.cuba Virus File (Fidel Ransomware) - How to Remove It

.cuba Virus File (Fidel Ransomware) – How to Remove It

.cuba file extension is placed on all of your files? .cuba Virus File is also known as Fidel ransomware which locks files on a computer and demands money to be paid as a ransom for unlocking them.


Fidel Ransomware (.cuba Virus File)

Fidel or otherwise known as .cuba Virus File is a ransomware type virus. It encrypts files by appending the .cuba extension to them, making them inaccessible. All encrypted files will receive the new extension as a secondary one. The Fidel ransomware drops a ransom note, which gives instructions to victims on how they can allegedly restore their data by paying a ransom fee.

Fidel Ransomware Virus

Fidel Ransomware will encrypt all types of files such as audio, video, pictures, backups, banking data and other personal user files found on a compromised computer system.

Threat Summary

NameCuba Virus (Fidel)
File Extension.cuba
Type Ransomware, Cryptovirus
Short DescriptionThe ransomware encrypts files on your computer system and demands a ransom to be paid to allegedly recover them.
SymptomsThe Fidel ransomware will encrypt your files by appending the .cuba extension to them, along with a unique identification number placing the new .cuba extension as a secondary.
Ransom Demanding Note!!FAQ for Decryption!!.txt
Distribution MethodSpam Emails, Email Attachments
Detection Tool See If Your System Has Been Affected by Cuba Virus (Fidel)


Malware Removal Tool

User ExperienceJoin Our Forum to Discuss Cuba Virus (Fidel).

.cuba Virus File – How Did It Infect My PC and What Happened?

.cuba Virus File might spread its infection via a payload dropper, which initiates the malicious script for this ransomware. The virus might also distribute its payload file on social media and file-sharing services. Freeware which is found on the Web can be presented as helpful also be hiding the malicious script for the cryptovirus. Read the tips for ransomware prevention from our forum.

Also known as the .cuba Virus File is ransomware that encrypts your files and shows ransomware instructions inside a ransom note called !!FAQ for Decryption!!.txt:


Beside the instructions you can see in the above image, there is a note that states the following:

Good day. All your files are encrypted. For decryption contact us.
Write here iracomp4@protonmail.ch [ mailto:iracomp4@protonmail.ch ] We also inform that your databases, ftp server and file server were downloaded by us to our servers.

* Do not rename encrypted files
* Do not try to decrypt your data using third party software,
it may cause permanent data loss.

You should NOT under any circumstances pay any ransom sum.

The extortionists want you to pay a ransom for the alleged restoration of your files, same as with a lot of ransomware viruses. .cuba Virus File ransomware could make entries in the Windows Registry to achieve persistence, and could launch or repress processes in a Windows system. All encrypted will receive the .cuba extension alongside a random generated one. That extension will be placed as a secondary one to each file and look something like .cuba. Audio, video, image files as well as documents, backups and banking data can be encrypted by the ransomware.

The .cuba Virus File could be set to erase all the Shadow Volume Copies from the Windows operating system with the help of the following command:

→vssadmin.exe delete shadows /all /Quiet

If your computer device was infected with this ransomware and your files are locked, read on through to find out how you could potentially restore your files back to normal.

Remove .cuba Virus File

If your computer got infected with the .cuba Virus File, you should have a bit of experience in removing malware. You should get rid of this ransomware as quickly as possible before it can have the chance to spread further and infect other computers. You should remove the ransomware and follow the step-by-step instructions guide provided below.

Tsetso Mihailov

Tsetso Mihailov

Tsetso Mihailov is a tech-geek and loves everything that is tech-related, while observing the latest news surrounding technologies. He has worked in IT before, as a system administrator and a computer repair technician. Dealing with malware since his teens, he is determined to spread word about the latest threats revolving around computer security.

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