DIY: How to open NULL file extensions (2024). Learn how to open NULL file extensions on your phone and laptop from Naijatechnews. Files that are given the NULL extensions are known as NULL image files. Have you found, downloaded, or received a NULL file, but don’t know which software program is required to open it? DO NOT OPEN THE NULL FILE – READ BELOW
What is a NULL file? The .null file extension is used by some third-party Windows programs for a corrupted data file format. When a program generates a file with corrupted data, the program may use the .null file extension for the file, in order to flag it as a file that can’t be activated due to some issues with its content.
What is a NULL file in cyber terms? Null is a ransomware-type virus discovered by a malware security researcher, Michael Gillespie. Once infiltrated, Null encrypts various files using the AES-256 algorithm. During encryption, this malware appends filenames with the “.
There are lots of programs that can open different file extensions, and there are some simple ways you can tell which one to use – This post shows you how you can open all NULL file extensions.
A universal file viewer is the best way to open a NULL file. Programs like File Magic can open many different types of files, depending on the format. Although, some files may not be compatible with these programs. If your NULL file isn’t compatible, it will only open in binary format.
For Windows operating system, Final Media player and Miro are able to open certain types of NULL files. Remember, different programs may use NULL files for different purposes, so you may need to try out a few of them to be able to open your specific file.
If you’re trying to open a NULL file on your laptop, depending on the type of file it is. You can find the file type listed in the file’s properties. On a Windows PC, right-click the file, click “Properties“, then look under “Type of File.” On a Mac computer, right-click the file, click “More Info,” then look under “Kind”.
Contacting the software developer is another easy way to get help opening your NULL file, the software developer or company will provide a guide for you or even a tool for opening the file with NULL extension.
NULL FILE EXTENSION CYBERSECURITY AWARENESS
Null is a ransomware-type virus discovered by a malware security researcher, Michael Gillespie. Once infiltrated, Null encrypts various files using the AES-256 algorithm.
During encryption, this malware appends filenames with the “.null” extension (for instance, “sample.jpg” is renamed to “sample.jpg.null“). Following successful encryption, Null opens a pop-up window with five tabs that provide detailed information about “What happened”.
The first tab (“What happened to my PC“) informs victims of the encryption and encourages them to purchase a decryption program. The second tab (“Encrypted files“) simply contains a list of compromised files. The third tab (“How do I recover my files?“) explains how to receive the aforementioned decrypter.
The fourth tab (“How do I send bitcoins?“) supposedly explains how to submit payment, however, at the time of research, it did not contain any relevant text. The last, fifth, tab (“What is AES 256?“) provides detailed information regarding the encryption algorithm.
As mentioned above, Null employs AES-256 – an asymmetric encryption algorithm – and thus, a unique key (used to encrypt/decrypt files) is generated for each victim. This key is stored on a remote server controlled by cybercriminals who attempt to sell a decryption tool (with an embedded key) for 2.2 Bitcoins (currently equivalent to ~$10000).
As compared to other similar viruses, the size of this ransom is extremely large (such ransoms usually fluctuate between the equivalent of $500 and $1500 in Bitcoins). Be aware, however, that cybercriminals often ignore victims, once payments are submitted.
These people cannot be trusted. Whether the ransom is $50 or $5000, you should never pay, since there is a high probability that you will be scammed.
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