CryptoNar ransomware

September 18, 2018

What is CryptoNar

CryptoNar ransomware virus is a cyber infection that hails from the same family as CryptoJoker. The virus is focusing on crypto-extortion.

CryptoNar is a ransomware that is possibly created by CryptoJoker ransomware developers. These speculations showed up after noticing that the virus contains code from the previously-known ransomware. This particular ransomware starts the attack with the RSA-2048 encryption code used to lock most important victim’s files. The attack is followed by the .cryptonar extension added to each modified file. Additionally, the ransomware displays a window with the ransom note demanding $200 in bitcoin from the victim to get these files decrypted. You shouldn’t pay the ransom because this is one of the main reasons why hackers continue releasing such threats. Besides, recently security experts presented a free decryption tool for victims of CryptoNar ransomware.

CryptoNar ransomware

This ransomware virus starts its attack by collecting specific information about its victims. It looks for various strings that can reveal the information about the victim’s name, location, phone number, address or any other information related to account credentials. Additionally, CryptoNar then starts modifying various user’s data and some predetermined parts of the system. The intruder takes over the system and changes Windows Registry keys so that it could launch automatically. This makes the virus elimination even more difficult.

Download Removal Toolto remove CryptoNar

This crypto-extortionist locks files using sophisticated encryption method called RSA-2048. As a result, a unique key created for each file and the .cryptonar appendix is added to the file names. The best way to recover these files is to use backups and replace the affected data with them. However, virus developers are stating that there is only one way to recover data and this is a decryption tool. No matter how tempting it seems, you shouldn’t pay the ransom.

The ransom note placed by CryptoNar reads as follows:

CryptoNar ransomware suggests people contact its developers right after infection and pay the ransom within 72 hours, but the best solution in this ransomware attack is to delete this virus as soon as possible. You should never trust these people behind a cyber threat as they can leave you with nothing.

Proper CryptoNar ransomware removal should be done using anti-malware tools because this program allows you to get rid of all related files that virus may add on your device during the infiltration. Tools like scan the system and detect possible threats, system errors or vulnerabilities. This program can fix all of those issues without any effort.

Once you remove CryptoNar ransomware, you can start data recovery. Researchers always advise people to make sure that the device is clean before plugging in any device with backups. Otherwise, the ransomware can encrypt newly added data or files saved on an external device too. If you don’t have these extra copies, we suggest a few file recovery methods below the article.

How does CryptoNar works

Ransomware can be spread using various attack campaigns and different methods. However, the most common is spam email campaigns. This is a method when hackers infect malicious elements on emails or their attachments. The email itself may look safe and legitimate, but the file can contain the virus directly or spread other malicious contents using links and URLs. When you unknowingly click the provided link or download the file on your computer malware is spread automatically. If you want to avoid these infections you should look out for:

Download Removal Toolto remove CryptoNar

Emails with lots of commercial content or suspicious attachments. Typos and grammar mistakes in emails. Messages sent from a service you do not use. Direct links to suspicious websites on the email itself.

Criminals can also disguise their malicious activity with known names of services and companies. So pay attention if you got an email from a well-known service that you are not using. These emails may also be filled with the content that makes no sense based on the company itself. Delete all the suspicious spam emails without opening them.

How to delete CryptoNar

To remove CryptoNar ransomware, you should employ reputable anti-malware tools given below this article. A full system scan will clean your system thoroughly. However, they won’t help you with the recovery of encrypted data. In this particular case, we recommend these tools: , or Anti-MalwareNorton Internet Security. Programs like these can find system issues, errors and various types of malware including ransomware.

The second step in CryptoNar ransomware removal is data recovery. However, you should double-check if the system is clear before attempting to restore encrypted files, especially, if you use file backups on external devices. If you do the opposite, you can lose your files permanently because ransomware can encrypt your data again. You can use our tips for data recovery below if you have no backups on cloud services or external devices.

