McAfee Labs finds that crypto jacking was up 29% and ransomware up 118% in Q1 of 2019
Source: https://cointelegraph.com/news/report-cryptojacking-campaigns-up-by-29-ransomware-attacks-up-118
Report: Cryptojacking Campaigns Up by 29%, Ransomware Attacks Up 118%
August 30, 2019
CoinTelegraph