The exploit kit landscape is rapidly changing, the Angler and Nuclear EK disappeared and overall malicious traffic drops by 96% since April. Angler’s disappearance might be caused by law enforcement activities, including the recent 50 arrests in Russia that were linked to the operations of the Lurk malware. The shift to Neutrino and RIG exploit kits was well underway by the time it was first reported, with Angler traffic dropping off dramatically as early as mid-May, and Nuclears activity has dropped to almost nothing.”]
Source: https://securityaffairs.co/wordpress/48594/malware/exploit-kit-traffic-drop.html