Antimalware Engine 1.1.7604.0 was released to customers on 16 Aug 2011

Antimalware Engine 1.1.7604.0 is released to all Microsoft Security Essentials and Forefront Client Security, Forefront Endpoint Protection, Windows Intune Endpoint Protection customers on 16 August 2011. Signature package 1.111.35.0 is the first that contains this engine.