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Win32.HLLW.Autoruner3.441

Added to the Dr.Web virus database: 2019-10-19

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKCU>\software\microsoft\windows\currentversion\run] 'Windows Defender' = '%APPDATA%\oDkVaEdVqQoIuQmVlCxKrXsNdRaRxInRpIaIrCjToNgXlSfAqGyKeVtHmSwObXnNqUqCsPjM.exe'
Creates the following files on removable media
  • <Drive name for removable media>:\jlavz.exe
  • <Drive name for removable media>:\join.lnk
  • <Drive name for removable media>:\000814251_video_01.lnk
  • <Drive name for removable media>:\archer.lnk
Modifies file system
Creates the following files
  • %APPDATA%\odkvaedvqqoiuqmvlcxkrxsndrarxinrpiaircjtongxlsfaqgykevthmswobxnnquqcspjm.exe
  • %APPDATA%\microsoft\windows\start menu\programsexplorer.exe
  • C:\<File name>.exe
Sets the 'hidden' attribute to the following files
  • <Drive name for removable media>:\jlavz.exe
Substitutes the following executable files
  • %HOMEPATH%\Desktop\calc.exe
  • %HOMEPATH%\Desktop\jre-7u75-windows-i586-iftw.exe
  • %HOMEPATH%\Desktop\notepad.exe
  • %HOMEPATH%\Desktop\skypesetup.exe
  • %HOMEPATH%\Desktop\utorrent.exe
  • %HOMEPATH%\Desktop\winmine.exe
Network activity
UDP
  • DNS ASK dl.##opbox.com
  • DNS ASK au######on.whatismyip.com