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Win32.HLLW.Autoruner3.2380

Added to the Dr.Web virus database: 2020-06-15

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKLM>\Software\Microsoft\Windows\CurrentVersion\Run] 'HDNA' = '%PROGRAMDATA%\inttemp\csrss.exe'
Creates the following files on removable media
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\user.exe
Modifies file system
Creates the following files
  • %PROGRAMDATA%\inttemp\csrss.exe
  • %PROGRAMDATA%\inttemp\temp\user6-14-2020.1n0d
Sets the 'hidden' attribute to the following files
  • %PROGRAMDATA%\inttemp\csrss.exe
  • <Drive name for removable media>:\user.exe
  • <Drive name for removable media>:\autorun.inf
Network activity
TCP
HTTP GET requests
  • http://wh###smyip.com/automation/n09230945.asp
UDP
  • DNS ASK wh###smyip.com
  • DNS ASK dc####.zapto.org
Miscellaneous
Creates and executes the following
  • '%PROGRAMDATA%\inttemp\csrss.exe'