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With the increased popularity of ransomware on PC platforms, ransomware targeting mobile operating systems has also proliferated. Typically, mobile ransomware payloads are blockers, as there is little incentive to encrypt data since it can be easily restored via online synchronization. [67]
The "ransomware as a service" model is a criminal variation of the "software as a service" business model. [3] This model allows small threat attackers to gain access to sophisticated ransomware tools at lower costs, also lowering the threshold of entry into cybercrime and complicating defenses against hacking. [4]
For example, when all computers in a network run the same operating system, upon exploiting one, one worm can exploit them all: [80] In particular, Microsoft Windows or Mac OS X have such a large share of the market that an exploited vulnerability concentrating on either operating system could subvert a large number of systems.
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 ]
A ransomware attack has shut down the computer system of the largest trial court in the country, officials with the Superior Court of Los Angeles County said. The Superior Court of Los Angeles ...
Winwebsec is the term usually used to address the malware that attacks the users of Windows operating system and produces fake claims similar to that of genuine anti-malware software. [ 15 ] SpySheriff exemplifies spyware and scareware: it purports to remove spyware, but is actually a piece of spyware itself, often accompanying SmitFraud ...
Rensenware was developed by Korean undergraduate student and programmer Kangjun Heo for Windows operating systems out of boredom as a joke within the Touhou Project fandom. [ 1 ] [ 2 ] When executed, the program scans and encrypts all files on the computer that end in certain extensions using AES-256 and appends ".RENSENWARE" to the filename ...
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.