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Win32.HLLW.Autoruner2.16313

Added to the Dr.Web virus database: 2014-07-22

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Mozilla Firefox.exe' = '%APPDATA%\Win\Mozilla Firefox.exe'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Mozilla Firefox.exe' = '%WINDIR%\Mozilla Firefox.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\12996976.exe.lnk
  • <Drive name for removable media>:\75482021.exe
  • <Drive name for removable media>:\12996976.exe
Malicious functions:
Creates and executes the following:
  • '%APPDATA%\Win\Mozilla Firefox.exe'
  • '%WINDIR%\Mozilla Firefox.exe'
Modifies file system :
Creates the following files:
  • %APPDATA%\Win\Mozilla Firefox.exe
  • %TEMP%\melt.txt
  • %WINDIR%\pp.exe
  • %WINDIR%\Mozilla Firefox.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\75482021.exe
  • <Drive name for removable media>:\12996976.exe
Deletes the following files:
  • <Drive name for removable media>:\12996976.exe.lnk
Network activity:
Connects to:
  • '14#.#55.219.103':222
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_traywnd' WindowName: ''
  • ClassName: 'Indicator' WindowName: '(null)'
  • ClassName: 'EDIT' WindowName: '(null)'
  • ClassName: 'Shell_TrayWnd' WindowName: '(null)'

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