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BrowserLock

humour

// ==UserScript==
// @name     BrowserLock
// @version  1
// @grant    none
// @description humour
// @match *://*/*
// @namespace https://greasyfork.org/users/675445
// ==/UserScript==
x = 5
while(x = 5)
	alert("YOU HAVE BEEN INFECTED WITH BROWSERLOCK, SORRY FOR THE INCONVIENCE");