Mar 25

Overview

 

On February 22, 2019, D-Link was made aware of the Cr1ptT0r Ransomware targeting some D-Link Network Attached Storage (NAS).

 

Public post

 

Bleeping Computer : HERE

 

Description of Ransomware Security Issue:

In a Ransomware attack,the Ransomware encrypt stored information and then demands payment to decrypt the information. At this time, based on the current information available to us, the antivirus companies have not yet created a new tool  to decrypt information attacked by the Cr1ptT0r Ransomware (or Ransomware family). To recover the encrypted information, users will need to retrieve the data from their previous backup.

The models in the table below are potentially at risk. For owners of these products, we urge you to take the following actions promptly:

 

Model H/W Version Latest F/W Version Actions to take
DNS-320 Ax 2.05 Disable the Internet connection to NAS
DNS-320 Bx 1.02 Disable the Internet connection to NAS
DNS-325 Ax 1.05 Disable the Internet connection to NAS
DNS-320L Ax 1.11 Update to latest firmware version
DNS-327L Ax 1.10 Update to latest firmware version

Ransomware is a virus that attacks a device. Once the device is infected by the virus, firmware updates will not restore your data.  Firmware updates are often directed  to address security vulnerabilities from internet attacks in D-Link devices. Given new tools were created by anti-virus companies to address the prior instances of ransomware attacks, there may be decrypting tools developed in the future. Until that time, Tto better protect your devices from Internet viruses, malware and ransomware:

1. Do not connect these devices directly to the Internet and/or port-forward services directly from the Internet.

  1. Keep device firmware up-to-date.

  1. Any computer accessing information on these devices should have appropriate anti-virus protection and malware protection enabled

  1. Regular back-ups of stored information on these devices should occur in case a disaster recovery is needed.

For DNS-320 Ax/Bx users, a security patch firmware version will be available soon.  Until it is available, please disable the port forwarding service and DMZ setting on your router to prevent direct access by the ransomware.

D-Link DNS-325 has passed its end of service date as displayed on its product support page. Once a product is end of service, it is no longer supported by D-Link through customer support and it does not receive software/firmware updates. For these models, please remove the Internet access of NAS on your router by disabling the port forwarding and DMZ setting.

Please check back here or on the specific product page for the most updated information.

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Nov 23

Remote Backups allows you to back up your device to another ShareCenter Pulse or Linux Server or vice versa from a remote ShareCenter Pulse or Linux Server to your D-Link DNS-320 device. Click the Create button in the remote backups list to start a wizard where you can configure the Remote Backup functionality.

Note: If you are going to backup from this NAS through the internet as the source content of the backup setting, then make sure that the Remote Backup Server is checked and set with a password. If the ShareCenterTM is connected to a router, you will need to configure the router to forward port port 22, 873 to the IP address of this ShareCenterTM.

Enable remote backup service:

Check this box to enable the remote backup server functionality to that a remote NAS or Linux.

Note: If you are not using the Remote Backup functionality leave this box unchecked so that your device performance will not be affected by the additional overhead used by this process.

Password: Enter a password that the remote client will use.

Remote Backups list: This is the list of remote backup jobs built by pressing the Create button above the list to
configure each job.

Create: Click the Create button to build a new remote backup job.

Modify: Click to make changes to your existing Remote Backup jobs in the Remote Backup list. You must select the remote backup job first and then click the Modify button.

Delete: To remove a Remote Backup job select the job in the list and then click the Delete button.

Remote Backups – Create wizard

When you click the Create Button above the Remote Backup list this wizard will launch allowing you to configure a new Remote Backup job.

Wecome: Displays the steps of the wizard.

Service Type: NAS to NAS: Backup from the local NAS to a remote NAS or vice versa.

NAS to Linux: Backup from the local NAS to a Linux file system or vice versa.

Local to Remote: Sets the backup source as the local NAS and the target destination for the backup files as the remote NAS or Linux file system.

Remote To Local: Sets the backup source as the remote NAS or Linux file system and the target destination for the backup files as the local NAS.

Local Settings: Task (Name): The name used to refer to the backup job which will be listed later in the Remote Backup list.

Folder Path: Select a local network share folder or file as the target or source for the backup job.

