What is Ryuk Ransomware?
Ryuk is the newest ransomware that has been spotted in early August 2018. If you have not heard about ransomware before, we’ll tell you. Ransomware is a type of virus that encrypts users’ data and then extorts money. Thus, all files on the infected computer become unavailable until they are decrypted. In case if you have been attacked by Ryuk Ransomware, there is no need to contact them and especially to make any concessions. Remember, you are up against fraudsters who don’t care about your files and whose the main purpose is to make a profit. Hence, there is a high risk of being left without decryptor and money. Instead, you may try using this guide to remove Ryuk Ransomware and decrypt files without spending any money.
This ransomware mostly penetrates the system via fraudulent emails attached with malicious files. Following infiltration, Ryuk Ransomware starts encryption procedure using RSA4096 and AES-256 ciphers. Once all the data is enciphered, ransomware drops RyukReadMe.txt file on the desktop. The variant of the ransom note depends on the type of affected computer.
Ransom note for ordinary users:
All files on each host in the network have been encrypted with a strong algorithm.
Backups were either encrypted or deleted or backup disks were formatted.
Shadow copies also removed, so F8 or any other methods may damage encrypted data but not recover.
We exclusively have decryption software for your situation
No decryption software is available in the public.
DO NOT RESET OR SHUTDOWN – files may be damaged.
DO NOT RENAME OR MOVE the encrypted and readme files.
DO NOT DELETE readme files.
This may lead to the impossibility of recovery of the certain files.
To get info (decrypt your files) contact us at
No system is safe
The variant of ransom note used for organizations, small businesses:
Your business is at serious risk.
There is a significant hole in the security system of your company.
We’ve easily penetrated your network.
You should thank the Lord for being hacked by serious people not some stupid schoolboys or dangerous punks.
They can damage all your important data just for fun.
Now your files are crypted with the strongest millitary algorithms RSA4096 and AES-256.
No one can help you to restore files without our special decoder.
Photorec, RannohDecryptor etc. repair tools are useless and can destroy your files irreversibly.
If you want to restore your files write to emails (contacts are at the bottom of the sheet) and attach 2-3 encrypted files
(Less than 5 Mb each, non-archived and your files should not contain valuable information
(Databases, backups, large excel sheets, etc.)).
You will receive decrypted samples and our conditions how to get the decoder.
Please don’t forget to write the name of your company in the subject of your e-mail.
You have to pay for decryption in Bitcoins.
The final price depends on how fast you write to us.
Every day of delay will cost you additional +0.5 BTC
Nothing personal just business
As soon as we get bitcoins you’ll get all your decrypted data back.
Moreover you will get instructions how to close the hole in security and how to avoid such problems in the future
+ we will recommend you special software that makes the most problems to hackers.
Attention! One more time !
Do not rename encrypted files.
Do not try to decrypt your data using third party software.
P.S. Remember, we are not scammers.
We don’t need your files and your information.
But after 2 weeks all your files and keys will be deleted automatically.
Just send a request immediately after infection.
All data will be restored absolutely.
Your warranty – decrypted samples.
No system is safe
Although Ryuk is a really dangerous virus, you still have a good chance to get them back. Before deciphering, you should first stay focused on removing Ryuk Ransomware to avoid re-infection. Once Ryuk Ransomware is removed, you can proceed with decryption. Both automatic and manual solution is presented here that we hope will help you remove Ryuk Ransomware and recover your files.
How to remove Ryuk ransomware?
To make sure that the ransomware won’t reappear, you need to delete Ryuk ransomware completely. For this, you need to remove the files and registry entries of the ransomware. We should warn you that performing some of the steps may require above-average skills, so if you don’t feel experienced enough, you may apply to the automatic removal tool.
Performing an antimalware scan with SpyHunter Removal Tool would automatically search out and delete all elements related to Ryuk ransomware. It is not only the easiest way to eliminate Ryuk ransomware but also the safest and the most assuring one.
How to decrypt files
Restore files with Data Recovery Pro
Data Recovery Pro is an essential tool in the fight against ransomware-type viruses that can recover encrypted files.
- Download Data Recovery Pro and launch it
- Select the drive you want to recover and click START SCAN
- After scanning is finished, you are presented with a list of recoverable files found.
- Select the required files and click the Recover
Decrypt files through our decryption service
You may try using our own service for decrypting files compromised by ransomware-type viruses. The analysis of data takes 3-5 days, after which, we will let you know whether it’s decryptable or not. Note: the service is paid, payment is charged only for decryption, the analysis is free. In order to use our service, you should fill out the form listed below.
Also, please add a log file, created on your PC:
- Click “Start” and type: “cmd.exe” in the search box
- Right-click “cmd.exe” and select “Run as administrator“
- In command line, type or copy/paste following: dir C:\ /a/s > “%userprofile%\dirc.log”
- Find and attach the created “%userprofile%\dirc.log” file to the web form
Please attach encrypted text files according to the following conditions:
- number of files should not exceed 4;
- file size is not more than 8 megabytes;
- files must be from different folders;
- files must be unique.
Restore the system
- Initiate the search for system restore
- Click on the result
- Choose the date before the infection appearance
- Follow the on-screen instructions
Roll the files back to the previous version
- Right-click the file and choose Properties
- Open the Previous Version tab
- Select the latest version and click Copy
- Click Restore
If the above-mentioned methods didn’t help in eliminating the threat, then it’s better to rely on an automatic way of deleting Ryuk Ransomware.
How to prevent ransomware infection
Dr.Web is a powerful antimalware software that can quickly detect and remove Ryuk Ransomware with all vicious components left among system files and registry entries to make sure that it is completely gone. It is capable of protecting not only home computers but also server systems in the large organizations. Another key feature of this program is that Dr.Web has its own decryption service available for free for clients of Dr.Web. Moreover, to avoid data loss in case the file system is damaged or infected with ransomware, it regularly creates back-up copies of your files. Having Dr.Web on the computer, you can not be afraid for the safety of your data. Just launch Dr.Web and it will take care of the rest.