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Win32.HLLW.Autoruner2.28403

Added to the Dr.Web virus database: 2017-05-17

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'msn' = '%ALLUSERSPROFILE%\Application Data\csres.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\Autorun.inf
  • <Drive name for removable media>:\videoplayback01.lnk
Malicious functions:
Executes the following:
  • '<SYSTEM32>\cmd.exe' /c rd %temp%\ /s /q
Modifies file system:
Creates the following files:
  • %ALLUSERSPROFILE%\Application Data\Autorun.inf
  • %ALLUSERSPROFILE%\Application Data\NKL\1732928.txt.lok
  • %ALLUSERSPROFILE%\Application Data\NKL\1732928.txt
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\Autorun.inf
  • %ALLUSERSPROFILE%\Application Data\Autorun.inf
Deletes the following files:
  • %ALLUSERSPROFILE%\Application Data\NKL\1732928.txt.lok