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

removal by Ugnius Kiguolis - - | Type: Ransomware

Naampa locks personal data with .crptd file extension

Picture of Naampa ransomware

Naampa is a new file-encrypting virus that employs RSA-2048 encryption algorithm to corrupt various files. It also appends .crptd extension to each of database, archive, document, audio, video or text files. Once it’s done, malware drops a ransom note called “! —- —- the README !. jpg.”

The ransom-demanding message is written in the Russian language. Thus, Naampa virus is aimed at Russian-speaking computer users.[1] Crooks ask victims to contact them via unlckr@protonmail.com email address. In the letter, they have to provide one of the encrypted files and key.res file. If victims do not receive the answer within a day, they need to check current email address via provided address using TOR browser.

Instead of communicating with cyber criminals, you should remove Naampa from the PC and try alternative recovery methods. It may not be effective and help to decrypt all of your files. But it’s the only safe option at the moment because ransomware is capable of deleting Shadow Volume Copies of the targeted files. However, criminals are not reliable people, so you should not waste your money and obtain suspicious decryption software.

According to the current data, the virus might be related to Unlock92 ransomware virus that has been attacking Russian-speaking people at the end of 2016. This crypto-malware is decryptable.[2] Thus, it’s decryptor might help to recover your files too.

Talking about characteristics of the Naampa ransomware, the virus is written in C# programming language. On the affected device malware drops two executable files – naampa.exe and mmspert.exe. These files are responsible for activating the virus and carrying out other tasks on the computer.

This cyber extortionist not only encrypts files but might cause damage to other system processes. The virus might make new entries on Windows Registry, delete or modify various sub-keys. What is more, it might affect legitimate system processes or install malicious files to complete harmful tasks. The malware creates and locates its components in these directories:

  • %USERPROFILE%\Documents\!—-README—-!.jpg
  • %USERPROFILE%\Documents\key.res

Deleting these files manually is not safe. Manual elimination of the ransomware might cause even bigger damage to the device. To stop malicious tasks on your computer and fix other problems on the system, you need to run professional security software, such as Reimage. It’s necessary for safe Naampa removal. If ransomware blocks removal tool, please check elimination instructions below the article.

Careless behavior on the Web might end up with a ransomware attack

Nevertheless, ransomware belongs to the most dangerous cyber infections; user’s participation is usually necessary to infiltrate the device. Several examples of currently active crypto-malware use exploit kits[3] and hijack devices with the help of security vulnerabilities. However, authors of not so sophisticated viruses use traditional distribution techniques that require user’s clicks:

  • emails that include malicious content (button, link, attachment);
  • infected ads;
  • illegal downloads;[4]
  • fake updates.

When you open an unknown email attachment, click on a suspicious advertisement, download illegal programs or other content or you are tricked to install a fake software update, you risk to let Naampa or another ransomware virus on your PC. Thus, be careful!

Removal steps for Naampa virus

As we have already told you, Naampa removal is performed using security software. If you do not know what malware removal tool to choose, we suggest using Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes. These professional programs will detect and delete all malicious content that might hide in your computer.

However, if you cannot install, update or run your preferred virus elimination software, you need to reboot the device to Safe Mode with Networking. This helps to disable the malware. Then you will be able to run security software and remove Naampa.

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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 Naampa virus, follow these steps:

Remove Naampa using Safe Mode with Networking

In order to run automatic Naampa removal, 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 Naampa

    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 Naampa removal.

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

Remove Naampa using System Restore

This method also helps to enable the virus in order to access security software.

  • 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 Naampa. 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 Naampa removal is performed successfully.

Bonus: Recover your data

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

Try Data Recovery Pro to restore files with .crptd file extension

Follow these steps to try Data Recovery Pro:

  • 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 Naampa ransomware;
  • Restore them.

Take advantage of Windows Previous versions feature

This method helps to access previously saved versions of files before ransomware attack. This method works only if System Restore has been enabled before the Naampa hijack.

  • 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”.

Naampa decryptor is not available yet.

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

About the author

Ugnius Kiguolis
Ugnius Kiguolis - The mastermind

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References