![](https://www.cybersecurityplan.org/wp-content/uploads/2019/11/calum-ransomware-570x350.jpg)
Calum ransomware – a Phobos family member that appends the .Calum extension to each locked component and demands a BTC ransom Calum virus – ransomware that encrypts files and demands money in exchange for the decryption software Calum ransomware is one of the newest versions belonging to Phobos ransomware. The […]