QNAP warns customers of a brand new crypto-miner named Dovecat infecting their units | ZDNet

Picture: QNAP

Taiwanese {hardware} vendor QNAP has printed a safety advisory right this moment warning clients of a brand new malware pressure named Dovecat that’s presently concentrating on its line of network-attached storage (NAS) units to abuse native assets and mine cryptocurrency behind customers’ backs.

The corporate mentioned the malware is presently spreading by connecting to QNAP NAS methods left uncovered on-line utilizing weak passwords.

At the moment’s security advisory comes after the corporate started receiving studies from its customers last year about two unknown processes —named dovecat [12] and dedpma— that had been operating continuous and consuming the machine’s reminiscence.


Matthew Ruffell, a Canonical software program engineer and the founding father of Dapper Linux, analyzed the malware final 12 months when it discovered it on an Ubuntu system.

In keeping with his analysis, the malware was able to infecting any Linux system however appeared to have been particularly designed for the interior construction of QNAP NAS units.

The usage of the “dovecat” course of title wasn’t unintentional both, because the malware tried to go as Dovecot, a respectable e-mail daemon that ships with the QNAP firmware and lots of Linux distros.

However as Ruffell identified, Dovecat assaults had been indiscriminate. Comparable infections had been additionally reported by users of Synology NAS devices, the place the malware additionally appeared to have managed to run with out issues.

Because the an infection vector was linked to weak passwords, to stop infections with this new risk, QNAP instructed customers to:

  • Use stronger admin passwords.
  • Use stronger passwords for database directors.
  • Disable SSH and Telnet companies if not in use.
  • Disable unused companies and apps.
  • Keep away from utilizing default port numbers (80, 443, 8080 and 8081).
  • Replace QTS to the newest model.
  • Set up the newest model of Malware Remover.
  • Set up Safety Counselor and run with Intermediate Safety Coverage (or above).
  • Set up a firewall.
  • Allow Community Entry Safety to guard accounts from brute power assaults.
  • Comply with best practices for enhancing NAS safety.

However within the grand scheme of issues, Dovecat isn’t the primary malware pressure to focus on QNAP units. QNAP storage methods had been additionally beforehand focused by the Muhstik ransomware, the QSnatch malware, the ec0raix ransomware, and the AgeLocker ransomware.

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