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ThreatExpert's Statistics for Net-Worm.Win32.Koobface.bgr [Kaspersky Lab]:

Net-Worm.Win32.Koobface.bgr [Kaspersky Lab] is also known as:
Threat AliasNumber of Incidents
Mal/KoobHeur-A [Sophos]2
Worm.Win32.Koobface [Ikarus]2
Win32/Koobface.worm.16384.BD [AhnLab]1

Net-Worm.Win32.Koobface.bgr [Kaspersky Lab] is known to be created as:
%Windir%\ld12.exe
Note: %Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.