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Win32.HLLW.Autoruner2.53594

Added to the Dr.Web virus database: 2019-07-27

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\software\Microsoft\Windows\CurrentVersion\Run] '6f85eedc6196a4445f42e4eb0eeda2f3' = '"%ALLUSERSPROFILE%\googlme.exe" ..'
  • [<HKLM>\software\Microsoft\Windows\CurrentVersion\Run] '6f85eedc6196a4445f42e4eb0eeda2f3' = '"%ALLUSERSPROFILE%\googlme.exe" ..'
Creates or modifies the following files
  • %HOMEPATH%\start menu\programs\startup\6f85eedc6196a4445f42e4eb0eeda2f3.exe
Creates the following files on removable media
  • <Drive name for removable media>:\6f85eedc6196a4445f42e4eb0eeda2f3.exe
  • <Drive name for removable media>:\autorun.inf
Malicious functions
To bypass firewall, removes or modifies the following registry keys
  • [<HKLM>\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%ALLUSERSPROFILE%\googlme.exe' = '%ALLUSERSPROFILE%\googlme.exe:*:...
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 "%ALLUSERSPROFILE%\googlme.exe" "googlme.exe" ENABLE
Modifies file system
Creates the following files
  • %ALLUSERSPROFILE%\googlme.exe
Sets the 'hidden' attribute to the following files
  • <Drive name for removable media>:\6f85eedc6196a4445f42e4eb0eeda2f3.exe
  • <Drive name for removable media>:\autorun.inf
  • %ALLUSERSPROFILE%\googlme.exe
  • %HOMEPATH%\start menu\programs\startup\6f85eedc6196a4445f42e4eb0eeda2f3.exe
Network activity
UDP
  • DNS ASK go####1970.ddns.net
Miscellaneous
Creates and executes the following
  • '%ALLUSERSPROFILE%\googlme.exe'
  • '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%ALLUSERSPROFILE%\googlme.exe" "googlme.exe" ENABLE' (with hidden window)