ThreatExpert's Statistics for Win32/Koobface.worm.38912.DD [AhnLab]:

Win32/Koobface.worm.38912.DD [AhnLab] is also known as:

Threat Alias	Number of Incidents
Mal/KoobHeur-A [Sophos]	2
W32.Koobface.D [Symantec]	2
Net-Worm.Koobface [PC Tools]	1
Net-Worm.Win32.Koobface.cma [Kaspersky Lab]	1

Win32/Koobface.worm.38912.DD [AhnLab] is known to be created as:

%Windir%\freddy75.exe

Note: %Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.