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

removal by Julie Splinters - - | Type: Ransomware
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Should you get terrified by DevNightmare ransomware?

Crooks have taken out another surprise out of their pocket – DevNightmare virus. It operates as a highly damaging file-encrypting malware. The hackers seem to be focused on the movie and horror topic as there has been such ransomware as Batman_good@aol.com or Apocalypse virus. While the majority of them used standard AES file encoding algorithms, this particular virus seems to be a bit different. Nonetheless, it does not mean that there is no way to remove DevNightmare. This threat can be easily eliminated with the help of an anti-spyware application, such as Reimage. You should make a rush to get rid of this malware before it completely entangles your operating system. DevNightmare removal instructions are delivered below in this article.

After ransomware threats became a profitable way of gaining thousands of dollars from the misfortunes of Internet users, amateur, and more skillful hackers started to compete between each other. There have been cases when inexperienced crooks tried to stand their ground by releasing such weak ransomware as NoobCrypt against such titans as Cerber. In this manner, it seems that the owners of DevNightmare 2xx9 malware belong the former group. On the other hand, perhaps they deliberately wrote the ransom note in such misleading way to create a false image that they are amateurs. Specifically, the text makes fun of the victims by congratulating them on being infected with this ransomware. Afterward, the message contains the email address – devnightmare2xx9@gmail.com. The hackers do not indicate a fixed sum of money. They leave the right to decide to you how much you can pay for the retrieval of your files. Analyzing such behavior, there are few chances that they will return the encoded data after receiving bitcoins. Relying on the consciousness of the hackers is a just a futile matter.

The image showing DevNightmare virus

Other versions of the ransomware:

.2xx9 file extension virus. Dev-Nightmare seems to have its descendants quite soon after the original version was launched. Virus researchers detected that there is .2xx9 file extension malware roaming as well. Since they are created by the same author, their modi operandi do not differ. However, the latter might be distinguished as it appends .2xx9 extension to the corrupted files. Whether you are dealing with the original version or this updated variant, do not give in to their terror and move on the elimination.

Devnightmare2xx9@gmail.com. This file-encrypting threat might seem to be identical to the discussed DevNightmare. It also uses AES and RSA algorithms to perform its mischief. When the encryption process is complete, it opens up its .txt and .html files. There, you can notice devnightmare2xx9@gmail.com email provided in case you decide to contact the hackers. We do not recommend wasting time on it but instead remove the threat and start concentrating on the file recovery.

How does the malware infiltrate the device?

Most probably, Dev-Nightmare ransomware sneaked into your computer via spamming. It is a common strategy to distribute the ransomware as there is still a high number of users who recklessly open any spam message which supposedly contains important information. Perhaps it is just a feature of human nature to open disguised content. However, such peculiarity might lead into DevNightmare hijack. Thus, be aware of such scamming techniques and avoid opening similar messages without making sure of the sender’s identity. In addition, it is vital improving your cyber security because some file-encrypting viruses might assault you using exploit kits. These files tend to avoid detection of malware removal utilities. Updating the security applications is crucial as well.

Remove DevNightmare 

The elimination of DevNightmare virus does not create many obstacles if you choose the automatic removal option. You can choose either of these Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware applications to assist you with the elimination. They will remove DevNightmare in a few moments. After that, you can concentrate on the file recovery. Regarding the latter, we present several suggestions below this article. When your device is fully restored, check whether the creation of shadow copies is automatically. This function might serve as the only chance to recover the files unless the virus deletes them. Finally, here are the access recovery instructions in case you struggle to finish DevNightmare removal.

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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 DevNightmare 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.

More information about this program can be found in Reimage review.

Manual DevNightmare virus Removal Guide:

Remove DevNightmare using Safe Mode with Networking

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

  • 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 DevNightmare

    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 DevNightmare removal.

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

Remove DevNightmare using System Restore

Reimage is a tool to detect malware.
You need to purchase Full version to remove infections.
More information about Reimage.

  • 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 DevNightmare. 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 DevNightmare removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove DevNightmare 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 DevNightmare, you can use several methods to restore them:

Will Data Recovery Pro help me decode the files?

This utility is not specifically created for decrypting the files after the ransomware assault, but this application might recover some of your files.

The functionality of System Restore Point

This function grants you time to make the copies of your files by reverting the operating system to the earlier build.

  • Find an encrypted file you need to restore and right-click on it;
  • Select “Properties” and go to “Previous versions” tab;
  • Here, check each of available copies of the file in “Folder versions”. You should select the version you want to recover and click “Restore”.

How useful is Shadow Explorer?

If the ransomware has not gained access to the shadow volume copies, you can easily restore the files using Shadow Explorer. This program will re-create the files according to the shadow copies.

  • 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.

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

About the author

Julie Splinters
Julie Splinters - Malware removal specialist

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  • VillainV

    It‘s time to teach them a lesson.

  • Metamorphosis@5

    The hackers became too dramatic.

  • Kylie

    Still, my files are locked. Does anybody have any ideas concerning the decryption?

  • Jionshu

    Pity, that this ransomware got my PC as well.