Admittedly, there is a gold rush to mine cryptocurrency and the fact that Bitcoin hit its highest value yet only serves to add more fuel to this growing craze. Miners have resorted to throwing ethics out of the Windows and it seems as long as the end justifies the means, they will even hack into your own device to help them mine these cryptocurrencies.
Unsuspecting users who innocently visit certain sites online get codes stealthily implanted locally on their system, which then harnesses their CPU processing power to help hackers mine cryptocurrencies. A number of sites that have been reported to be doing this include Pirate Bay among others.
Read more here:: Google Play Store too is not spared from stealthy Cryptomining Codes