup.exe
  • C:\Far\Addons\XLat\backup.exe
  • C:\Far\Addons\Tables\Hebrew\backup.exe
  • %CommonProgramFiles%\Microsoft Shared\backup.exe
  • C:\Far\PlugDoc\Examples\Compare\backup.exe
  • %CommonProgramFiles%\MSSoap\backup.exe
  • %CommonProgramFiles%\Microsoft Shared\DW\1040\backup.exe
  • %CommonProgramFiles%\MSSoap\Binaries\Resources\backup.exe
  • %CommonProgramFiles%\Microsoft Shared\Speech\1033\update.exe
  • %WINDIR%\backup.exe
  • C:\Far\Plugins\backup\backup.exe
  • %CommonProgramFiles%\ODBC\backup.exe
  • %WINDIR%\addins\backup.exe
  • %PROGRAM_FILES%\FireFox\chrome\browser\backup.exe
  • %CommonProgramFiles%\Microsoft Shared\Stationery\backup.exe
  • %PROGRAM_FILES%\FireFox\components\backup.exe
  • C:\Far\PlugDoc\Examples\HelloWorld\backup.exe
  • %PROGRAM_FILES%\Internet Explorer\backup.exe
  • C:\Far\Plugins\calc\backup.exe
  • %CommonProgramFiles%\Microsoft Shared\DW\1033\backup.exe
  • %PROGRAM_FILES%\FireFox\backup.exe
  • C:\Far\PlugDoc\Headers.pas\backup.exe
  • C:\Far\PlugDoc\Examples\Editor\DrawLine\data.exe
  • C:\Far\Plugins\ascii\src\backup.exe
  • C:\Far\PlugDoc\Examples\FARCmds\backup.exe
  • %CommonProgramFiles%\Microsoft Shared\MSInfo\backup.exe
  • %CommonProgramFiles%\Microsoft Shared\DW\1036\backup.exe
  • C:\Far\PlugDoc\Examples\FileCase\backup.exe
  • %CommonProgramFiles%\Microsoft Shared\Speech\backup.exe
  • %CommonProgramFiles%\MSSoap\Binaries\backup.exe
  • C:\Far\PlugDoc\Examples\Editor\EditCase\backup.exe
  • %PROGRAM_FILES%\FireFox\chrome\backup.exe
  • C:\Far\Addons\Tables\Cyrillic\backup.exe
  • %HOMEPATH%\Start Menu\Programs\backup.exe
  • %HOMEPATH%\Start Menu\Programs\Accessories\backup.exe
  • %HOMEPATH%\Start Menu\Programs\Accessories\Accessibility\backup.exe
  • %HOMEPATH%\My Documents\My Music\backup.exe
  • %HOMEPATH%\My Documents\My Pictures\backup.exe
  • %HOMEPATH%\Start Menu\backup.exe
  • %HOMEPATH%\Start Menu\Programs\Accessories\Entertainment\backup.exe
  • %ALLUSERSPROFILE%\Documents\backup.exe
  • %ALLUSERSPROFILE%\Documents\My Music\backup.exe
  • %ALLUSERSPROFILE%\Documents\My Music\My Playlists\backup.exe
  • %HOMEPATH%\Start Menu\Programs\Administrative Tools\System Restore.exe
  • %ALLUSERSPROFILE%\backup.exe
  • %ALLUSERSPROFILE%\Desktop\backup.exe
  • <Current directory>\<Virus name>.dat
  • C:\backup.exe
  • C:\Documents and Settings\backup.exe
  • <Current directory>\backup.exe
  • <Current directory>\temp.zip
  • <Current directory>\P1a02800
  • %HOMEPATH%\update.exe
  • %HOMEPATH%\Favorites\Links\backup.exe
  • %HOMEPATH%\My Documents\backup.exe
  • %HOMEPATH%\My Documents\Downloads\backup.exe
  • %HOMEPATH%\Cookies\backup.exe
  • %HOMEPATH%\Desktop\backup.exe
  • %HOMEPATH%\Favorites\backup.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Music\backup.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\backup.exe
  • C:\Far\Addons\SetUp\backup.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Accessibility\backup.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\backup.exe
  • C:\Far\Addons\Colors\Default Highlighting\backup.exe
  • C:\Far\Addons\Macros\backup.exe
  • C:\Far\Addons\Shell\backup.exe
  • C:\Far\Addons\Tables\Central European\backup.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\System Tools\data.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Administrative Tools\backup.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Communications\backup.exe
  • C:\Far\Addons\Tables\backup.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Accessories\Entertainment\System Restore.exe
  • C:\Far\backup.exe
  • %ALLUSERSPROFILE%\Documents\My Pictures\backup.exe
  • C:\Far\Addons\backup.exe
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\backup.exe
  • <Current directory>\%USERNAME%.zip
  • %ALLUSERSPROFILE%\Documents\My Music\Sample Playlists\000D7521\backup.exe
  • %ALLUSERSPROFILE%\Documents\My Pictures\Sample Pictures\backup.exe
  • %ALLUSERSPROFILE%\Favorites\backup.exe
  • C:\Far\Addons\Colors\Custom Highlighting\backup.exe
  • %ALLUSERSPROFILE%\Start Menu\backup.exe
  • C:\Far\Addons\Archivers\backup.exe
  • %ALLUSERSPROFILE%\Documents\My Videos\backup.exe
  • C:\Far\Addons\Colors\backup.exe
Sets the 'hidden' attribute to the following files:
  • <Current directory>\%USERNAME%.zip
  • <Current directory>\temp.zip
Deletes the following files:
  • <Current directory>\<Virus name>.dat
  • <Current directory>\temp.zip
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: 'ExploreWClass' WindowName: ''
  • ClassName: 'CabinetWClass' WindowName: ''

Curing recommendations

  1. If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space.
  2. If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
Download Dr.Web

Download by serial number

Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

Download Dr.Web

Download by serial number

  1. If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
  2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
    • Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
    • Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
    • Switch off your device and turn it on as normal.

Find out more about Dr.Web for Android