Well, this used NW.js: http://www.computerworld.com/article/3018972/security/ransom32-first-of-its-kind-javascript-based-ransomware-spotted-in-the-wild.html htt

Well, this used NW.js: http://www.computerworld.com/article/3018972/security/ransom32-first-of-its-kind-javascript-based-ransomware-spotted-in-the-wild.html http://www.computerworld.com/article/3018972/security/ransom... I vaguely recall something that used Electron, but I can't find it. It was 30MB+.