Severity scale:  
  (98/100)

NazCrypt ransomware. How to remove? (Uninstall guide)

removal by Gabriel E. Hall - - | Type: Ransomware

NazCrypt – a file-encrypting virus that locks data with AES cryptography

Image of NazCrypt ransomware

NazCrypt ransomware is a malicious program that uses AES-256 encryption cipher to make files on the targeted computer inaccessible. During the encryption, malware[1] also adds .nazcrypt file extension to documents, pictures, multimedia, archives, and other files.

Just like any other ransomware, NazCrypt virus also delivers a ransom note in NAZCRYPT_RECOVERY_INSTRUCTIONS.txt file where authors of malware give instructions what victims should do after ransomware attack in order to get back access to their files. The message is short and simple – users have to transfer $300 in Bitcoins:

Your important files have been encrypted with NazCrypt ransomware. Send $300 worth of bitcoins to address 13ADfA738SDFHdceP7348DASin3se2 to retrieve your files back!!

Paying the ransom should never be considered. Cyber criminals are not reliable people. Therefore, you cannot be sure whether they actually have NazCrypt decryptor or if they keep their promise and give it to you once they receive your payment.

After the attack, it’s important to remove NazCrypt from the device and only then think about data recovery. Malware can make critical changes to the system, install malicious files or even open the backdoor to other cyber threats.

Ransomware runs whenever you turn on your computer. Therefore, all new files you save on PC might be encrypted once you restart the computer. Additionally, due to harmful process, you will suffer from system crashes, unresponsive programs, and similar computer-related problems.

For these reasons, you should hurry up with NazCrypt removal. Obtain Reimage or another reputable malware removal software and run a full system scan. If you face some obstacles or cannot launch automatic removal, please follow the steps given below.

However, you should not try to locate and delete malware-related components manually. It’s a complicated task, and inexperienced users might cause more damage than good. Hence, dedicate this task to the professional software.

Once you get rid of NazCrypt, you can plug in the external drive with data backups and copy needed files. If you do not have them, please check our suggestions below how you can restore files with .nazcrypt extension. Paying the ransom is never an option!

Malicious spam emails spread ransomware executable

Ransomware payload nazcrypt.exe typically spreads with the help of infected spam emails that have an attachment. When a user opens it, this executable is dropped on the system. Crooks use clever social engineering[2] techniques to trick users into opening obfuscated files. Unfortunately, many people fall for such tricks.

However, malware research team from usunwirusa.pl[3] warn that netizens should not only be aware of potential threats that are lurking in their inbox. There are many other ways how ransomware can enter the system, for instance, malware-laden ads, fake software updates or downloads, etc.

Hence, following basic online security tips, installing an antivirus program and creating backups is a must to minimize the risk of cyber attack.

Delete NazCrypt virus from Windows OS correctly

To remove NazCrypt from the system without causing more damage, you have to use powerful malware removal software. Tools like Reimage or Plumbytes Anti-MalwareMalwarebytes Malwarebytes can quickly identify and terminate all files related to the ransomware. Meanwhile, this task is nearly impossible to complete manually.

However, security software might be blocked by ransomware. For this reason, you should reboot your machine to Safe Mode with Networking before running automatic NazCrypt removal. You can find detailed instructions how to do it below.

At the end of the instructions, you will also find a few methods that might help you to get back access to the encrypted files. Nevertheless, the official decryptor is not available yet; you should still try alternative tools to minimize the damage by ransomware.

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What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. 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.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove NazCrypt virus, follow these steps:

Remove NazCrypt using Safe Mode with Networking

To eliminate NazCrypt from the PC using anti-malware software, follow these steps:

  • 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 NazCrypt

    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 NazCrypt removal.

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

Remove NazCrypt 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 NazCrypt. 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 NazCrypt removal is performed successfully.

Bonus: Recover your data

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

Take advantage of Data Recovery Pro

Data Recovery Pro is not the official decryptor, but it might help to restore some of the corrupted files.

  • Download Data Recovery Pro;
  • Follow the steps of Data Recovery Setup and install the program on your computer;
  • Launch it and scan your computer for files encrypted by NazCrypt ransomware;
  • Restore them.

Recover individual files with Windows Previous Versions feature

If System Restore was enabled on your PC before ransomware attack, you can copy individual files by following these steps:

  • 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”.

ShadowExplorer might be helpful in data recovery too

If ransomware did not delete Shadow Volume Copies of the targeted files, you should try this tool too:

  • 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.

NazCrypt decryptor is not available yet.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from NazCrypt and other ransomwares, use a reputable anti-spyware, such as Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes

About the author

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

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References