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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 ...
The first IBM PC virus in the wild was a boot sector virus dubbed (c)Brain, created in 1986 by the Farooq Alvi brothers in Pakistan. [14] Malware distributors would trick the user into booting or running from an infected device or medium. For example, a virus could make an infected computer add autorunnable code to any USB stick plugged into it.
By around June 30, it had infected 1.7 million computers, and it had compromised between 1 and 10 million computers by September. [46] Thought to have originated from Russia, it disguises itself as a news email containing a film about bogus news stories asking the user to download the attachment which it claims is a film.
Like biological viruses, computer viruses also have a knack for spreading like wildfire. However, their modus operandi is to copy their codes copiously into other programs with one malicious goal ...
7.1.5 Joint effort and other states and targets. ... 7.3 Stuxnet 2.0 cyberattack. ... "The attack is still ongoing and new versions of this virus are spreading." He ...
On hard disks, the virus moves the original master boot record to cylinder 0, head 0, sector 7. On floppy disks, if the disk is 360 KB, the virus moves the original boot sector to cylinder 0, head 1, sector 3. On other disks, the virus moves the original boot sector to cylinder 0, head 1, sector 14. This is the last directory of the 1.2 MB disks.