Linux servers and possibly Windows-based machines as well are susceptible to a newly discovered ransomware called B0r0nt0K that encrypts affected data with a base64 algorithm.

Bleeping Computer reported the threat on Sunday after one of its forum visitors published a post about a client whose website web server was infected. The server, which runs on Ubuntu 16.04, had its files, encrypted and renamed with a .rontok extension appended to them.

According to the forum post, the attackers were asking for an exorbitant ransom payment of 20 bitcoins, which on Feb. 25 was worth around $76,000.

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