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CryptoLocker typically propagated as an attachment to a seemingly innocuous email message, which appears to have been sent by a legitimate company. [5] A ZIP file attached to an email message contains an executable file with the filename and the icon disguised as a PDF file, taking advantage of Windows' default behaviour of hiding the extension from file names to disguise the real .EXE extension.
WannaCry is a ransomware cryptoworm, which targets computers running the Microsoft Windows operating system by encrypting (locking) data and demanding ransom payments in the Bitcoin cryptocurrency. The worm is also known as WannaCrypt, [ 9 ] Wana Decrypt0r 2.0, [ 10 ] WanaCrypt0r 2.0, [ 11 ] and Wanna Decryptor. [ 12 ]
Ransomware attacks are typically carried out using a Trojan disguised as a legitimate file that the user is tricked into downloading or opening when it arrives as an email attachment. However, one high-profile example, the WannaCry worm , traveled automatically between computers without user interaction.
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]
One ransomware variant disables internet access and demands credit card information to restore it, while secretly mining bitcoins. [ 136 ] As of June 2018 [update] , most ransomware attackers preferred to use currencies other than bitcoin, with 44% of attacks in the first half of 2018 demanding Monero , which is highly private and difficult to ...
The Bitfinex cryptocurrency exchange was hacked in August 2016. [1] 119,756 bitcoins, worth about US$72 million at the time, was stolen.[1]In February 2022, the US government recovered and seized a portion of the stolen bitcoin, then worth US$3.6 billion, [2] by decrypting a file owned by Ilya Lichtenstein (born 1989) that contained addresses and private keys associated with the stolen funds. [3]
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.
Hive employed a wide variety of tactics, techniques, and procedures (TTPs), creating significant challenges for defense and mitigation. According to the Federal Bureau of Investigation (FBI), it functioned as affiliate-based ransomware, using multiple mechanisms to compromise business networks, including phishing emails with malicious attachments to gain access, and Remote Desktop Protocol ...