The eCh0raix ransomware is ransomware used in a targeted attack, named after a string found in the malware. It doesn’t appear to be intended for mass distribution. The examples with a hardcoded public key appear to have been compiled for each target individually. QNAP NAS could allow a remote attacker to bypass security restrictions, caused by an improper authorization vulnerability when running HBS 3 (Hybrid Backup Sync). An attacker could exploit this vulnerability to log in to a device.