Antimalware Engine 1.1.11005.0 was released to customers on 15 Sep 2014
Antimalware Engine 1.1.11005.0 was released to all Windows Defender, Microsoft Security Essentials, Forefront Client Security, Forefront Endpoint Protection, Windows Intune Endpoint Protection, and System Center Endpoint Protection customers on 15 Sep 2014. Signature package 1.185.0.0 is the first that contains this engine.