How to remove Btos ransomware and decrypt .btos files

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What is Btos ransomware?

Btos is a data-kidnapping malware that was developed by the same people who are in charge of STOP/DJVU ransomware family. Hackers from this group are responsible for a bunch of similar viruses among which Kodc ransomware, Reha ransomware, Domn Ransomware, Gesd Ransomware, Righ Ransomware, Peet Ransomware, Reco Ransomware, Xoza Ransomware, Noos Ransomware, Kuub Ransomware, Hese Ransomware, Gero Ransomware, Coharos Ransomware, and so on. Cybercriminals use fake Windows updates to bypass system security and antivirus programs. Following infiltration, just as other ransomware, it encodes vulnerable data like images, audios, texts, documents and then blackmails a victim claiming to pay a ransom. Nevertheless, we advise you not to pay ransom cost, as there is no guarantee that these people would return your data. Alternatively, you may use our guide to remove Btos ransomware and decrypt .btos files

remove Btos ransomware

When the encryption is finished and the data on your computer is encoded, you’re getting an offer – money in exchange for the decryption key. This is where social engineering methods start to work. The amount of ransom is $980, but to speed up this process while the victim is confused and frightened, they give a 50% discount for payment within 72 hours. For this purpose, cybercriminals want you to contact them by email or through the Telegram. The more detailed information you can find in the TXT file virus creates:_readme.txt:

ATTENTION!

Don’t worry, you can return all your files!
All your files like photos, databases, documents and other important are encrypted with strongest encryption and unique key.
The only method of recovering files is to purchase decrypt tool and unique key for you.
This software will decrypt all your encrypted files.
What guarantees you have?
You can send one of your encrypted file from your PC and we decrypt it for free.
But we can decrypt only 1 file for free. File must not contain valuable information.
You can get and look video overview decrypt tool:
hxxps://we.tl/t-p2ngkyrMRl
Price of private key and decrypt software is $980.
Discount 50% available if you contact us first 72 hours, that’s price for you is $490.
Please note that you’ll never restore your data without payment.
Check your e-mail “Spam” or “Junk” folder if you don’t get answer more than 6 hours.

To get this software you need write on our e-mail:
helpmanager@firemail.cc

Reserve e-mail address to contact us:
helpmanager@iran.ir

Your personal ID:

We strongly recommend not to comply with their requirements because there are no guarantees that you will obtain your files when the transaction happens. On the contrary, there is a high risk of being deceived and simply left with nothing. Of course, they claim the opposite, that it is supposedly not in their interests to trick you. Think for yourself, why should they send you the key, if they have already received a ransom from you? The only reliable way to solve the problem is to remove Btos ransomware from the system using appropriate software in order to stop the malicious actions of the virus and then restore your data from the backup.

Example of encrypted files:
remove Btos ransomware

At the last stage of the infection stage, this ransomware may delete all shadow volumes on your computer. After that, you will not be able to carry out the standard procedure for recovering your encrypted data using these shadow volumes. There are two solutions to remove Btos Ransomware and decrypt your files. The first is to use an automated removal tool. This method is suitable even for inexperienced users since the removal tool can delete all instances of the virus in just a few clicks. The second is to use the Manual Removal Guide. This is a more complex way that requires special computer skills.

Screenshot of fake Windows Update you might see during the encryption:
remove Btos ransomware

How Btos ransomware gets on my computer?

– Spam attachments and hyperlinks
– Software vulnerabilities and exploits
– Malicious sites
– Backdoors (defects of the algorithm that are intentionally built into it by the developer and allow you to gain unauthorized access to data or remote control of the operating system and the computer as a whole)

How to remove Btos ransomware?

First of all, don’t panic. Follow these easy steps below.

1. Start your computer in Safe Mode with networking. To do that, restart your computer before your system starts hit F8 several times. This will prevent system from loading and will show Advanced boot options screen. Choose Safe mode with networking option from the options list using up and down arrows on your keyboard and hit Enter.
2. Log in to the system infected with the Btos ransomware virus. Launch your Internet browser and download a reliable anti-malware program and start a full system scan. Once the scan is complete, review scan results and remove all entries detected.

Recommended Solution:

Try Norton

Norton is a powerful removal tool. It can detect and remove all instances of newest viruses, pop-ups, ransomware or trojans.

Download Norton

for windows

You may find more detailed information about antivirus products in our article – Top 5 Antivirus Software for Windows


Once Btos ransomware has been successfully removed, you can begin the file decryption procedure:

Emsisoft's decryption tool

It was noted that during encryption, the Btos virus tries to establish a connection with its server, which does not always occur. If you’re lucky, and the virus fails to do it, you’ve got a good chance of getting your files back with the help of Emsisoft’s decryption tool.

Restore your files using shadow copies

stellar-data-recovery

  1. Download and run Stellar Data Recovery.
  2. Select type of files you want to restore and click Next.
  3. Select the drive and folder where your files are located and date that you want to restore them from and press Scan.
  4. Once the scanning process is done, click Recover to restore your files.
Download Stellar Data Recovery

How to decrypt files infected by Btos Ransomware?

You can try to use manual methods to restore and decrypt your files.

Decrypt files manually

Restore the system using System Restore

system restore

Although the latest versions of Btos Ransomware remove system restore files, this method may help you to partially restore your files. Give it a try and use standard System Restore to revive your data.

  1. Initiate the search for ‘system restore
  2. Click on the result
  3. Choose the date before the infection appearance
  4. Follow the on-screen instructions

Roll the files back to the previous version

Previous versions can be copies of files and folders created by Windows Backup (if it is active) or copies of files and folders created by System Restore. You can use this feature to restore files and folders that you accidentally modified or deleted, or that were damaged. This feature is available in Windows 7 and later versions.

windows previous versions

  1. Btost-click the file and choose Properties
  2. Open the Previous Version tab
  3. Select the latest version and click Copy
  4. Click Restore

Step 2: Remove following files and folders of Btos Ransomware:

Related connections or other entries:

No information

Related files:

No information

How to prevent your system from Ransomware?

Make sure your Remote Desktop Protocol (RDP) connection is closed when you don’t use it. Also, we recommend using a strong password for this service. The most efficient way to avoid data lose is of course to make a backup of all important data from your computer.

Author: Ilias

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