Conti, Ryuk, and REvil are three of the most well-known and notorious ransomware groups that have caused significant damage and financial loss to organisations worldwide. Each of these groups has their own unique tactics and techniques, but they all share a common goal of extorting money from their victims through the use of ransomware attacks.
Conti
Conti is a ransomware group that emerged in 2020 and quickly became one of the most notorious and successful groups in the industry. They are believed to operate out of Russia and have targeted a wide range of organizations, including government agencies, healthcare providers, and manufacturing companies.
Conti gains access to their target’s network through phishing emails or exploiting vulnerabilities in their software. They then use a variety of techniques to spread their ransomware throughout the network and encrypt the victim’s data. Finally, they demand a ransom payment in exchange for the decryption key.
Conti is known for their aggressive tactics and has been known to demand large sums of money in exchange for the decryption key. They are also known to threaten their victims with public exposure of sensitive data if they do not pay the ransom.
Ryuk
Ryuk is a ransomware group that has been active since 2018 and has targeted a wide range of organizations, including hospitals, schools, and government agencies. They are believed to operate out of Russia or Eastern Europe and have been known to demand large ransom payments, often in the millions of dollars.
Ryuk gains access to their target’s network through phishing emails or by exploiting vulnerabilities in their software. They then use a variety of techniques to spread their ransomware throughout the network and encrypt the victim’s data. Finally, they demand a ransom payment in exchange for the decryption key.
Ryuk is considered to be a highly sophisticated group and has been known to use advanced techniques to evade detection by security software. They are known for their patience and attention to detail, often spending weeks or even months studying their target’s network before launching their attack. This allows them to identify the most critical systems and data and maximize their chances of extorting a large ransom payment.
REvil
REvil is one of the most well-known and prolific ransomware groups and is responsible for some of the largest and most high-profile attacks in recent years. They are believed to operate out of Russia and have targeted a wide range of organizations, including law firms, manufacturers, and healthcare providers.
REvil gains access to their target’s network through phishing emails or exploiting vulnerabilities in their software. They then use a variety of techniques to spread their ransomware throughout the network and encrypt the victim’s data. Finally, they demand a ransom payment in exchange for the decryption key.
REvil is known for their aggressive tactics and has been known to demand millions of dollars in ransom payments. They often threaten to leak sensitive data if the victim does not pay, which can result in significant reputational damage and regulatory fines. They also use sophisticated encryption techniques to make it difficult for security software to detect and remove their ransomware.
