Symantec has seen an increase in threats and malware that mine cryptocurrencies such as Bitcoin, Monero, and other coins, without your knowledge or consent (i.e. cryptojacking).
The creators and distributors of these threats use commonly-available mining software to take advantage of someone else's computing resources (CPU, GPU, RAM, network bandwidth, and power) to generate cryptocurrency. This mining-related activity can cause unnecessary wear on your hardware, increase network activity, increase costs, and impact user productivity.
High CPU and/or GPU usage
Crashes or restarts
Slow response times
Unusual network activity (e.g. connections to mining-related websites or IP addresses.