Cryptojacking

[2][6] Like most malicious attacks on the computing public, the motive is profit, but unlike other threats, it is designed to remain completely hidden from the user.

[15] In April 2013, electronic sports organization E-Sports Entertainment was accused of hijacking 14,000 computers to mine bitcoins; the company later settled the case with the State of New Jersey.

Europe hosted an ad containing bitcoin mining malware that infected an estimated two million computers using a Java vulnerability.

[22] Ars Technica reported in January 2018 that YouTube advertisements contained JavaScript code that mined the cryptocurrency Monero.

A potential solution is a network-based approach called Crypto-Aegis, which uses machine learning to detect cryptocurrency activities in network traffic, even when encrypted or mixed with non-malicious data.