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Dian ransomware virus. How to remove? (Uninstall guide)

removal by Gabriel E. Hall - - | Type: Ransomware
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Dian ransomware seeks to encode your data

The screenshot of the original DCry ransom note

Dian virus is the new variation of DCry ransomware which emerged imitating the notorious WannaCry malware. At the moment, there are three versions released which append .dcry, .qwqd or .dian file extension. Developers recently published DCRy 2.0 version as well.

Luckily, IT security specialist Michael Gillespie created DCry decrypter[1]. At the moment, it decodes the first two mentioned versions, but it may soon become useful in dealing with this variation soon.

The original version drops its HOW_TO_DECRYPT.txt version file on the system. It includes scarce details informing victims that their files are encoded. In order to decode them, they need to contact the perpetrators via the indicated bbqb@protonmail.com. Speaking of Dian malware, it presents the text file with the same title.

In this case, it mentions that the data has been encrypted with AES-256 algorithm. In order to decode the files, victims should contact the felons via Inq@protonmail.com. The message also includes a link to a secret onion site.

It supposedly includes the decrypter. Though the developers say that victims can test the tool, the web page opens up with the ID bar and sign up options. It is not recommended to use the utility. It is not recommended to follow the demands as the decrypter is already released. Before you use remove Dian virus completely. Reimage or Malwarebytes Anti Malware will come in handy in this process.

Imitating predecessors

DCry malware happens to be only one sample of numerous ransomware supposedly having relation to the former malware. Let us briefly remind that the original WannaCry managed to wreak havoc as it made use of EternalBlue vulnerability and infected systems with weak SMB protocols.

Its supposedly new versions such as CryForMe or DCry luckily do not possess such complexity. As the authors seem to have been really engaged in the ransomware market and release new versions once in two weeks, it is necessary to be vigilant. Make sure you perform Dian malware removal.

Distribution campaign remains obscure

While some more exquisite crypto-viruses are delivered with the assistance of botnets[2] and exploit kits, less complex threats use spam emails. Note that Dian hijack may occur if you carelessly open the attachment supposedly sent by an official institution. Do not rush open the attachment without double-checking the identity of the sender.

In addition, since Dian ransomware may attempt to assault your Windows as Trojan.Ransom.DCry or Gen:Variant.DCry.1, make sure your system is protected. Update your security applications regularly. Lastly, avoid clicking on links in the websites overcrowded with ads and fake download buttons. You should be wary of corrupted browser extensions.

Eliminate Dian ransomware

Once you notice your data inaccessible, remove Dian virus automatically. Note that manual attempts might turn out futile unless you are a programmer. In case you encounter any difficulties completing the procedure, reboot the PC in Safe Mode.

After Dian ransomware removal, take a look at the alternative decryption solutions or wait until the official decrypter will be updated. Let us warn you not to use the one promoted by the perpetrators. Not only US users, but for instance, Estonian users[3] should be vigilant not to encounter Dian hijack.

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What to do if failed?
If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to uninstall Dian ransomware virus. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
More information about this program can be found in Reimage review.
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Manual Dian virus Removal Guide:

Remove Dian using Safe Mode with Networking

Safe Mode will provide access to vital system functions. In other words, this mode will help you evade the malware interruption in case the virus tries to prevent you eliminating it. You might also want to change the name of the executable file of an anti-spyware tool in case the malware tries to block the toool.

  • Step 1: Reboot your computer to Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove Dian

    Log in to your infected account and start the browser. Download Reimage or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete Dian removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove Dian using System Restore

  • Step 1: Reboot your computer to Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of Dian. After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with Reimage and make sure that Dian removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove Dian from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by 2-spyware.com security experts.

If your files are encrypted by Dian, you can use several methods to restore them:

Data Recovery Pro option

You can use this tool for restoring corrupted or damaged files.

How useful is ShadowExplorer?

Unless ransomware deletes shadow volume copies in advance, you might find this tool useful. It uses these copies to create the copies of the original affected files. DCry ransomware is not known to exhibit such functionality.

  • Download Shadow Explorer (http://shadowexplorer.com/);
  • Follow a Shadow Explorer Setup Wizard and install this application on your computer;
  • Launch the program and go through the drop down menu on the top left corner to select the disk of your encrypted data. Check what folders are there;
  • Right-click on the folder you want to restore and select “Export”. You can also select where you want it to be stored.

Dian Decrypter

You will be able to use DCRY Decrypter when it will be updated.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Dian and other ransomwares, use a reputable anti-spyware, such as Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware

About the author

Gabriel E. Hall
Gabriel E. Hall - Passionate web researcher

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References