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The first attacks were on random users, typically infected through email attachments sent by small groups of criminals, demanding a few hundred dollars in cryptocurrency to unlock files (typically a private individual's photographs and documents) that the ransomware had encrypted. As ransomware matured as a business, organised gangs entered the ...
The CryptoLocker ransomware attack was a cyberattack ... the malware encrypted certain types of files ... Other instances of encryption-based ransomware that have ...
Cryptovirology refers to the study of cryptography use in malware, such as ransomware and asymmetric backdoors. [citation needed] Traditionally, cryptography and its applications are defensive in nature, and provide privacy, authentication, and security to users.
Jigsaw is a form of encrypting ransomware malware created in 2016. It was initially titled "BitcoinBlackmailer", but later came to be known as "Jigsaw" due to featuring an image of Billy the Puppet from the Saw film franchise. [1]
LockBit is a cybercriminal group proposing ransomware as a service (RaaS). Software developed by the group (also called ransomware) enables malicious actors who are willing to pay for using it to carry out attacks in two tactics where they not only encrypt the victim's data and demand payment of a ransom, but also threaten to leak it publicly if their demands are not met.
It uses stronger encryption (RSA-1024 and AES-256) and physically overwrites the encrypted file, making recovery nearly impossible. [ 9 ] Kaspersky Lab has been able to make contact with the author of the program, and verify that the individual is the real author, but have so far been unable to determine his real world identity.
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