Malware
Okrum
a new, previously unknown backdoor that we named Okrum.
Okrum is a Windows malware family operated by Mirage.
Background
Okrum is a backdoor that had not been documented prior to its discovery. The operators behind it concentrated on the same set of Slovakian victims that the Ketrican 2015 backdoors had earlier gone after.
Source: Malpedia (Fraunhofer FKIE).