This article provides information on how to remove easily remove B2DR ransomware and how to restore .b2fr files without paying the ransom.
Another variant of B2DR ransomware has been spotted by security researchers. It is known to encrypt sensitive files with AES-256 cipher and append the extension .ssananunak1987@protonmail.com.b2fr to corrupted files. At the end of the attack, this newly discovered B2DR version drops a file called Readme.txt that contains ransom message left by hackers. In case that you fell victim to this threat be advised to avoid any negotiations with cyber criminals as they can only steal your money without providing you working decryption solution.
Threat Summary
| Name | B2DR |
| Type | Ransomware, Cryptovirus |
| Short Description | A data locker ransomware that modifies system settings and then utilizes sophisticated cihper algorithm to encrypt files stored on infected computers. |
| Symptoms | Important files cannot be accesed. They are marked with the extension .b2fr extension. Hackers require ransom payment for decryption solution. |
| Distribution Method | Spam Emails, Email Attachments |
| Detection Tool |
See If Your System Has Been Affected by malware
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Malware Removal Tool
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User Experience | Join Our Forum to Discuss B2DR. |
| Data Recovery Tool | Windows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive. |
B2DR Ransomware – Distribution
One of the possible ways to infect your device with B2DR ransomware is to visit a compromised web page that is set to install it directly on your PC. As regards the links to such pages they can be pushed by various advertising campaigns, posted on social media channels or presented in email spam messages.
Another way to grant B2DR crypto virus access to your system is to open a file attached to an email message. Often bad actors embedded the ransomware payload on documents and spread them with email spam messages. Beware and practice caution before you decide to download and open files from the emails you receive even when they seem legitimate. It is a common practice of hackers to pose as representatives of well-known companies, services, websites and even governmental institutions in an attempt to trick you into infecting your PC with devastating infections like B2DR ransomware virus.
It is also possible to execute unnoticeably the ransomware payload during the installation process of a desired free third-party app as the infection code may be incorporated into the installer.
B2DR Ransomware – More about the Infection Process
Security researchers discovered another version of B2DR ransomware that is known to encrypt important files in order to extort a ransom payment from victims. It is associated with the specific extension pattern it uses to mark all corrupted files – .ssananunak1987@protonmail.com.b2fr. By reaching the end of the article, you will know how to remove the threat and how to restore .b2fr files.
Before the encryption stage, B2DR crypto virus initiates several other actions in order to plague the system and ensure its persistent presence. The infection begins at the moment when its payload is executed on the system. With the help of the payload, the ransomware may create additional malicious files or drop ones from its command and control server.
Some of the files are likely to take over essential system processes in order to utilize their functionalities while remaining undetected by active security measures. And as long as files and objects associated with B2DR ransomware are present on your system, they may be used by hackers to install additional data stealer malware in order to obtain financial credentials and logins.
In order to fulfill one of the main stages of the attack which is ransom note display, B2DR (.b2fr) ransomware is believed to access Registry Editor and modify the settings of some of the keys located there. In the majority of cases threats of this kind affect Run and RunOnce registry sub-keys as they manage the automatic execution of all paramount system files on each system start. So by adding malicious values under these keys, B2DR could automatically open the file that contains its ransom note – Readme.txt. And the whole ransom message reads:
Your files were encrypted with AES-256.
Ask how to restore your files by email ssananunak1987@protonmail.com
Use only gmail.com, yahoo.com, protonmail.com.
Messages written from other mail services we can not get.We always respond to messages. If there is no answer within 24 hours, then write us with another email service.
[OR]If within 24 hours you have not received a response, you need to follow the following instructions:
a) Download and install TOR browser: https://www.torproject.org/download/download-easy.html.en
b) From the TOR browser, follow the link: torbox3uiot6wchz.onion
c) Register your e-mail (Sign Up)
d) Write us on e-mail: ssananunak1987@torbox3uiot6wchz.onion
ATTENTION: e-mail (ssananunak1987@torbox3uiot6wchz.onion) accepts emails, only with e-mail registered in the TOR browser at torbox3uiot6wchz.onion################################
Any actions on your part over encrypted files can damage them. Be sure to make backups!
################################
In the message write us this ID:
[redacted base64]
Apparently, hackers do not reveal the exact amount of the ransom but just urge victims to contact them on a provided email address. Supposedly they demand the payment to be in BTC. Be advised to avoid any negotiations with them and refrain from ransom transferring them money. There is no guarantee that their code is working properly and eventually they may not have an efficient decryption solution.
B2DR Ransomware – Data Encryption
Primarily, B2DR ransomware aims to encrypt important files so you can’t use them. For the purpose, it utilizes a built-in encryption module that implements AES-265 encoding to all target types of files. Supposedly the ransomware is designed to corrupt the following files:
- Audio files
- Video files
- Document files
- Image files
- Backup files
- Banking credentials, etc
After encryption files are marked with a sequence of two extensions that follow the pattern:
- .[hacker contact email address].[malware extension]
This particular version of B2DR is known to append the extension .ssananunak1987@protonmail.com.b2fr to encrypted data. Unfortunately, you can’t access the information stored by this files until you apply any efficient data recovery solution. So keep reading and find some suggestions made in our guide.
Remove B2DR Ransomware and Restore .b2fr Files
There is no doubt that you should remove B2DR ransomware from the infected PC as soon as you detect it. Otherwise, it has the chance to spread its infection files across the whole network. For the manual removal of B2DR ransomware, you need to have a bit of technical experience and ability to recognize traits of malware files. Beware that ransomware has highly complex code that could plague not only your files but your whole system. So security researchers recommend the help of an advanced anti-malware tool for its complete removal. Such tool will keep your system protected against devastating threats like B2DR and other kinds of malware that endanger your online security.
