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Win32.HLLW.Autoruner2.30207

Added to the Dr.Web virus database: 2017-11-13

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'WordPress' = 'wscript.exe //B "%APPDATA%\WordPress.vbs"'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'WordPress' = 'wscript.exe //B "%APPDATA%\WordPress.vbs"'
Creates or modifies the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\WordPress.vbs
Creates the following files on removable media:
  • <Drive name for removable media>:\WordPress.vbs
Malicious functions:
Creates and executes the following:
  • '<SYSTEM32>\wscript.exe' //B "%APPDATA%\WordPress.vbs"
  • '<SYSTEM32>\wscript.exe' "%TEMP%\WordPress.vbs"
Executes the following:
  • '<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen %TEMP%\zerif-pro.jpg
  • '<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen %TEMP%\metro-wordpress-themes.jpg
  • '<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen %TEMP%\2.png
Modifies file system:
Creates the following files:
  • %TEMP%\Requirements.docx
  • %TEMP%\WordPress.vbs
  • %APPDATA%\WordPress.vbs
  • %TEMP%\2.png
  • %TEMP%\metro-wordpress-themes.jpg
  • %TEMP%\zerif-pro.jpg
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\WordPress.vbs
Network activity:
Connects to:
  • 'ou######mpany2.hopto.org':1001
  • 'localhost':1037
UDP:
  • DNS ASK ou######mpany2.hopto.org
Miscellaneous:
Searches for the following windows:
  • ClassName: 'ShImgVw:CPreviewWnd' WindowName: ''