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Win32.HLLW.Autoruner2.52644

Added to the Dr.Web virus database: 2019-07-18

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'babe8364d0b44de2ea6e4bcccd70281e' = '"%TEMP%\server.exe" ..'
  • [<HKLM>\Software\Microsoft\Windows\CurrentVersion\Run] 'babe8364d0b44de2ea6e4bcccd70281e' = '"%TEMP%\server.exe" ..'
Creates or modifies the following files
  • %HOMEPATH%\start menu\programs\startup\babe8364d0b44de2ea6e4bcccd70281e.exe
Malicious functions
To bypass firewall, removes or modifies the following registry keys
  • [<HKLM>\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\server.exe' = '%TEMP%\server.exe:*:Enabled:server.exe'
Executes the following
  • '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\server.exe" "server.exe" ENABLE
Modifies file system
Creates the following files
  • %TEMP%\server.exe
Network activity
Connects to
  • 'localhost':5553
Miscellaneous
Creates and executes the following
  • '%TEMP%\server.exe'
  • '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\server.exe" "server.exe" ENABLE' (with hidden window)

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