If you use Flash I highly recommend everyone go out and get it.

Interesting reads:

http://news.softpedia.com/news/adobe-patches-flash-zero-day-exploit-used-to-deliver-cerber-and-locky-ransomware-502707.shtml

http://www.reuters.com/article/us-adobe-systems-cyber-ransomware-idUSKCN0X502K