Microsoft warns of major WannaCry-like Windows security exploit in Windows 7, XP and server

This attack is the Ramsonware type. Latest Windows versions are not affected. Another important reason to upgrade to Windows 10. Read the article published by The Verge. https://www.theverge.com/2019/5/14/18623565/microsoft-windows-xp-remote-desktop-services-worm-security-patches