Mac app ‘Calendar 2’ mined cryptocurrency by default, removed from Mac App Store. By AppleInsider Staff Monday, March 12, 2018, 05:24 pm PT (08:24 pm ET). Popular Mac app “Calendar 2” recently added a “payment” option that uses customer computers to mine the cryptocurrency Monero in …

Source: Mac app ‘Calendar 2’ mined cryptocurrency by default, removed from Mac App Store