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In computing, a Trojan horse (or simply Trojan) is a malware that misleads users of its true intent by disguising itself as a normal program. The term is derived from the ancient Greek story of the deceptive Trojan Horse that led to the fall of the city of Troy. [1] Trojans are generally spread by some form of social engineering.
Blackshades is a malicious trojan horse used by hackers to control infected computers remotely. The malware targets computers using operating systems based on Microsoft Windows . [ 2 ] According to US officials, over 500,000 computer systems have been infected worldwide with the software.
Trojan (some variants) April 2, 2002 Mass deletes files on infected computers. Certain variants show a caricature of U.S. President Bill Clinton. [6] Navidad [7] Emmanuel, W32.Wachit Mass mailer Trojan December 1, 2000 [8] South America Unknown Email appears to be in reply to someone the target has messages prior. [7]
Perform a PC health check at least once every three to six months to maintain optimal performance. Frequent checks are especially important if you notice any unusual behavior or performance issues ...
The blackmail is completed with the trojan dropping a text file in each directory, with instructions to the victim of what to do. An email address is supplied through which users are supposed to request for their files to be released after paying a ransom of $100–200 to an e-gold or Liberty Reserve account.
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]
AIDS replaces the AUTOEXEC.BAT file, which would then be used by AIDS to count the number of times the computer has booted. Once this boot count reaches 90, AIDS hides directories and encrypts the names of all files on drive C: (rendering the system unusable), at which time the user is asked to 'renew the license' and contact PC Cyborg Corporation for payment (which would involve sending US ...
This category is for Trojan horses, a form of computer malware. For the Greek legend about a hollow wooden horse that inspired the computing term, see Trojan horse . See also
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