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Profil

Win32.HLLW.Autoruner2.44184

Added to the Dr.Web virus database: 2018-08-02

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '2e023b67287da432c4558fe547164425' = '"%TEMP%\Adobe Flash Player.exe" ..'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '2e023b67287da432c4558fe547164425' = '"%TEMP%\Adobe Flash Player.exe" ..'
Creates or modifies the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\2e023b67287da432c4558fe547164425.exe
Creates the following files on removable media:
  • <Drive name for removable media>:\2e023b67287da432c4558fe547164425.exe
  • <Drive name for removable media>:\autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\Adobe Flash Player.exe' = '%TEMP%\Adobe Flash Player.exe:*:Enab...
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
Executes the following:
  • '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\Adobe Flash Player.exe" "Adobe Flash Player.exe" ENABLE
Modifies file system:
Creates the following files:
  • %TEMP%\Adobe Flash Player.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\2e023b67287da432c4558fe547164425.exe
  • <Drive name for removable media>:\autorun.inf
  • %TEMP%\Adobe Flash Player.exe
  • %HOMEPATH%\Start Menu\Programs\Startup\2e023b67287da432c4558fe547164425.exe
Network activity:
Connects to:
  • 'cn####t.dynv6.net':80
  • 'cn###ot.duia.ro':80
  • 'cn###ot.zzzz.io':80
UDP:
  • DNS ASK cn####t.dynv6.net
  • DNS ASK cn###ot.duia.ro
  • DNS ASK cn###ot.zzzz.io
Miscellaneous:
Creates and executes the following:
  • '%TEMP%\Adobe Flash Player.exe'