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Submission + - Chrome Extension Embeds In-Browser Cryptocurrency Miner That Drains Your CPU (bleepingcomputer.com)

An anonymous reader writes: The authors of SafeBrowse, a Chrome extension with more than 140,000 users, have embedded a JavaScript library in the extension's code that mines for the Monero cryptocurrency using users' computers and without getting their consent. The additional code drives CPU usage through the roof, making users computers sluggish and hard to use.

Looking at the SafeBrowse extension's source code, anyone can easily spot that its authors embedded the Coinhive JavaScript Miner, an in-browser implementation of the CryptoNight mining algorithm used by CryptoNote-based currencies, such as Monero, Dashcoin, DarkNetCoin, and others. This is the same technology that The Pirate Bay experimented as an alternative to showing ads on its site.

The extension's author claims he was "hacked" and the code added without his knowledge. Because of the attention the Coinhive JavaScript Miner got over the weekend, many expect it to become a favorite tool for all shady extension developers looking to make a quick buck off their users.

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Chrome Extension Embeds In-Browser Cryptocurrency Miner That Drains Your CPU

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