How to Open Null File – File Extension 2022


In This Article, I will guide you on how to open Null File. The Null virus has encrypted a file with the .null suffix, a variation of the Stop and Djvu ransomware that first appeared in August 2017.

What is a NULL file?

A Null file is a file type typically associated with system files on Microsoft Windows. System files are essential for the proper functioning of a computer and should not be deleted or replaced without first consulting a professional.

Null files are files that don’t exist. They are generally created when a file is deleted, but the content isn’t completely erased. This can make them difficult to open because most programs won’t recognize them as existing files.

How to Open Null File? Easy Method

Because it is encrypted using the AES-256 technique, it cannot be opened by merely altering the .null file extension.

Want to open a Null File, you must find its real file extension. However, it can be possible with this tool. This Tool will help you to find the real extension on the file.


Change the file name type by renaming it and putting the extension type suggested by the previous tool.

More Information About a Null File

Null is a sort of malware used by cybercriminals to hold a user’s files hostage and force him to pay the culprit to get them back.

It is usually spread to a victim’s PC via spam emails containing malicious file attachments downloaded and run by unwitting users.

These email attachments could be JavaScript.JS files or other types of files. The Null virus is hidden inside DOCX files with macros that appear as normal attachments.

When the ransomware is installed on a user’s computer, it encrypts files and appends them, .Null extension to their names.

Documents, photos, movies, and backup files, such as.DOCX,.JPG,.MP4, and.DB files are commonly targeted. A spreadsheet.xlsx file, for example, becomes spreadsheet .xlsx .null.

After then, the virus displays a pop-up window with many tabs outlining the virus’ hostile takeover of the user’s files.

The tabs provide information about what happened to the computer, the encryption used on the files, a list of encrypted files, instructions on how to retrieve the user’s files, and instructions on how to pay the Bitcoin ransom.

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With an academic background in IT, I have a special corner for tech and information technology in my heart. That's the main reason why I am so passionate about new advancements and researches in this filed and then pen down them to spread the awarness.

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