Cryptominers fighting among Themselves for a Share of Your PC. Unlike ransomware, the user never knows that a program is running alongside his system that is minting digital currency. Ransomware is not the problem here, the problem is that the growth of attackers targeting innocent users PCs, web browsers, and server that it is uncommon for a cryptomining code. Such attackers are greedy and they tend to extract the maximum from the CPU, putting undue pressure on the CPU. It reminds me of the early days of malware when viruses like Den Zuk and Klez would attempt to remove their rivals.”]
Source: https://hackercombat.com/cryptominers-fighting-among-themselves-for-a-share-of-your-pc/