Danger level:  
  (100/100)

Uninstall Ryuk virus (Uninstall Guide) - Jan 2019 updated

removal by Jake Doevan - - | Type: Ransomware

Ryuk ransomware – a file locking threat which has similarities with Hermes virus

Ryuk virus

Ryuk ransomware is a data encrypting computer virus which appears to be related to Hermes ransomware. This lets us speculate that both of these viruses come from the same developer. Even though this dangerous cyber threat uses specific encryption algorithms such as RSA-4096 and AES-256 to lock up files, no extension is added to the data. However, after the encryption process, Ryuk virus drops a ransom note named RyukReadMe.txt and places a copy of it in every file that is found. Some difficult and hardly identifiable keys are required for the decryption of locked files, so the crooks urge a particular ransom in exchange of the decryption tool. However, if the victim is late to pay the price, each delayed day a 0.5 BTC amount is added to the ransom. 

Name Ryuk
Type Ransomware
Sub-type Malware
Encryption algorithms RSA-4096, AES-256
Ransom message RyukReadMe.txt
Ransom Needs to be paid in BTC. With each delayed day an amount of 0.5 BTC is added to the ransom price
Email addresses eliasmarco@tutanota.com, CamdenScott@protonmail.com 
Relations The virus seems familiar with Hermes ransomware
Deletion Detect virus-related objects with Reimage and get rid of them ASAP 

Ryuk ransomware is an infamous computer virus which has already infected numerous companies and organizations worldwide. This virus can sneak into the targeted system by using stealth techniques, for example, ransomware can appear in the system through a rogue email message or its attached file/link. Furthermore, ransomware such as Ryuk virus can also infiltrate the computer through third-party web pages and their infected hyperlinks.

Once the RyukReadMe.txt ransom message is displayed, the crooks try to convince their victims that nobody is capable of helping them, except the developers themselves. Cybercriminals threaten gullible people that no other tool can be helpful and might cause only more damage. However, note that you should strongly consider all options no matter what the crooks say or promise you. There is a big chance to get scammed after the price transferring. Ryuk ransomware note:

Gentlemen!

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.

contact emails
eliasmarco@tutanota.com
or
CamdenScott@protonmail.com

BTC wallet:
15RLWdVnY5n1n7mTvU1zjg67wt86dhYqNj

Ryuk

No system is safe

As you can see, Ryuk ransomware offers communication via two given email addresses: eliasmarco@tutanota.com
or CamdenScott@protonmail.com. The crooks also provide their Bitcoin wallet address to which the ransom needs to be transferred: 15RLWdVnY5n1n7mTvU1zjg67wt86dhYqNj. Furthermore, crooks try to scare users that their files will be permanently terminated after a time period of 2 weeks. 

However, we suggest staying away from any contact with the crooks and avoiding money losses. What you should do is remove Ryuk virus from your computer system automatically. Additionally, note that you need to find all harmful objects in the system if you want to get rid of the infection permanently. We offer to scan your entire computer system with a reputable and expert-tested anti-malware tool such as Reimage. Feel free to use your own liked programs also.

Ryuk ransomware removal needs to be performed as soon as you spot encrypted files or the ransom note. Keeping such cyber threats in your computer system will bring only more harm. Some file locking threats are capable of eliminating Shadow Copies of encrypted documents, others might inject serious malware such as Trojan horses, and so on. Protect yourself from these possibilities and get rid of the virus ASAP. After that, check out data recovery methods which are provided below the article.

  Ryuk ransomware virus
Ryuk ransomware is a malicious computer infection which appears to be related to the infamous Hermes virus

Ransomware infections distribute in various stealth ways

If you are infected with a ransomware virus, there are several ways where the computer infection might have come from. The most popular ransomware distribution techniques are:

  • spam messages
  • rogue third-party downloading sources
  • infected software

To avoid these dangerous cryptoviruses, you should always be cautious while browsing the web or while performing any type of computing work. We suggest deleting all suspicious-looking email messages that you receive if you cannot identify the sender. Crooks often drop hazardous payload straight to random users' inbox or spam sections.

Moreover, be careful while downloading your software from the Internet. Avoid sites which are provided by secondary installers. Web pages such as Torrents, eMule, or The Pirate Bay can distribute malware easily. Furthermore, install reliable antivirus protection which will take care of your computer's safety automatically.

Ryuk ransomware
Ryuk ransomware - a cryptovirus which uses RSA-4096 and AES-256 ciphers to encrypt documents on the infected computer system

Get rid of Ryuk ransomware with antimalware software

Note that you can remove Ryuk virus only automatically as manual elimination might bring only more harm and damage your system's components. For the deletion process, we recommend selecting a reputable computer fixing tool, otherwise, you might not reach wanted results. Additionally, detect all malware-laden objects with programs such as Reimage, SpyHunter 5Combo Cleaner, or Malwarebytes.

