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Profil

Win32.HLLW.Silka.159

Added to the Dr.Web virus database: 2013-09-25

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run] '7MB1IE9NO90XJ' = '%APPDATA%\33RY9I7WZX.exe'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\run] '7MB1IE9NO90XJ' = '%APPDATA%\33RY9I7WZX.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '7MB1IE9NO90XJ' = '%APPDATA%\33RY9I7WZX.exe'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '7MB1IE9NO90XJ' = '%APPDATA%\33RY9I7WZX.exe'
Modifies file system :
Creates the following files:
  • %TEMP%\33ry9i7wzx.exe.jpg
Moves itself:
  • from <Full path to virus> to %APPDATA%\33RY9I7WZX.exe
Network activity:
Connects to:
  • 'lu#####vefreshers.com':80
TCP:
HTTP GET requests:
  • lu#####vefreshers.com/webcontroller/cmd.php?ke########################
  • lu#####vefreshers.com/webcontroller/fg.php?ke##########
  • lu#####vefreshers.com/webcontroller/alive.php?ke##############################################################################
UDP:
  • DNS ASK lu#####vefreshers.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: '(null)'