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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 ...
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 ...
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.
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.
Indiscriminate attacks. These attacks are wide-ranging, global and do not seem to discriminate among governments and companies. Operation Shady RAT. World of Hell. Red October, discovered in 2012, was reportedly operating worldwide for up to five years prior to discovery, transmitting information ranging from diplomatic secrets to personal ...
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]
Conti is malware developed and first used by the Russia-based hacking group "Wizard Spider" in December, 2019. [1][2] It has since become a full-fledged ransomware-as-a-service (RaaS) operation used by numerous threat actor groups to conduct ransomware attacks. The Conti malware, once deployed on a victim device, not only encrypts data on the ...