Browser lockers (aka browlocks) are a class of online threats that prevent the victim from using the browser and demand a ransom. A locker is a fake page that dupes the user, under a fictitious pretext (loss of data, legal liability, etc.), into making a call or a money transfer, or giving out payment details. In Q4 2020, more than 55,000 users encountered them in the U.S. In this post, we examine two families of lockers that mimic government websites.”]
Source: https://securelist.com/browser-lockers-extortion-disguised-as-a-fine/101735/