OldGremlin, one of the few ransomware groups attacking Russian corporate networks, has expanded its toolkit with file-encrypting malware for Linux machines.
OldGremlin, a little-known threat actor that uses its particularly advanced skills to run carefully prepared, sporadic campaigns, has made a comeback last month after a gap of more than one year.
A new ransomware group has been targeting large corporate networks using self-made backdoors and file-encrypting malware for the initial and final stages of the attack.