It is happened after I updated 1.6 to 1.62 with Steam.
G DATA log:
Real-time protection
File: D:\Jatek\Steam\steamapps\downloading\107410\arma3battleye.exe
Malicious: Gen:Trojan.Heur2.FU.@G1@aiqf3Iri (A Motor)
G DATA INTERNET SECURITY block arma3battleye.exe
G DATA:
Software version: 25.1.0.12
Virus signature: (20160711_1044) 2016-07-11