BYYA Ransomware. How to decrypt .byya files?

If you can’t open your photos, documents, or other files and also see the .byya extension on them, your computer is surely infected with Byya ransomware. It pertains to STOP/Djvu ransomware group

Byya ransomware encrypts personal documents located on the victim’s PC with the extension “.byya” and after that generates the ransom note in each folder which contains encrypted files. The instructions are put on the victim’s desktop in the “readme.txt” file. Its task is generally comparable to other examples of the same ransomware family: Kruu, Nooa, Mine.

What is Byya Ransomware?

NameByya Virus
Ransomware family1DJVU/STOP2 ransomware
Extension.byya
Ransomware note_readme.txt
RansomFrom $490 to $980
Contactmanager@mailtemp.ch, helprestoremanager@airmail.cc
SymptomsThe images, videos, and other documents have the “.byya” extension and cannot be opened by any programs
Fix Tool Trojan Killer – ransomware infections tool. 14-day free trial.

Byya is file-encrypting ransomware that prevents normal access to your text files, Excel tables, videos and images by encrypting them. It marks the ciphered files with the “.byya” extension. Then Byya ransomware adds a money ransom note (readme.txt) to each folder. In this note, you can see the guidance to pay the ransom ($490-$980 in Bitcoin) to a certain BTC wallet. The AES-256 or RSA-1028 cipher it utilizes to cipher the documents is not decryptable with contemporary computers. Even quantum computers that already exist will likely spend thousands of years to brute force the decryption key.

How dangerous is the Byya ransomware?

When Byya ransomware gets on your computer, it will check your disks for images, videos, and important documents. It [ciphers all widespread file formats- .psd, .doc, .docx, .xls, .xlsx, .pdf, .jpeg, .png, et cetera. When these files are located, the ransomware will cipher them and also change their extension to “.byya” to ensure that you understand what happened.

After the Byya ransomware encrypted the files on your computer, it will generate the last “readme.txt” file on the main screen. Besides the ransom transactioning instructions, the victims also see the email addresses to contact the fraudsters – helprestoremanager@airmail.cc and manager@mailtemp.ch.

Here is the ransom note that the Byya ransomware shows to its victims:

ATTENTION!

Don't worry, you can return all your files!
All your files like pictures, 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:
https://we.tl/t-fhnNOAYC8Z
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:
manager@mailtemp.ch

Reserve e-mail address to contact us:
helprestoremanager@airmail.cc

How did the Byya ransomware get on my computer?

The Byya ransomware spreads by posting websites to get hacked programs or games. Cybercriminals that distribute this ransomware are very tricky, and try to keep in touch with modern trends. New games introductions, new popular movies – Byya creators make whatever to get their money on that. Some of the most common methods these crooks use is one-day websites with torrent downloading links. Nonetheless, pursuing the modern things is not the single tactic these crooks utilize. Options that have already turned into classic, such as e-mail spamming, are also standard for STOP/Djvu ransomware distribution.

Malicious email spam
The example of email spamming that may lead to Byya ransomware injection

Preventing this ransomware does not need a lot of initiative. Considering the regular rules of computer hygiene will considerably decrease all dangers. Keep in mind that opening all documents you get on email is not a good option. Even worse situation is to enable macros in Microsoft Office documents. But it is far better to prevent the malware intrusion at the moment when you have just opened the email message. Inspecting the sender’s address can point out a lot about what you can expect, and when you see things like “support@amazon.com”– it is likely a legitimate email. On the other hand, stuff that tries to appear like Amazon or FedEx shipment notification, however, uses the e-mail address of “amazonspurrot1363@gmail.com”– must make you be on the alarm. Above, you can see the illustration of such a message.

Outlaw sources of various digital things need some extra explanation. Violating copyright law surely exposes you to the danger of being fined. Nonetheless, utilizing torrent trackers or third-party websites to download “free” programs likewise exposes you to a wide range of malware. Nobody can control unidentified people who launch the torrent seeding or publish the hacked program version on the site with pirated software.

Byya virus removal instructions.

Download Trojan Killer Portable

Trojan Killer Portable Download

By downloading any software listed on this website you agree to our Privacy Policy and Terms of Use.

This guide below shows how to use Trojan Killer Portable3 for Byya virus detection and removal:

  • STEP 1. Download and install Trojan Killer.

  • STEP 2. Click on "Finish".

  • STEP 3. Wait until necessary updates are downloaded and installed.

  • STEP 4. Select computer scan type.

  • STEP 5. The software will begin scanning your computer.

  • STEP 6. Click on "Cure PC".

Restore the files encrypted by the Byya ransomware

In most cases, it’s impossible to recover the files encrypted by the Byya ransomware because the private key needed to unlock the encrypted files is only available through cybercriminals. However, we’ve listed one option you can use to recover your files below.

Warning! Make sure you remove the ransomware from your system first, otherwise, it will repeatedly encrypt your files.

If your files were encrypted with an offline key, there is a chance you can recover them by using Emsisoft Decryptor for the STOP/Djvu decryption tool. Follow the below guide to recover your files using the Emsisoft Decryptor for STOP/Djvu.

  1. You can download Emsisoft Decryptor for STOP Djvu by clicking this link.
  2. When the decryptor has finished downloading, double-click on “decrypt_STOPDjvu.exe” to run this program on your computer.
  3. Click the “Decrypt” button to start the decryption process for Byya files. The screen will switch to a status view, informing you about your files’ current process and decryption status.
  4. The decryptor will inform you once the decryption process will be finished. If you require the report for your records, you can save it by clicking the “Save log” button.

If the Emsisoft Decryptor can’t decrypt your .byya files and you do not plan on paying the ransom, it is advised that you make an image of the encrypted drives so that you can decrypt them in the future.

Your computer should now be free of the Byya ransomware infection. However, suppose your current antivirus allowed this malicious program on your computer. In that case, you might want to consider purchasing the full-featured version of Trojan Killer to protect against these types of threats in the future.

BYYA Ransomware — How To Remove Virus & Decrypt Files?

Name: BYYA Virus

Description: BYYA Virus is a STOP/DJVU family of ransomware-type virus. It encrypts files, video, photos, documents. Encrypted files can be tracked by a specific byya extension. BYYA ransomware asks victims for a ransom fee about $490 - $980 in Bitcoin.

Offer price: 480

Currency: $

Operating System: Windows

Application Category: Virus

Sending
User Review
4.08 (12 votes)
Comments Rating 0 (0 reviews)
  1. My files are encrypted by ransomware, what should I do now?
  2. About DJVU (STOP) Ransomware: https://gridinsoft.com/ransomware/djvu
  3. More about Trojan Killer: https://gridinsoft.com/trojankiller

Leave a Comment

Sending

About William Reddy

I am from Ireland. My parents bought me a computer when I was 11, and several months after I have got a virus on this PC. I decided to enter the INSA Centre Val de Loire university after being graduated from the school. This French educational institution was offering a brand-new cybersecurity course. After getting the master's degree in cybersecurity, I've started working as a virus analyst in a little anti-malware vendor.