How does ryuk ransomware work

Ryuk ransomware encrypts a computer's files, data, and system access, making it impossible to retrieve information or gain entry to programs. It also breaks the Windows System Restore option, forcing victims to choose between losing data or paying the ransom.

1. Who is behind Ryuk ransomware?
2. What operating system does the ransomware Ryuk run on?
3. Is Ryuk a ransomware?
4. How does REvil ransomware attack?
5. How Ryuk ransomware is distributed?
6. Do ransomware attackers ever get caught?
7. What are the characteristics of Ryuk ransomware?
8. Can ransomware be beaten?
9. When did Ryuk ransomware start?
10. What is the most famous ransomware?
11. Who created REvil ransomware?
12. Who is behind REvil ransomware?
13. Who is the father of ransomware?
14. Who created Mirai malware?
15. Who shut down REvil?
16. What is the most famous ransomware?
17. What type of ransomware does REvil use?

Who is behind Ryuk ransomware?

Intelligence suggests that the hacker group WIZARD SPIDER is behind Ryuk ransomware. WIZARD SPIDER could be operating from Russia, since Hermes was originally advertised on “exploit(.) in.” This Russian-speaking forum is a well-known marketplace for selling malware to criminal gangs.

What operating system does the ransomware Ryuk run on?

Like most malware, Ryuk ransomware targets the most widely distributed operating system: Windows. The ransom is expected to be paid in Bitcoin.

Is Ryuk a ransomware?

Ryuk is ransomware version attributed to the hacker group WIZARD SPIDER that has compromised governments, academia, healthcare, manufacturing, and technology organizations. In 2019, Ryuk had the highest ransom demand at USD $12.5 million, and likely netted a total of USD $150 million by the end of 2020.

How does REvil ransomware attack?

How does REvil work? At its core, REvil works like most other ransomware. After getting onto the victim's device, it encrypts their files with a key that only the hackers have. With the victim at their mercy, they can then demand a ransom for the victim to get their files back.

How Ryuk ransomware is distributed?

Spam email is one of the most common methods. TrickBot also spreads through the preexisting Emotet botnet, which uses malicious emails — specifically, Word document email attachments — to infect computers. Once TrickBot infects a device, the Wizard Spider group can use it to install Ryuk ransomware.

Do ransomware attackers ever get caught?

However, arrests and prosecutions are still very much in the minority when it comes to ransomware attacks. Ransomware is a burgeoning industry with an ever-widening network of criminals to carry out attacks, and it has been difficult to locate — let alone prosecute — many of these malicious actors.

What are the characteristics of Ryuk ransomware?

Ryuk encrypts files such as photos, videos, databases, and documents – all the data you care about – using AES-256 encryption. The symmetric encryption keys are then encrypted using asymmetric RSA-4096. Ryuk is able to encrypt remotely, including remote administrative shares.

Can ransomware be beaten?

With strong resiliency measures like full-replication disaster recovery, businesses can easily defeat a ransomware attack.

When did Ryuk ransomware start?

History of Ryuk ransomware

Ryuk was first noticed around August of 2018 when large organizations began noticing that they were being targeted specifically by Wizard Spider and other hacker organizations.

What is the most famous ransomware?

Some of the most advanced cybercriminals are monetizing ransomware by offering ransomware-as-a-service programs, which has led to the rise in prominence of well-known ransomware like CryptoLocker, CryptoWall, Locky, and TeslaCrypt. These are some examples of common types of advanced malware.

Who created REvil ransomware?

The shutdown of REvil

According to Reuters, a Moscow court identified the two accused as Roman Muromsky and Andrei Bessonov and remanded them in custody for two months. Muromsky was a web developer who designed websites for a shop called “Motohansa” selling motorcycle spare parts.

Who is behind REvil ransomware?

On 8 November 2021, the United States Department of Justice unsealed indictments against Ukrainian national Yaroslav Vasinskyi and Russian national Yevgeniy Polyanin. Vasinskyi was charged with conducting ransomware attacks against multiple victims including Kaseya, and was arrested in Poland on 8 October.

Who is the father of ransomware?

The ransomware attack method made its debut in 1989 when the “father of ransomware,” Joseph Popp, distributed 20,000 infected floppy disks labeled “AIDS Information - Introductory Diskettes” to attendees of the World Health Organization's AIDS Conference.

Who created Mirai malware?

Krebs stated that the likely real-life identity of Anna-senpai (named after Anna Nishikinomiya, a character from Shimoneta), the author of Mirai, was actually an Indian-American Paras Jha, the owner of a DDoS mitigation service company ProTraf Solutions and a student of Rutgers University.

Who shut down REvil?

MOSCOW — Russia's main security agency said on Friday that at the request of the United States government it had dismantled REvil, one of the most aggressive ransomware crime groups attacking Western targets, and arrested some of its members.

What is the most famous ransomware?

Some of the most advanced cybercriminals are monetizing ransomware by offering ransomware-as-a-service programs, which has led to the rise in prominence of well-known ransomware like CryptoLocker, CryptoWall, Locky, and TeslaCrypt. These are some examples of common types of advanced malware.

What type of ransomware does REvil use?

Similar to some other ransomware families, however, REvil is what is also called a Ransomware-as-a-Service (RaaS). Ransomware-as-a-Service is where a group of people maintain the code and another group, known as affiliates, spread the ransomware.