Remote Settings:

Remote IP: The backup process uses Rsync protocol and needs to know the IP address of the destination source or target device for the backup. Input the IP of the remote NAS or Linux file system.

Enable Encryption: Checking this box will enable SSH encryption of the files that are transferred (backed up) over the network between the local and remote devices.

Ignore existing file(s): Checking this box prevents the backup process from writing over any files in the target file system that are not part of the backup files or folders. Therefore any existing files in the target system are preserved.

Incremental backup support Num (#): Checking this box provides multiple backup-capability at scheduled times. The first backup in an incremental series captures all the files for backup. Subsequent backups are incremental in that only the files and the folders that have changed in the backup source since the last incremental backup will need to be backed up. Each incremental backup builds a complete snapshot of the backup source however only the initial backup contains all the original files and folders. The subsequent backups in the incremental series contain new files and folders plus the links to the first incremental backup.

Remote Settings:

Remote Path: Using the drop-down menu, select the file system (folder) path to the remote target or source system for backup.

Schedule Settings:

Manual: Check either Yes or No selection below to start the backup (yes) immediately on completion of the wizard or (no) manually start the backup from the Remote Backup list.

Once – Select this option to run the Remote Backup once at a specific date and time set.

Scheduled: Select this option to set the backup to occur daily, weekly, or monthly per a specific schedule.

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Nov 21

The DNS-320 supports on option where the user can enter a USB storage medium in to the USB port and with a click of a button automatically copy the contents of the USB storage medium into a folder on the D-Link DNS-320 device.

Step 1:

Insert a USB storage device into the USB port, located on the front panel of the device. The USB Light on the front panel will start to flicker. Once the light is on solid, then the USB storage is ready for use.


Step 2:

To copy the contents of the USB storage to a folder on the device, press and hold the USB Copy/Unmount Button button for 1-3 seconds. The device will create a new folder in the Volume 1 folder and will copy all the files from the USB storage to this folder.
Step 3:

To unmount the USB storage device after the copy is complete, press and hold the USB Copy/Unmount Button button for 5 seconds. When the USB light has switched off, then the USB storage un-mounted successfully and is ready to be removed.

To check whether the USB storage device is connected successfully, the user can navigate to the System Info menu of the System Status icon in the Management Tab of the Web GUI of the device and view the USB Information section.

Note: It is a very good practice to un-mount an USB storage device before removing it from a USB port.

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Nov 21

The D-Link DNS-320 Network Storage USB Print Server features a built-in USB print server, giving users the ability to share a printer on their local network. Connect a USB printer to the USB port on the back of the device. It is important to ensure that any of the printer manufacturer’s drivers are already installed or available on any computer you want to print from.

Note: Only the print function is supported. The device does not support the copy and scan functions of Multi-Function Printers.

To add a printer, connect your printer via USB cable to the USB port of your device:

The printer should appear in your in the System Info menu of the Status icon.

1.Connect to your device with Samba and then double-click the lp icon.

2.The Windows® Add Printer Wizard will launch:

Select the printer driver from the installed Manufacturer list or use the Have Disk button to browse for the printer driver file.

3.Once you have selected the proper driver as shown in the browse list then click OK to install the printer.

4.The printer is now installed and the printer queue will appear.

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Nov 21

Here you can view various system information some of which is static and others dynamic.

LAN Information:
Displays the local network settings of your device.

Device Information:
Displays the workgroup, name, description, current temperature, packet counts, and system uptime.

Volume Information:
Displays the hard drive information, including the disk mode, total size, used and remaining drive space.

D-Link DNS-320 Network Storage Status Information

Hard Drive Info

This section will display a summary of the hard drive(s) currently installed. The summary will include information such as the hard drive manufacturer,model, serial number, temperature, total capacity size, and status. The “Status” of the hard drive will display the health of the hard drive. If your hard drive is healthy, the status will display “Normal”. If your hard drive is not healthy, the status will display “Abnormal”. At any time, if you wish to view the S.M.A.R.T table of the hard drive, you can press the “Normal/Abnormal” button. After pressing the button a table appears with the S.M.A.R.T. data below the table of the Hard Drives installed.

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