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Win32.HLLW.Autoruner2.40799

Added to the Dr.Web virus database: 2018-06-25

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'GTF51DZLHD' = '"%TEMP%\V-.JS"'
Creates or modifies the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\V-.JS
Creates the following files on removable media:
  • <Drive name for removable media>:\V-.JS
Modifies file system:
Creates the following files:
  • %TEMP%\V-.JS
  • %TEMP%\Folder Size 2.6.msi
  • %TEMP%\21c58.msi
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\V-.JS
Deletes the following files:
  • %TEMP%\21c58.msi
Miscellaneous:
Creates and executes the following:
  • '<SYSTEM32>\wscript.exe' "%TEMP%\V-.JS"
Executes the following:
  • '<SYSTEM32>\msiexec.exe' /i "%TEMP%\Folder Size 2.6.msi"
  • '<SYSTEM32>\msiexec.exe' /V
  • '<SYSTEM32>\schtasks.exe' /create /sc minute /mo 30 /tn Skype /tr "%TEMP%\V-.JS