These are destructive software or malicious one which exists in the form of computer virus, computer worm, trojan or trojan horse which may get attached to email or gets in a file while downloading from a website or via compact discs. In the world of cyber era these software are highly dangerous. The types of Malware are as follows:
- Computer Virus: It is a malicious programme which is written with the intention of slowing down the system operation or to delete the file. The reason they are called virus because they are easily spreads to other machines to which the communicate.
- Computer worm: It is a self-replicating malicious programme i.e. it multiplies on its own, such that it keeps on creating up its copies and eats up entire disc space or memory. It is self installing, harder to detect and it tries to erase or steal the data from the hard disk. It is more dangerous than virus. Eg ILOVEYOU ,MSBlast etc.
- Trojan/Trojan horse: It is a malicious programme that comes to the system disguised as the useful application programme and when it is opened the Trojan starts executing and 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube
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