The File Extensions Database


.AESIR File Extension

  • Category: Ransomware encrypted Files

What is an .AESIR file?

.AESIR is Locky ransomware affected file

File extension aesir is since November 2016 used as a new suffix for the Locky ransomware that previously used zepto,locky and odin extensions.

The user infected by the Aesir Locky variant may witness ransom notes and “instructions” in a text file and as the typical Grey/Pink Locky wallpaper.


How to open:

Unfortunately, there is no decryptor for .aesir files available.

How to convert:

The only way to convert the original data would be to recover the files first.

How to solve problems with AESIR files

  • Associate the AESIR file extension with the correct application. On :
    Windows: Right click on any AESIR file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.AESIR files". Mac: Right click (or Ctrl-click) the AESIR file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .AESIR is Locky ransomware affected file. Because only the current version supports the latest AESIR file format. Search, therefore, e.g. on the manufacturer website after an available .AESIR is Locky ransomware affected file update.
  • To make sure that your AESIR file is not corrupted or virus-infected, get the file again and scan it with antivirus software.