New definitions:
====================
Win32.Backdoor.Spammy
Win32.Packed.Black
Updated definitions:
====================
MSIL.TrojanSpy.Agent
Win32.Adware.BHO
Win32.Adware.Cinmus
Win32.Adware.EzuLa
Win32.Adware.NaviPromo
Win32.Adware.SuperJuan
Win32.Adware.TrafficSol
Win32.Adware.Virtumonde
Win32.Backdoor.Agent
Win32.Backdoor.Bifrose
Win32.Backdoor.Bredolab
Win32.Backdoor.Delf
Win32.Backdoor.DsBot
Win32.Backdoor.Harebot
Win32.Backdoor.Hupigon
Win32.Backdoor.IRCBot
Win32.Backdoor.Iroffer
Win32.Backdoor.Nepoe
