Version 3.0 of the RIG exploit kit has been released with new significant improvement. It has already infected more than 1.3 million PC worldwide. Majority of victims are located in Brazil (450,529 infections) and Vietnam (302,705) The majority of victims is infected with the Tofsee spam bot. The number of new infections per day is 27,000 on average, the majority is from the spambot. The developers have chosen CloudFlare to protect the control panel against DDoS attacks.”]
Source: https://securityaffairs.co/wordpress/39089/cyber-crime/rig-exploit-kit-3-0.html