The File Extensions Database


.CRJOKER File Extension

  • Category: Ransomware encrypted Files

What is an .CRJOKER file?

.CRJOKER is CryptoJoker ransomware affected file

The crjoker file extension is notoriously associated with a ransomware called CryptoJoker that encrypts users files and demands ransom in bitcoins.

This particular ransomware seems to be distributed as disguised PDF document, perhaps through spam emails and other similar means.

CryptoJoker is known to affect the following files: .txt, , .doc, .docx, .xls, .xlsx, .ppt, .pptx, .odt, .jpg, .png, .csv, .sql, .mdb, .sln, .php, .asp, .aspx, .html, .xml, .psd, .java, .jpeg, .pptm, .pptx, .xlsb, .xlsm, .db, .docm, .sql and .pdf.


How to open:

There is currently no known decryptor for this ransomware.

How to convert:

Not meant to be converted to anything else, at best you can recover the original files.

How to solve problems with CRJOKER files

  • Associate the CRJOKER file extension with the correct application. On :
    Windows: Right click on any CRJOKER file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.CRJOKER files". Mac: Right click (or Ctrl-click) the CRJOKER 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 .CRJOKER is CryptoJoker ransomware affected file. Because only the current version supports the latest CRJOKER file format. Search, therefore, e.g. on the manufacturer website after an available .CRJOKER is CryptoJoker ransomware affected file update.
  • To make sure that your CRJOKER file is not corrupted or virus-infected, get the file again and scan it with antivirus software.