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The website contains instructions that demand a ransom payment between 0.5 and 1 bitcoin (as of November 2017, one bitcoin varies in value between $9,000 and $10,000 via a bitcoin exchange). Since the criminals possess the private key and the remote servers are controlled by them, the victims are motivated to pay to decrypt their files.
This is an accepted version of this page This is the latest accepted revision, reviewed on 2 February 2025. Computer program that modifies other programs to replicate itself and spread Hex dump of the Brain virus, generally regarded as the first computer virus for the IBM Personal Computer (IBM PC) and compatibles A computer virus is a type of malware that, when executed, replicates itself by ...
Trojan Files with the LNK extension (expression) is a Windows shortcut to a malicious file, program, or folder. A LNK file of this family launches a malicious executable or may be dropped by other malware. These files are mostly used by worms to spread via USB drives (i.e.).
Cascade-17Y4, which is reported to have originated in Yugoslavia, is almost identical to the most common 1704 byte variant. One byte has been changed, probably due to a random "mutation". This, however, has resulted in a "bug" in the virus. Another mutated variant is also known - it infects the same file over and over.
Samy (also known as JS.Spacehero) is a cross-site scripting worm that was designed to propagate across the social networking site MySpace by Samy Kamkar.Within just 20 hours [1] of its October 4, 2005 release, over one million users had run the payload [2] making Samy the fastest-spreading virus of all time.
Appearance of Lehigh virus (discovered at its namesake university), [20] boot sector viruses such as Yale from the US, Stoned from New Zealand, Ping Pong from Italy, and appearance of the first self-encrypting file virus, Cascade. Lehigh was stopped on campus before it spread to the "wild" (to computers beyond the university), and as a result ...
An XSS worm, sometimes referred to as a cross site scripting virus, [1] is a malicious (or sometimes non-malicious) payload, usually written in JavaScript, that breaches browser security to propagate among visitors of a website in the attempt to progressively infect other visitors. [2]
Sality is a family of polymorphic file infectors, which target Windows executable files with the extensions .EXE or .SCR. [1] Sality utilizes polymorphic and entry-point obscuring (EPO) techniques to infect files using the following methods: not changing the entry point address of the host, and replacing the original host code at the entry point of the executable with a variable stub to ...