After you remove the ransomware make sure to check the “Restore Files” step listed in the guide below as there you could find alternative ways for .b2fr files recovery. But before you take any further actions, don’t forget to back up all encrypted files to an external drive in order to prevent their irreversible loss.
Gergana Ivanova
Gergana has a bachelor's degree in Marketing. She has been with the STF team for five years, researching malware, reporting on the latest computer infections, and following digital marketing trends.
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Attention! SensorsTechForum strongly recommends that all malware victims should look for assistance only by reputable sources. Many guides out there claim to offer free recovery and decryption for files encrypted by ransomware viruses. Be advised that some of them may only be after your money.
As a site that has been dedicated to providing free removal instructions for ransomware and malware since 2014, SensorsTechForum’s recommendation is to only pay attention to trustworthy sources.
How to recognize trustworthy sources:
- Always check "About Us" web page.
- Profile of the content creator.
- Make sure that real people are behind the site and not fake names and profiles.
- Verify Facebook, LinkedIn and Twitter personal profiles.
How to Remove B2DR from Windows.
Step 1: Boot Your PC In Safe Mode to isolate and remove B2DR
Step 2: Uninstall B2DR and related software from Windows
Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it. To do that:
Follow the instructions above and you will successfully uninstall most programs.
Step 3: Clean any registries, created by B2DR on your computer.
The usually targeted registries of Windows machines are the following:
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
You can access them by opening the Windows registry editor and deleting any values, created by B2DR there. This can happen by following the steps underneath:
Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.
Before starting "Step 4", please boot back into Normal mode, in case you are currently in Safe Mode.
This will enable you to install and use SpyHunter 5 successfully.
Step 4: Scan for B2DR with SpyHunter Anti-Malware Tool
Step 5 (Optional): Try to Restore Files Encrypted by B2DR.
Ransomware infections and B2DR aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.
Simply click on the link and on the website menus on top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.
Get rid of B2DR from Mac OS X.
Step 1: Uninstall B2DR and remove related files and objects
1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:
- Go to Finder.
- In the search bar type the name of the app that you want to remove.
- Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
- If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.
In case you cannot remove B2DR via Step 1 above:
In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:
You can repeat the same procedure with the following other Library directories:
→ ~/Library/LaunchAgents
/Library/LaunchDaemons
Tip: ~ is there on purpose, because it leads to more LaunchAgents.
Step 3 (Optional): Try to Restore Files Encrypted by B2DR.
Ransomware infections and B2DR aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.
Simply click on the link and on the website menus on top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.
B2DR FAQ
What is B2DR ransomware and how does it work?
B2DR is a ransomware infection - the malicious software that enters your computer silently and blocks either access to the computer itself or encrypt your files.
Many ransomware viruses use sophisticated encryption algorithm how to make your files inaccessible. The goal of ransomware infections is to demand that you pay a ransom payment to get access to your files back.
How does B2DR ransomware infect my computer?
Via several ways.B2DR Ransomware infects computers by being sent via phishing e-mails, containing virus attachment.
This attachment is usually masked as an important document, like an invoice, bank document or even a plane ticket and it looks very convincing to users.
After you download and execute this attachment, a drive-by download occurs and your computer is infected with the ransomware virus.
Another way, you may become a victim of B2DR is if you download a fake installer, crack or patch from a low reputation website or if you click on a virus link. Many users report getting a ransomware infection by downloading torrents.
How to open .B2DR files?
You can't. At this point the .B2DR files are encrypted. You can only open them once they are decrypted.
Decryptor did not decrypt my data. What now?
Do not panic and backup the files. If a decryptor did not decrypt your .B2DR files successfully, then do not despair, because this virus is still new.
One way to restore files, encrypted by B2DR ransomware is to use a decryptor for it. But since it's a new virus, advised that the decryption keys for it may not be out yet and available to the public. We will update this article and keep you posted as soon as this decryptor is released.
How Do I restore ".B2DR" files (Other Methods)?
Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore .B2DR files.
These methods are in no way 100% guarantee that you will be able to get your files back. But if you have a backup, your chances of success are much greater.
How do I get rid of B2DR ransomware virus?
The safest way and the most efficient one for the removal of this ransomware infection is the use a professional anti malware software. It will scan for and locate B2DR ransomware and then remove it without causing any additional harm to your important .B2DR files.
Also, keep in mind that viruses like B2DR ransomware also install Trojans and keyloggers that can steal your passwords and accounts. Scanning your computer with an anti-malware software will make sure that all of these virus components are removed and your computer is protected in the future.
What to Do If nothing works?
There is still a lot you can do. If none of the above methods seem to work for you, then try these methods:
- Try to find a safe computer from where you can can login on your own line accounts like One Drive, iDrive, Google Drive and so on.
- Try to contact your friends, relatives and other people so that they can check if they have some of your important photos or documents just in case you sent them.
- Also, check if some of the files that were encrypted it can be re-downloaded from the web.
- Another clever way to get back some of your files is to find another old computer, a flash drive or even a CD or a DVD where you may have saved your older documents. You might be surprised what will turn up.
- You can also go to your email account to check if you can send any attachments to other people. Usually what is sent the email is saved on your account and you can re-download it. But most importantly, make sure that this is done from a safe computer and make sure to remove the virus first.
More tips you can find on our forums, where you can also asks any questions about your ransomware problem.
