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Anna Kournikova, namesake of the virus. The virus was created by 20-year-old Dutch student Jan de Wit, who used the pseudonym "OnTheFly", on 11 February 2001. [2] It was designed to trick email users into opening an email attachment, ostensibly an image of Russian tennis player Anna Kournikova but instead hiding a malicious program.
Once a file has been rejected by the AOL email service as containing a virus, it can’t be sent even if the virus is cleaned by a virus scan on your computer. You’ll need to use another email service to send your file to the intended recipient.
Zeus is very difficult to detect even with up-to-date antivirus and other security software as it hides itself using stealth techniques. [5] It is considered that this is the primary reason why the Zeus malware then had become the largest botnet on the Internet: Damballa estimated that the malware infected 3.6 million PCs in the U.S. in 2009. [6]
The adjacent image is a corrupted image file in which most of the information has been lost. Some types of malware may intentionally corrupt files as part of their payloads , usually by overwriting them with inoperative or garbage code, while a non-malicious virus may also unintentionally corrupt files when it accesses them.
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 ...
Due to the popularity of botnets among hackers and the availability of advertising services that permit authors to violate their users' privacy, Trojans are becoming more common. According to a survey conducted by BitDefender from January to June 2009, "Trojan-type malware is on the rise, accounting for 83% of the global malware detected in the ...
It also allows for "Sparse Images"; where some parts of the image have greater resolution than others, an example of which can be found on the Seadragon Ajax home page; The bike image displayed is a sparse image. [5] Though used in the proprietary Deep Zoom, the dzi format is open and able to be used by anyone.
Anti-virus software vendors can receive copies of files that were flagged by other scans but passed by their own engine, to help improve their software and, by extension, VirusTotal's own capability. Users can also scan suspect URLs and search through the VirusTotal dataset.