RYUK Ransomware Recovery

Has your network been infected by RYUK ransomware? Stay calm. We’re here to help. RYUK ransomware is one of the more prevalent strains of ransomware, and is know to affect organizations of all sizes. This page contains essential information and data about RYUK ransomware, decryption, removal, and recovery. Please review the information below or contact our support team now for a FREE consultation and get immediate help with RYUK ransomware recovery.

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How do I know if RYUK has infected my system?

Operating since August 2018, the Russia-based criminal group SPIDER WIZARD is one of the most notorious and successful ransomware gangs active today. They are responsible for RYUK ransomware, which has hit major organizations like the Irish Health Service and health care infrastructure in the United States.

The group is also known for the “Trickbot” banking malware, which has targeted financial service providers worldwide. So far a wide assortment of organizations have fallen victim to RYUK, including multinational corporations, NGOs and governments.

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Several types of messages and notifications appear informing you that your data is encrypted.
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File extensions change to .RYK
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Your desktop wallpaper may or may not change.
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CPU utilization is 100%, despite not using any applications
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The system is extremely slow and sluggish.
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The Hard Disk or SSDs of your network are operating continuously and draining resources.
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Your antivirus protection stops working.
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Keep calm! Contact us, and we can help you!

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

If you’ve fallen victim to ransomware, follow these crucial steps:

1

Request 24/7 Ransomware Recovery Help

Get expert guidance to assess, contain, and recover safely.

2

Isolate Infected Systems

Disconnect infected devices to stop the spread. Avoid self-recovery.

3

Preserve Evidence Immediately

Keep ransom notes & logs. Do not restart or modify anything.

RYUK ransomware statistics & facts

RANSOM AMOUNTS

Since the victims of RYUK attacks are often enterprises and large organizations, the ransom amount is usually higher than with other ransomware variants.

However, these attackers have been known to demand different amounts based on the data they have on the organization. The average RYUK ransom amount is somewhere between $100,000–$350,000. However, in some cases, attackers have made demands as high as $800,000 to over $1 Million. If purchasing Bitcoin using quick-buy methods like credit card or PayPal, an additional 10% fee will be charged on top of this by cryptocurrency exchanges.

AVERAGE RANSOM, USD $

AVERAGE LENGTH

The downtime is longer than normal attacks due to the manual process of email-based communication with the attackers, which adds a considerable delay in the response time and data recovery process.

Since this is an enterprise-level attack, the longer your systems and files are held hostage, the costlier it will be in terms of PR damage. Your goal should be to get your systems back to productive state as soon as possible. The best way to do this is to call in experts like BeforeCrypt, who have a vast knowledge of this ransomware. We can help you in getting your network back up running.

CASE OUTCOMES

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.

COMMON ATTACK VECTORS

It is in most cases either Remote Desktop Protocol or email Phishing are the 2 leading attack vectors. Unfortunately, even enterprises fail to secure their open RDP ports.

Due to an increase in remote working, a lot of employees now work from home using remote desktop control, leaving the company’s network exposed to hackers and all sorts of cyber criminals. But it isn’t limited to Remote Desktop Protocol.

In fact, the most common methods of this ransomware distribution is email phishing.

Name
RYUK Virus / RYUK Ransomware / Cryptor 2.0 Ransomware
Danger level
Very High. Advanced Ransomware which makes system changes and encrypts files
Release date
August, 2018
OS affected
Microsoft Windows
Appended file extensions
.ryk
Ransom note
RyukReadMe.txt, ReadMe.txt, UNIQUE_ID_DO_NOT_REMOVE.txt or RyukReadMe.html

How to identify RYUK ransomware

RYUK.txt
Gentlemen! 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] Or [email protected] BTC wallet: Ryuk No system is secure

RYUK decryptor demonstration

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Frequently asked questions

How Does Ransomware Encrypt Files?

Ransomware encrypts files using advanced cryptographic algorithms, typically AES (Advanced Encryption Standard) or RSA (Rivest-Shamir-Adleman). Once executed, the malware scans the system for specific file types and encrypts them, making them inaccessible to the user. Some variants use symmetric encryption (AES), while others combine it with asymmetric encryption (RSA) to lock files with a unique key pair.

Can You Decrypt My Ransomware Encrypted Files?

Decryption depends on the ransomware variant. In some cases, publicly available decryption tools exist, but not all attacks have a known solution. You can submit a free ransomware recovery request, and we will check for possible decryption methods.