Threat Database Ransomware Ryuk.B Ransomware

Ryuk.B Ransomware

By CagedTech in Ransomware
Published:
Last updated:

Threat Scorecard

Threat Level: 100 % (High)
Infected Computers: 18
First Seen: July 24, 2009
Last Seen: February 6, 2026
OS(es) Affected: Windows

The detection of Ryuk.B Ransomware on your system indicates a serious security threat that requires immediate attention. Ransomware is a type of malware that can cause significant damage to your files and data, and it's essential to take prompt action to mitigate its effects. In this report, we will provide an overview of the threat, its operating methods, symptoms of infection, and steps to remove it from your system.

What Is Ryuk.B Ransomware?

Ryuk.B Ransomware is a type of malware that encrypts files on a victim's system and demands a ransom in exchange for the decryption key. The name Ryuk.B Ransomware itself suggests that it is a variant of ransomware, but the specific details of its operation and impact can vary. Ransomware threats like Ryuk.B Ransomware are typically designed to spread through various means, including phishing emails, exploited vulnerabilities, and infected software downloads.

How Ryuk.B Ransomware Operates

Ransomware typically operates by encrypting files on a victim's system, making them inaccessible to the user. The encryption process can happen quickly, and the malware may also attempt to spread to other systems on the network. The attackers behind the malware will then demand a ransom, usually in cryptocurrency, in exchange for the decryption key. It's essential to note that paying the ransom does not guarantee that the decryption key will be provided or that the files will be restored.

Symptoms of Infection

Symptoms of a Ryuk.B Ransomware infection can include files being encrypted and becoming inaccessible, ransom demands displayed on the screen, and system performance issues. You may also notice that your files have been renamed or that you are unable to access certain folders or directories. In some cases, the malware may also attempt to disable system restore points or other security features to prevent recovery.

How to Remove Ryuk.B Ransomware

  1. Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for easier removal.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove any malware components.
  3. Uninstall any suspicious programs or applications that may be related to the malware.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
  5. Reboot your system and perform another full scan to ensure that all malware components have been removed.

It's essential to note that removal of the malware does not guarantee that your files will be restored. In some cases, the encrypted files may be unrecoverable, and you may need to rely on backups to restore your data.

Conclusion

The detection of Ryuk.B Ransomware is a serious security incident that requires immediate attention. By understanding how the malware operates, recognizing the symptoms of infection, and following the steps to remove it, you can help mitigate the damage and prevent further harm to your system and data. It's essential to remain vigilant and take proactive measures to protect your system and data from future threats, including keeping your software up to date, using strong antivirus protection, and being cautious when opening emails or downloading attachments from unknown sources.

Aliases

15 security vendors flagged this file as malicious.

Antivirus Vendor Detection
Fortinet W32/Yakes.AP!tr
AhnLab-V3 Trojan/Win32.Yakes
Microsoft Worm:Win32/Gamarue.F
Antiy-AVL Backdoor/Win32.Androm.gen
Sophos Mal/Katusha-J
AntiVir TR/Cridex.EB.21
Comodo TrojWare.Win32.Kryptik.AIDO
BitDefender Trojan.Generic.KDV.670829
Kaspersky Backdoor.Win32.Androm.cp
ClamAV Trojan.Zbot-23364
Avast Win32:Zbot-OWP [Trj]
Symantec Trojan.Ransomlock.W
F-Prot W32/Falab.F.gen!Eldorado
K7AntiVirus Password-Stealer
McAfee PWS-Zbot.gen.hv

SpyHunter Detects & Remove Ryuk.B Ransomware

File System Details

Ryuk.B Ransomware may create the following file(s):
# File Name MD5 Detections
1. syycum.dll e1c2fda8639b343c2ce702e617394992 0