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Ransomware attacks are typically carried out using a Trojan, entering a system through, for example, a malicious attachment, an embedded link in a phishing email, or a vulnerability in a network service. The program then runs a payload, which locks the system in some fashion, or claims to lock the system but does not (e.g., a scareware program).
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.
TorrentLocker is a ransomware trojan targeting Microsoft Windows. [ 1 ] [ 2 ] It was first observed in February 2014, with at least five of its major releases made available by December 2014. [ 3 ] The malware encrypts the victim's files in a similar manner to CryptoLocker by implementing symmetric block cipher AES where the key is encrypted ...
An example message with Locky as an attachment is the following: Dear (random name): Please find attached our invoice for services rendered and additional disbursements in the above-mentioned matter. Hoping the above to your satisfaction, we remain. Sincerely, (random name) (random title)
Alphv and a related strain of ransomware, Blackcat, have contributed to the collection of more than $200 million in ransom payments since late 2021, according to a spokesperson for Chainalysis, a ...
Jigsaw is activated if a user downloads the malware program which will encrypt all user files and master boot record. [4] Following this, a popup featuring Billy the Puppet will appear with the ransom demand in the style of Saw's Jigsaw (one version including the "I want to play a game" line from the franchise) for Bitcoin in exchange for ...
A logic bomb is a piece of code intentionally inserted into a software system that will set off a malicious function when specified conditions are met. For example, a programmer may hide a piece of code that starts deleting files (such as a salary database trigger), should they ever be terminated from the company.
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]
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