Stage 1: Delete Browser Extension

First of all, we would recommend that you check your browser extensions and remove any that are linked to CryptoNar. A lot of adware and other unwanted programs use browser extensions in order to hijacker internet applications.

Remove CryptoNar Extension from Google Chrome

  1. Launch Google Chrome.
  2. In the address bar, type: chrome://extensions/ and press Enter.
  3. Look for CryptoNar or anything related to it, and once you find it, press ‘Remove’.

Uninstall CryptoNar Extension from Firefox

  1. Launch Mozilla Firefox.
  2. In the address bar, type: about:addons and press Enter.
  3. From the menu on the left, choose Extensions.
  4. Look for CryptoNar or anything related to it, and once you find it, press ‘Remove’.

Delete CryptoNar Extension from Safari

  1. Launch Safari.
  2. Press on the Safari Settings icon, which you can find in the upper-right corner.
  3. Select Preferences from the list.
  4. Choose the Extensions tab.
  5. Look for CryptoNar or anything related to it, and once you find it, press ‘Uninstall’.
  6. Additionally, open Safari Settings again and choose Downloads.
  7. If CryptoNar.safariextz appears on the list, select it and press ‘Clear’.

Remove CryptoNar Add-ons from Internet Explorer

  1. Launch Internet Explorer.
  2. From the menu at the top, select Tools and then press Manage add-ons.
  3. Look for CryptoNar or anything related to it, and once you find it, press ‘Remove’.
  4. Reopen Internet Explorer.In the unlikely scenario that CryptoNar is still on your browser, follow the additional instructions below.
  5. Press Windows Key + R, type appwiz.cpl and press Enter
  6. The Program and Features window will open where you should be able to find the CryptoNar program.
  7. Select CryptoNar or any other recently installed unwanted entry and press ‘Uninstall/Change’.

Alternative method to clear the browser from CryptoNar

There may be cases when adware or PUPs cannot be removed by simply deleting extensions or codes. In those situations, it is necessary to reset the browser to default configuration. In you notice that even after getting rid of weird extensions the infection is still present, follow the below instructions.

Use Chrome Clean Up Tool to Delete CryptoNar

  1. Launch Google Chrome.
  2. In the address box, type: chrome://settings/ and press Enter.
  3. Expand Advanced settings, which you can find by scrolling down.
  4. Scroll down until you see Reset and Cleanup.
  5. Press on Clean up computer. Then press Find.

This Google Chrome feature is supposed to clear the computer of any harmful software. If it does not detect CryptoNar, go back to the Clean up computer and reset settings.

Reset Mozilla Firefox to Default

If you still find CryptoNar in your Mozilla Firefox browser, you should be able to get rid of it by restoring your Firefox settings to default. While extensions and plug-ins will be deleted, this will not touch your browser history, bookmarks, saved passwords or Internet cookies.

  1. Launch Mozilla Firefox
  2. Into the address box, type: about:support and press Enter.
  3. You will be redirected to a Troubleshooting Information page.
  4. From the menu on the right side, select Refresh Firefox.
  5. Confirm your choice by clicking Refresh Firefox in the new window.
  6. Your browser will close automatically in order to successfully restore the settings.
  7. Press Finish.

Reset Safari Browser to Normal Settings

  1. Launch Safari.
  2. Press on the Safari Settings icon, which you can find in the upper-right corner.
  3. Press Reset Safari.
  4. A new window will appear. Select the boxes of what you want to reset or use the screenshot below to guide you. Once you have selected everything, press ‘Reset’.
  5. Restart Safari.

Restore Internet Explorer to Default Settings

Download Removal Toolto remove CryptoNar
  1. Launch Internet Explorer.
  2. From the top menu, press on Tools and then Internet Options.
  3. In the new window that opens, choose the Advanced tab.
  4. At the bottom of the window, below Reset Internet settings, there will be a ‘Reset’ button. Press that.

While extensions and plug-ins will be deleted, this will not touch your browser history, bookmarks, saved passwords or Internet cookies.

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