Of the top 10 vulnerabilities incorporated by exploit kits in 2016, six of them (rather unsurprisingly) affected Adobe Flash Player. The vulnerability was also noted as being used by Pawn Storm (APT28, Fancy Bear), a Russian government-backed espionage group. In total, six vulnerabilities appeared in the top ten list. If you can, you should install a reputable anti-virus solution, and install an ad-blocker. Heres a guide that shows you how to uninstall Adobe Flash.”]
Source: https://grahamcluley.com/adobe-flash-responsible-six-top-10-bugs-used-exploit-kits-2016/