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After carrying out the above payload, the virus hangs the operating system, requiring users to perform a Hard boot by forcibly shutting the machine down by cutting the power, then turning the machine back on. Afterwards, the PC is completely unusable, as all .bat, .com, .exe, .ht, .hta, .pif and .scr files have been hooked to the virus itself ...
Petya is a family of encrypting malware that was first discovered in 2016. [2] The malware targets Microsoft Windows–based systems, infecting the master boot record to execute a payload that encrypts a hard drive's file system table and prevents Windows from booting.
Conficker, also known as Downup, Downadup and Kido, is a computer worm targeting the Microsoft Windows operating system that was first detected in November 2008. [2] It uses flaws in Windows OS software (MS08-067 / CVE-2008-4250) [3] [4] and dictionary attacks on administrator passwords to propagate while forming a botnet, and has been unusually difficult to counter because of its combined use ...
Because a worm is not limited by the host program, worms can take advantage of various operating system vulnerabilities to carry out active attacks. For example, the "Nimda" virus exploits vulnerabilities to attack. Complexity. Some worms are combined with web page scripts, and are hidden in HTML pages using VBScript, ActiveX and other ...
This virus is a multipartite virus, so it has several methods by which it can infect and spread: disk boot sectors as well as .COM and .EXE files. Because of this, how the virus works is dependent upon the origin of the virus (boot sector or program). When a contaminated program is executed, the virus resides in memory, taking 5 kB.
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.