The Check Point Research Teams latest Global Threat Impact Index saw a surge in the usage of Exploit Kits during March, following a steady decline in usage since a high point in May 2016. The Terror Exploit Kit also increased dramatically in usage in March, and was just one place from making it into the monthly top 10 list. The most common malware in March were HackerDefender and Rig EK in first and second place, each impacting 5% of organizations worldwide, followed by Conficker and Cryptowall.”]
Source: https://blog.checkpoint.com/2017/04/13/marchs-wanted-malware-list-exploit-kits-rise-popularity/