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September 15, 2017 12:00 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/iy6LHi6384Q/first-ever-malvertising-campaign-uses-javascript-to-mine-cryptocurrencies-in-your-browser
First Ever Malvertising Campaign Uses JavaScript To Mine Cryptocurrencies In Your Browser
An anonymous reader writes from a report via Bleeping Computer: Malware authors are using JavaScript code delivered via malvertising campaigns to mine different cryptocurrencies inside people's browsers (mostly Monero), without their knowledge. The way crooks pulled this off was by using an online advertising company that allows them to deploy ads with custom JavaScript code. The JavaScript code is a modified version of MineCrunch (also known as Web Miner), a script released in 2014 that can mine cryptocurrencies using JavaScript code executed inside the browser. Cryptocurrency mining operations are notoriously resource-intensive and tend to slow down a user's computer. To avoid raising suspicion, crooks delivered malicious ads mainly on video streaming and browser-based gaming sites (currently mostly Ukrainian and Russian sites). Both types of sites use lots of resources, and users wouldn't get suspicious when their computer slowed down while accessing the site. Furthermore, users tend to linger more on browser games and video streaming services, allowing the mining script to do its job and generate profits for the crooks.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/iy6LHi6384Q/first-ever-malvertising-campaign-uses-javascript-to-mine-cryptocurrencies-in-your-browser
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