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The WannaCry ransomware attack was a worldwide cyberattack in May 2017 by the WannaCry ransomware cryptoworm, which targeted computers running the Microsoft Windows operating system by encrypting data and demanding ransom payments in the Bitcoin cryptocurrency. [4] It was propagated by using EternalBlue, an exploit developed by the United ...
Rhysida (hacker group) Rhysida is a ransomware group that encrypts data on victims' computer systems and threatens to make it publicly available unless a ransom is paid. [1] The group uses eponymous ransomware-as-a-service techniques, targets large organisations rather than making random attacks on individuals, and demands large sums of money ...
Play (also Play Ransomware or PlayCrypt) is a hacker group responsible for ransomware extortion attacks on companies and governmental institutions. The group emerged in 2022 and attacked targets in the United States, [ 1 ] Brazil, [ 2 ] Argentina, [ 2 ] Germany, [ 3 ] Belgium [ 3 ] and Switzerland.
Ransomware is a type of malware that permanently blocks access to the victim's personal data unless a "ransom" is paid. While some simple ransomware may lock the system without damaging any files, more advanced malware uses a technique called cryptoviral extortion. It encrypts the victim's files, making them inaccessible, and demands a ransom ...
The city of Albany in the U.S. state of New York experiences a ransomware cyber attack. [127] [128] April: Computer systems in the city of Augusta, in the U.S. state of Maine, are seized by hackers using ransomware. [129] [130] The City of Greenville (North Carolina)'s computer systems are seized by hackers using ransomware known as RobbinHood.
Ryuk (ransomware) Ryuk is a type of ransomware known for targeting large, public-entity Microsoft Windows cybersystems. It typically encrypts data on an infected system, rendering the data inaccessible until a ransom is paid in untraceable bitcoin. [1] Ryuk is believed to be used by two or more criminal groups, most likely Russian or Ukrainian ...
Hidden Tear is the first open-source ransomware trojan that targets computers running Microsoft Windows [1] The original sample was posted in August 2015 to GitHub. [2]When Hidden Tear is activated, it encrypts certain types of files using a symmetric AES algorithm, then sends the symmetric key to the malware's control servers. [3]
The Shadow Brokers. The Shadow Brokers (TSB) is a hacker group who first appeared in the summer of 2016. [1][2] They published several leaks containing hacking tools, including several zero-day exploits, [1] from the "Equation Group" who are widely suspected to be a branch of the National Security Agency (NSA) of the United States. [3][4 ...