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Home > Cybersecurity > Qlocker ransomware once again targeting QNAP NAS devices

Qlocker ransomware once again targeting QNAP NAS devices

The notorious Qlocker ransomware is once again targeting QNAP Network Attached Storage devices, started on January 6.


Erdem Yasar Erdem Yasar
January 17, 2022
2 min read
Qlocker ransomware once again targeting QNAP NAS devices

Qlocker, ransomware that targets QNAP NAS devices worldwide, is attacking again. The ransomware was exploiting the CVE-2021-28799, a hard-coded credentials vulnerability found in the HBS 3 Hybrid Backup Sync app. The first ransomware campaign started on April 19 of 2021. Qlocker moves the files into a 7-zip archive, which is protected by a password if the breach is successful.

Targeting all networking devices

Qlocker ransomware started attacking devices on January 6 of 2022 again. The notorious ransomware leaves a note which is named “!!!READ_ME.txt” on compromised devices. The note leads the victim to a Tor site that informs the victim how to pay the ransom to regain access to files. The ransom demand of the new ransomware campaign ranges between 0.02 and 0.03 bitcoins.

Users can take a look at QNAP’s statement about Qlocker from last year to protect themselves from ransomware. QNAP also published a product security statement about ransomware and brute-force attacks widely targeting all networking devices. QNAP urged all QNAP NAS users to follow the security settings to ensure the security of QNAP networking devices. These settings are:

  • Disable the Port Forwarding function of the router: Go to the management interface of your router, check the Virtual Server, NAT, or Port Forwarding settings, and disable the port forwarding setting of the NAS management service port (port 8080 and 443 by default).
  • Disable the UPnP function of the QNAP NAS: Go to myQNAPcloud on the QTS menu, click the “Auto Router Configuration”, and unselect “Enable UPnP Port forwarding”.

See more Cybersecurity News


Tags: QNAP
Erdem Yasar

Erdem Yasar

Erdem Yasar is a news editor at Cloud7 News. Erdem started his career by writing video game reviews in 2007 for PC World magazine while he was studying computer engineering. In the following years, he focused on software development with various programming languages. After his graduation, he continued to work as an editor for several major tech-related websites and magazines. During the 2010s, Erdem Yasar shifted his focus to cloud computing, hosting, and data centers as they were becoming more popular topics in the tech industry. Erdem Yasar also worked with various industry-leading tech companies as a content creator by writing blog posts and other articles. Prior to his role at Cloud7 News, Erdem was the managing editor of T3 Magazine.

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