RYUK Ransomware Recovery

Has RYUK Ransomware hit your company? If files got encrypted and backups fail, it is a company wide emergency. This site provides all the important information about the RYUK ransomware itself, decryption, recovery, removal and statistics. Please review the information below or contact our support team, to get fast help with RYUK ransomware recovery.

RYUK Ransomware Recovery

How do I know if RYUK has infected my system?

RYUK Ransomware are Trojans that encrypt your entire PC or individual files. The Ransomware Trojan then asks you to pay a ransom to decrypt the data again.

  • There are a number of signs pointing to a RYUK ransomware infection:
  • You receive a message that your data is encrypted and that you have to pay a ransom.
  • The names of your files or file extensions change suddenly
  • The desktop wallpaper has suddenly disappeared
  • CPU utilization is 100%, although you hardly use any applications
  • Your computer reacts very slowly to commands
  • The hard disk seems to process data without pause
  • Your virus protection is deactivated and cannot be started

What should I do when my data has been encrypted by RYUK Ransomware?

Shut down your computer or server in the usual way and disconnect all network connections immediately, including any data storage devices and online cloud storage. For more details please visit the Ransomware Information site.

Do not pay the ransom or try to remove the RYUK ransomware trojan on your own. You should leave the removal of ransomware and, the subsequent recovery of your valuable company data, exclusively to experts.

BeforeCrypt can help you as a serious and highly-effective partner should you be infected by RYUK ransomware. Thanks to our experience and knowledge, we can recover 100% of your encrypted data in most cases.

Keep calm! Contact us, and we can help you!

Ransomware Recovery Ransomware Decryption


RYUK ransom amounts are usually a higher than other ransomware as attackers target enterprise businesses.

However, these attackers have been known to demand for varying amounts based on their perceived idea of the size of the organization. The average RYUK ransom amount is somewhere between $100,000–$350,000. There have been some attackers who have demanded for $800,000. In addition, approximately 10% of Bitcoin exchange fees will apply to the use of quick-buy methods such as PayPal or credit card.

  • RYUK Ransomware average ransom in USD $

The RYUK ransomware downtime is a bit longer than normal ransomware attacks. The manual process of email-based communication with the attackers can add a considerable delay in the response time.

Depending on your company size and how often you use IT-systems in your daily business, this is the most expensive part of this incident. Additional to the unavailability of your IT-systems, this is damaging your company reputation.

Your goal should be to get your systems back to a productive state as soon as possible. The best way to do this is to call in experts, which have a vast knowledge of RYUK ransomware and get the IT-systems back up running.

  • RYUK
  • All Ransomware

There is a high chance to get a working RYUK decryptor after paying the attackers. But there’s never a guarantee to get a working decryption key at all.

  • Paid Decryption Successful
  • Paid Decryption Failed

The most common attack vector for RYUK ransomware is an unsecured RDP-Connection (Remote Desktop Protocol). Followed up by phishing emails and security vulnerabilities.

  • Remote Desktop (RDP)
  • Phishing Emails
  • Security vulnerabilities
NameRYUK Virus / RYUK Ransomware / Cryptor 2.0 Ransomware
Danger levelVery High. Advanced Ransomware which makes system changes and encrypts files
Release dateAugust, 2018
OS affectedMicrosoft Windows
Appended file extensions.ryk
Ransom noteRyukReadMe.txt, ReadMe.txt, UNIQUE_ID_DO_NOT_REMOVE.txt or RyukReadMe.html
Contact email address[email protected] [email protected], [email protected], [email protected], [email protected]


RYUK Ransomware Note #1: HTML File

RYUK ransomnote-html

This is an average RYUK ransomware note.

RYUK Ransomware Note #2: Text file

RYUK ransomnote-txt


Your business is in serious danger.
There is a significant hole in your company’s security system. We just entered your network.

You should thank the Lord that you were hacked by serious people and not by stupid schoolboys or dangerous punks.
You can damage all your important data just for fun.

Now your files are encrypted using the strongest military algorithms RSA 4096 and AES-256.
Nobody can help you recover files without our special decoder.

Photorec, RannohDecryptor etc. repair tools are useless and can irrevocably destroy your files.

If you would like to restore your files, write an email to (Contacts are an the bottom of the leafes)
and attach 2-3 encrypted files (Each less than 5Mb, not archived and your files should not contain
valuable information (Databases, backups, large Excel data sheets, etc.).
You will receive decrypted samples and our conditions on how to get the decoder.
Don’t forget to write the framework of your company in the subject of your email.

You have to pay for decryption in bitcoins. The final price depends on how quickly you write to us.
Every day of delay will cost you an additional +0.5 BT. Nothing personal, just business

As soon as we get bitcoins, you will get back all of your decrypted data.
You will also receive instructions on how to close the vulnerability
and so you avoid such problems in the future
+ We recommend special software that makes hackers most troubled.

Danger! Once again!

Do not rename encrypted files.
Do not try to decrypt your data with third party software.

P.S. Remember, we are not cheaters.
We don’t need your files and information.
But after 2 weeks, your files and keys will be deleted automatically.
Just send a request right after the infection.
All data will be absolutely restored.
Your guarantee – decrypts samples.

Contact emails
[email protected]
[email protected]

BTC wallet:


No system is secure

Almost always, there is a * .txt or *.html file in every folder that has been encrypted. The text file usually has the name “RyukReadMe.txt” or “RyukReadMe.html” and contains all the necessary information to contact the RYUK Ransomware attackers to get your data back. It’s usually safe to open this file, just be sure the full file extension is *.txt or *.html.

RYUK Ransomware: Modified Filename Extensions


RYUK ransomware file names just show a different file extension. Unlike other ransomware variants, RYUK don’t includes an attacker email address or a unique ID in the filename.

“file name.pdf.RYK”



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This is an average RYUK attack. Copyright by GrujaRS / Predrag Grujić.


RYUK ransomware encrypts files with an AES-265 bit and RSA-4096 encryption algorithm.

Depending on the variant of RYUK ransomware, it could be possible that there’s a publicly available decryption method. Please use our request form, and we can check this for free for you. You can also use free websites to check this, too.

  1. Backup, Backup, Backup! Use a separated backup destination like a secure cloud storage provider or a local backup medium, which gets physically disconnected after a successful backup run.
  2. Install a Next-Gen-Antivirus. It combines a classic signature-based antivirus with powerful exploit protection, ransomware protection and endpoint detection and response (EDR).
  3. Install a Next-Gen-Firewall. A Next-Gen-Firewall is also called Unified threat management (UTM) firewall. It adds a layer of security at every entry and exit point of your company data communication. It combines classic network security with intrusion detection, intrusion prevention, gateway antivirus, email filtering and many more.

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