A new ransomware attack at least as big as WannaCry is attacking computers throughout the world today (28 June 2017). The result is work has stopped in many companies and government organisations. Symantec and other claim the attack is again based on based on the NSA's Eternal Blue exploit. It is not possible to buy recovery decryption  keys  but it is possible (if one is quick!) to recover from the infection - see https://www.itnews.com.au/news/what-we-know-so-far-about-the-petyagoldeneye-ransomware-466707?eid=3&edate=20170628&utm_source=20170628_PM&utm_medium=newsletter&utm_campaign=daily_newsletter

Source and more details from Reuters/IT News: