Massive Qlocker ransomware attack uses 7zip to encrypt QNAP devices
https://www.bleepingcomputer.com/news/security/massive-qlocker-ransomware-attack-uses-7zip-to-encrypt-qnap-devices/

[RANSOMWARE] 4/20/2021 - QLOCKER
https://forum.qnap.com/viewtopic.php?f=45&;t=160849&sid=8223b1531d52b41ffcd0f23b148495e8