Malware
QSnatch
The malware infects QNAP NAS devices, is persisting via various mechanisms and resists cleaning by preventing firmware updates and interfering with QNAP MalwareRemover.
QSnatch is a Linux malware family.
Background
This malware compromises QNAP NAS devices and establishes persistence through several different techniques. It frustrates removal efforts by blocking firmware updates and disrupting QNAP MalwareRemover, and it exfiltrates passwords and hashes from the device.
Source: Malpedia (Fraunhofer FKIE).