How to remove Aesir ransomware and decrypt .aesir files

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What is Aesir ransomware?

Aesir ransomware is a new release of Locky encryption virus. Mostly it has minor changes, as in the basic behavior it is identical to Odin, Thor, and Locky threats. So, in method of operation this malware resembles any other ransomware: it infiltrates the system stealthily and then searches for the files of the most frequent extensions. The scanned data afterwards becomes encrypted with asymmetric cryptography and the files get the .aesir extension. It ends with a user getting a message from the schemers with the demand of money in change of retrieving the files. Though we understand that you may agree to anything just to get your data back, we don’t advise transferring the money to the cybercriminals, as this only encourages them on future scams. Instead we offer to use this guide to be able to remove Aesir ransomware and decrypt .aesir files.

Aesir ransomware note

How Aesir ransomware got installed on your computer

Developers distribute Aesir ransomware with the help of third party sources that offer free downloads, such as torrents, free file hosting sites, p2p services, etc. Besides, they often use inventive email messages and software updates notifications. That’s why you need to be attentive when dealing with software downloads and opening email attachments received from unknown email addresses.

What to do if your PC is infected with Aesir ransomware

As soon as you notice the presence of the ransomware on your system, you should turn your computer off. If it is possible try to create a backup or image of your hard drive info. This may let you to reserve the state of your drives in case a decryption method would be created afterwards.

Symptoms of Aesir ransomware infection

It’s difficult not to notice ransomware, since it often has one of the processes responsible for displaying a notification message. This window blocks the screen leaving the user minimum alternatives. Besides, some files will be inaccessible, as in many cases ransomware encrypts them to exasperate the scaring effect.

How to remove Aesir ransomware?

To make sure that the adware won’t reappear, you need to delete Aesir ransomware completely. For this you need to remove the files and registry entries of the ransomware. We should warn you that performing some of the steps may require above-average skills, so if you don’t feel experienced enough, you may apply to automatic removal tool.

Download Removal Tool

Performing an antimalware scan with Spy Hunter Removal Tool would automatically search out and delete all elements related to Aesir ransomware. It is not only the easiest way to eliminate Aesir ransomware, but also the safest and the most assuring one.

Steps of Aesir ransomware manual removal

Restart Windows in Safe Mode

For Windows XP:

  1. Restart the system
  2. While computer is rebooting press F8 several times
  3. In the appeared list of options choose Safe Mode

For Windows 7 and Vista:

  1. Restart the system
  2. While computer is rebooting press F8 several times
  3. In the appeared list of options choose Safe Mode

For Windows 8 and 8.1:

  1. Restart the system
  2. While computer is rebooting press F8 several times
  3. In the appeared list of options choose Safe Mode

For Windows 10:

  1. In the Start menu click on the power button
  2. Hold Shift and choose Restart
  3. Choose Troubleshoot
  4. In the Advanced Options choose Startup Settings
  5. Click Restart
  6. Select Enter Safe Mode

How to decrypt or restore the .aesir files

Use the decrypting tool

Unfortunately, currently a tool able to decrypt the files infected by Aesir ransomware is not released yet. You may try applying to the methods described below, however, they might not work with the latest versions of Aesir ransomware.

Restore .aesir files with an automatic tool

For those types of ransomware viruses that rather remove files than encrypt them we would suggest using Recuva program.
recuva tool

  1. Download Recuva tool and launch it
  2. Within the on-screen wizard choose the type of the files you want to recover
  3. Choose the location of the files
  4. Wait until the application finishes scanning
  5. Select the required files and click the Recover button

Nevertheless there are no other tools able to restore and decrypt .aesir files, you may try applying to the manual methods described below, however, they might not work with the latest versions of Aesir ransomware.

Restore the system

  1. Initiate the search for system restore
  2. Click on the result
  3. Choose the date before the infection appearance
  4. Follow the on-screen instructions

Roll the files back to the previous version

  1. Right-click the file and choose Properties
  2. Open the Previous Version tab
  3. Select the latest version and click Copy
  4. Click Restore

If the above-mentioned methods didn’t help in eliminating the threat, then it’s better to rely on an automatic way of deleting Aesir ransomware.

Download Removal Tool

We also recommend to download and use Spy Hunter to scan the system after Aesir ransomware removal to make sure that it is completely gone. The antimalware application will detect any vicious components left among system files and registry entries that can recover Aesir ransomware.

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