After proceeding with the Ryuk ransomware removal, you can start thinking of ways how to recover your encrypted files. Below this article, you can find some data recovery methods that we have provided. Even though there is no 100% guarantee that all of them will be successful, it is definitely a better option than paying the cybercriminals and letting them benefit from you.

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What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. Reimage scans the entire computer system and checks whether it is infected with spyware/malware or not. If you want to remove computer threats and secure your computer system, you should consider buying the licensed version of Reimage.
Alternative Security Tools
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with SpyHunter 5.
Alternative Security Tools
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove Ryuk virus, follow these steps:

Eliminate Ryuk using Safe Mode with Networking

You can disable the ransomware virus by activating the Safe Mode with Networking function on your computer. Use these instructions for help:

  • Step 1: Restart your computer in Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Go to Start Shutdown Restart OK.
    2. As soon as your computer starts, start pressing F8 key repeatedly before the Windows logo shows up.
    3. Choose Safe Mode with Networking from the list Choose 'Safe Mode with Networking' option

    Windows 10 / Windows 8
    1. Click on the Power button at the Windows login screen, and then press and hold Shift key on your keyboard. Then click Restart.
    2. Then select Troubleshoot Advanced options Startup Settings and click Restart.
    3. Once your computer starts, select Enable Safe Mode with Networking from the list of options in Startup Settings. Choose 'Enable Safe Mode with Networking' option
  • Step 2: Remove Ryuk

    Sign in to your account and launch any Internet browser. Download a legitimate anti-malware software, for instance, Reimage. Make sure you update it to the latest version and then run a full system scan with it to detect and eliminate all malicious components of the ransomware to remove Ryuk completely.

If your ransomware does not allow you to access Safe Mode with Networking, please follow the instructions provided below.

Eliminate Ryuk using System Restore

System Restore might help you disable the malicious ongoing activity. Follow these guidelines to achieve such goal:

  • Step 1: Restart your computer in Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Go to Start Shutdown Restart OK.
    2. As soon as your computer starts, start pressing F8 key repeatedly before the Windows logo shows up.
    3. Choose Command Prompt from the list Choose 'Safe Mode with Command Prompt' option

    Windows 10 / Windows 8
    1. Click on the Power button at the Windows login screen, and then press and hold Shift key on your keyboard. Then click Restart.
    2. Then select Troubleshoot Advanced options Startup Settings and click Restart.
    3. Once your computer starts, select Enable Safe Mode with Command Prompt from the list of options in Startup Settings. Choose 'Enable Safe Mode with Command Prompt' option
  • Step 2: Perform a system restore to recover files and settings
    1. When the Command Prompt window appears, type in cd restore and press Enter. Type 'cd restore' without quotes and hit 'Enter'
    2. Then type rstrui.exe and hit Enter.. Type 'rstrui.exe' without quotes and hit 'Enter'
    3. In a new window that shows up, click the Next button and choose a restore point that was created before the infiltration of Ryuk and then click on the Next button again. When 'System Restore' wizard comes up, click 'Next'. Choose a preferable restore point and click 'Next'
    4. To start system restore, click Yes. Hit 'Yes' and start system restore
    After restoring the computer system to an antecedent date, install and check your computer with Reimage to uncover any remains of Ryuk.

Bonus: Restore your files

Using the tutorial provided above you should be able to eliminate Ryuk from the infected device. novirus.uk team has also prepared an in-depth data recovery guide which you will also find above.

If you have spotted files which are locked by Ryuk ransomware, you should avoid contacting the criminals and paying the demanded price. Rather than that, look through our below-provided methods which can be helpful in data recovery techniques.

There are a couple of methods you can apply to recover data encrypted by Ryuk:

Data Recovery Pro might be a helpful tool for you:

If you want to unlock some of your lost or corrupted documents, give this method a try./GIS]

[GIS=method-2]

Try this method to recover some of your data.

  • Download Data Recovery Pro;
  • Install Data Recovery on your computer following the steps indicated in the software’s Setup;
  • Run the program to scan your device for the data encrypted by Ryuk ransomware;
  • Recover the data.

Shadow Explorer tool might help you with data recovery purposes:

Use this tool if the virus did not damage Shadow Copies of corrupted files.

  • Download Shadow Explorer (http://shadowexplorer.com/);
  • Install Shadow Explorer on your computer following the instructions in the software’s Setup Wizard;
  • Run the program. Navigate to the menu on the top-left corner and select a disk containing your encrypted files. Look through the available folders;
  • When you find the folder you want to recover, right-click it and select “Export”. Also, choose where the recovered data will be stored.

There is no official Ryuk ransomware decryptor discovered yet.

It is strongly recommended to take precautions and secure your computer from malware attacks. To protect your PC from Ryuk and other dangerous viruses, you should install and keep a powerful malware removal tool, for instance, Reimage, SpyHunter 5Combo Cleaner or Malwarebytes.

About the author

Jake Doevan - Do not waste your precious time dealing with computer virus infections alone

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Source: https://www.2-spyware.com/remove-ryuk-ransomware.html

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