https://community.avast.com/t/wtf-avast-1600-hours-0600-12-14-updated-its-vdefs-13111900-was-13121201/691463
WTF? Avast! ~1600 hours (-0600) 12/14 updated its Vdefs=13111900! was 13121201 - Avast Mac Security...
Dec 15, 2013 - WTF? Avast! at ~1600 hours (-0600) today Auto-updated its Vdefs=13111900! This was 13121101!! WTF? Please advise: Was this anomalous update, described below,...