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WannaCry Ransomware

WannaCry Ransomware Definition

WannaCry Ransomware is a type of malicious software, or malware, that encrypts the files on a user’s system and demands a ransom to be paid in Bitcoin to unlock them. It is a worldwide cyberattack that started in May 2017, affecting hundreds of thousands of computers in over 150 countries. The ransomware exploited a vulnerability in Microsoft’s Windows operating system, which had been identified by the National Security Agency (NSA) and leaked by a group known as The Shadow Brokers.

WannaCry Ransomware Key Points

  • WannaCry is a type of ransomware that encrypts files and demands a ransom to unlock them.
  • It exploited a vulnerability in Microsoft’s Windows operating system.
  • The ransomware attack started in May 2017 and affected hundreds of thousands of computers worldwide.
  • The ransom was demanded in Bitcoin, highlighting the use of cryptocurrencies in cybercrimes.

Who is affected by WannaCry Ransomware?

WannaCry Ransomware affected a wide range of users, from individual consumers to large corporations and government agencies. The attack was indiscriminate, affecting any system that had not applied the necessary security patch to fix the exploited vulnerability. Some of the most notable victims included the National Health Service in the UK, FedEx, Deutsche Bahn, and Telefonica.

What is the purpose of WannaCry Ransomware?

The primary purpose of WannaCry Ransomware is to extort money from victims. The malware encrypts the files on a user’s system, rendering them inaccessible. The user is then presented with a ransom note demanding payment in Bitcoin to unlock the files. The use of Bitcoin allows the attackers to remain anonymous and makes the transactions difficult to trace.

When did WannaCry Ransomware occur?

The WannaCry Ransomware attack began on May 12, 2017. Despite a kill switch being discovered and activated the same day, the attack had already spread rapidly, affecting hundreds of thousands of computers worldwide.

Where did WannaCry Ransomware originate?

The exact origin of WannaCry Ransomware is not known. However, some cybersecurity researchers and agencies, including the NSA, have linked it to the Lazarus Group, a cybercrime group believed to be associated with North Korea.

Why is WannaCry Ransomware significant?

WannaCry Ransomware is significant because it was one of the largest and most damaging cyberattacks in history. It highlighted the vulnerability of critical infrastructure to cyber threats and the potential for widespread disruption. The attack also underscored the importance of regular system updates and the need for robust cybersecurity measures.

How does WannaCry Ransomware work?

WannaCry Ransomware works by exploiting a vulnerability in Microsoft’s Windows operating system known as EternalBlue. Once it infects a system, it encrypts the user’s files and displays a ransom note demanding payment in Bitcoin. The ransomware also has a worm-like feature that allows it to spread to other unpatched Windows systems on the same network.

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