How to remove COOS ransomware and decrypt “.COOS” files

What is COOS?

When we are surfing the internet there is a high risk of becoming infected with a virus. Every day criminals create thousands new threat and COOS ransomware is the one of them. It belongs to the STOP(DJVU) file-encryption ransomware family, which contain a great number of members. COOS ransomware spreads very fast, because as the rule hackers spread it by the means of fake installers. You can easily find such files on free file sharing services and torrent trackers. However, sometimes hackers also infect computers directly, by the means of Remote Access Terminals. As the result of encryption process files get new “.COOS” extension. Moreover, you may notice that there is a ransom note called “_readme.txt”. By the means of this note hackers try to assure the victims, that the only way out is to purchase the decryption tool. But in the most cases, hackers just deceive their victims. They either force them to pay twice, or send them another virus instead of the decryption tool. That’s why we strongly recommend you to avoid any contact with them. Still, there is a way out. Read our detailed guide on how to remove COOS ransomware and decrypt “.COOS” files without paying ransoms!

_readme.txt

Article’s Guide

1. How to remove COOS ransomware from your computer
2. Automatically remove COOS ransomware
3. Manually remove COOS ransomware
4. How to decrypt .COOS files
5. Automatically decrypt .COOS files
6. Manually decrypt .COOS files
7. How to prevent ransomware attacks
8. Remove COOS ransomware and decrypt .COOS files with our help

How to remove COOS ransomware from your computer?

Every day ransomware viruses change as well as their folders, executable files and the processes, which they use. For this reason it’s difficult to detect the virus yourself. That’s why we’ve prepared the detailed guide for you on how to remove COOS ransomware from your computer!

Automatically remove COOS ransomware

We strongly recommend you to use automated solution, as it can scan all the hard drive, ongoing processes and registry keys. It will mitigate the risks of the wrong installation and will definitely remove COOS ransomware from your computer with all of its leftovers and register files. Moreover, it will protect your computer from future attacks.

Our choice is Norton 360 . Norton 360 scans your computer and detects various threats like COOS virus, then removes it with all of the related malicious files, folders and malicious registry keys. Moreover, it has a great variety of other features, like protection from specific ransomware attacks, safe box for your passwords and many other things!

Download Norton

Manually remove COOS ransomware

This way is not recommended, as it requires strong skills. We don’t bear any responsibility for your actions. We also warn you that you can damage your operating system or data. However, it can be a suitable solution for you.

1. Open the “Task Manager”
2. Right click on the “Name” column, add the “Command line”
3. Find a strange process, the folder of which probably is not suitable for it
4. Go To the process folder and remove all files
5. Go to the Registry and remove all keys related to the process
6. Go to the AppData folder and remove all strange folders, that you can find

How to decrypt .COOS files?

Once you’ve removed the virus, you are probably thinking how to decrypt “.COOS” files or at least restore them. Let’s take a look at possible ways of decrypting your data.

Restore .COOS files with Stellar Data Recovery

If you decided to recover your files, we strongly advise you to use only high-quality software, otherwise your data can be corrupted. Our choice is Stellar Data Recovery. This software has proven to be very appreciated by customers, who have faced ransomware problems!

1. Download and install Stellar Data Recovery
2. Select drives and folders with your files, then click Scan.
3. Choose all the files in a folder, then press on Restore button.
4. Manage export location.

Download Stellar Data Recovery

_{The download is an evaluation version for recovering files. To unlock all features and tools, purchase is required ($49.99-299). By clicking the button you agree to EULA and Privacy Policy. Downloading will start automatically.}

Other solutions

The services we’ve mentioned in this part also guarantee users, that the encrypted data is unlikely to become damaged. But you should understand, that there is still a risk to corrupt your files.

Decrypt .COOS files with Emsisoft decryptor

Decrypt .COOS files with Kaspersky decryptors

Decrypt .COOS files with Dr. Web decryptors

Decrypt .COOS files manually

If above mentioned solutions didn’t help to decrypt .COOS files, still, there is no need to invest in the malicious scheme by paying a ransom. You are able to recover files manually.
You can try to use one of these methods in order to restore your encrypted data manually.

Restore .COOS files with Windows Previous Versions

Restore .COOSfiles with System Restore

How to prevent ransomware attacks?

If you have successfully removed COOS ransomware, you know probably think about the ways how to protect your data from future attacks. The best way is to create backups of your data. We recommend you to use only high-quality products. Our choice here is Stellar Data Recovery. This soft can easily create highly-qualified backups, has a user friendly interface and moreover, it can help you to restore your files! Then you should take under strict control all your internet connections. Some of the ransomware viruses connect to various internet services and can even infect computers that are connected to the same local network. That’s why it’s important to use a strong firewall, that can easily restrict any connection. The best choice is GlassWire. This program has a user friendly interface and it becomes very easy to prevent any ransomware or hacker attack.

_{To unlock all features and tools, purchase is required ($49.99-$299). By clicking the button you agree to EULA and Privacy Policy.}

If you want to learn out more details about the ways how to prevent ransomware attacks, read our detailed article!

Write us an email

If your case is an unusual one, feel free to write us an email. Fill the form below and wait for our response! We will answer you as soon as possible. The files we need to inspect your case are: executable files of the virus, if it’s possible; examples of the encrypted files; screenshots of your task manager; ransom note; background screen.

CONCLUSION: nowadays, these solutions are the all possible ways to remove COOS ransomware and decrypt “.COOS” files. Nowadays the best way to remove it is the Norton 360 . Their specialists improve the scan system and update the databases every day. It helps not only to remove existing problems, but also protects computers from future attacks. If there is a new way to decrypt your files, we will update the article, so stay tuned.

Download Norton