Ryuk Ransomware Definition
Ryuk Ransomware is a type of malicious software that encrypts the victim’s files and demands a ransom to restore access. It is known for its targeted attacks on large organizations, particularly in the healthcare and public sectors. The ransomware is named after a character in the popular manga series “Death Note” and is believed to have originated from North Korea.
Ryuk Ransomware Key Points
- Ryuk Ransomware is a type of malware that encrypts files on a victim’s computer or network, rendering them inaccessible until a ransom is paid.
- It is known for its targeted attacks on large organizations, particularly in the healthcare and public sectors.
- The ransomware is named after a character in the popular manga series “Death Note”.
- Ryuk is believed to have originated from North Korea and is often associated with the Lazarus Group, a cybercrime group linked to the North Korean government.
What is Ryuk Ransomware?
Ryuk Ransomware is a type of malware that encrypts files on a victim’s computer or network, rendering them inaccessible. The attackers then demand a ransom from the victim in exchange for the decryption key. Ryuk is known for its targeted attacks on large organizations, particularly in the healthcare and public sectors. It is named after a character in the popular manga series “Death Note”.
Who is behind Ryuk Ransomware?
Ryuk is believed to have originated from North Korea and is often associated with the Lazarus Group, a cybercrime group linked to the North Korean government. However, the exact identity of the individuals or group behind Ryuk is unknown.
When was Ryuk Ransomware first identified?
Ryuk was first identified in August 2018. Since then, it has been responsible for numerous high-profile attacks, causing significant disruption and financial loss.
Where is Ryuk Ransomware most prevalent?
Ryuk has been used in attacks worldwide, but it is most prevalent in the United States. It has targeted a wide range of sectors, but has been particularly active in the healthcare and public sectors.
Why is Ryuk Ransomware significant?
Ryuk is significant due to its targeted nature and the scale of its attacks. Unlike many other types of ransomware, which are spread indiscriminately, Ryuk is often used in targeted attacks against specific organizations. These attacks can cause significant disruption and financial loss.
How does Ryuk Ransomware work?
Ryuk typically gains access to a victim’s network through a phishing email or other form of social engineering. Once inside the network, it uses a variety of techniques to move laterally and escalate privileges. It then encrypts files on the network, rendering them inaccessible. The attackers then demand a ransom from the victim in exchange for the decryption key.
