Malware
ExByte
ExByte is a custom data exfiltration tool and infostealer observed being used during BlackByte ransomware attacks.
ExByte is a Windows malware family.
Background
ExByte is a bespoke information stealer and data exfiltration utility that has been seen deployed in BlackByte ransomware intrusions.
Source: Malpedia (Fraunhofer FKIE).