The provider of network and memory result suppose it experience ailment from user who were taint with the malware on their computing device and , after investigate the onrush , encounter that the settle down causa of the transmission was the utilization of miserable watchword on cyberspace - touch base device . QNAP state that the cybercriminals behind dovecat mount Bitcoin mineworker , without user license , on the septic NAS computer . The constitution set up out in a November 2020 knowledge Base article that consumer of any NAS modelling serial will happen possible via media by trenchant for a dovecat mechanism escape on their data processor . At the clock , the companionship as well counsel user to divulge all discover transmission and to assure that the newfangled NAS firmware and Malware Remover variant are melt . The arrangement too well-advised substance abuser this week to elevate the QTS in operation organisation to the in style rendering , put in and fulfill Security Advisor with Intermediate Security Policy ( or high-pitched ) , establish a firewall , and set aside Network Access Control so that history are plug from assault by animate being violence . In gain , drug user can ensure that clear-cut executive key fruit are lot on their computing machine and that , along with all former unused utility program and covering , all SSH and Telnet services that are not in surgery are disabled . QNAP also send word substance abuser that default option port wine bit ( such as 80 , 443 , 8080 , and 8081 ) can be avoid and enable them to addition the protective covering of their NAS devices by dramatize best rehearse that have already been detailed by the constitution . These bodily process will boost further the security system of the NAS and stimulate it to a greater extent unmanageable for dovecat to approach the QNAP NAS , ” the companion tell , impart that it concenter on train a result that will help user take from the infected device the dovecat malware . ”