How does a computer virus attack and spread?
Answers
Answer:
A computer virus is a form of malicious software that piggybacks onto legitimate application code in order to spread and reproduce itself. Like other types of malware, a virus is deployed by attackers to damage or take control of a computer. Its name comes from the method by which it infects its targets.
Answer:
A computer virus spread by:-
1)When an infected file gets run or opened ,computer virus program makes a copy of itself and resides in memory.
2)It then creates a copy of computer virus file.
3)Whenever you open an application or a file it will attach this copy to open file.That means, now the open application/file is now infected with virus.
4)After this, whenever the file is send to other computer the other computer will also get affected.
A virus attacks a computer by attaching or inserting to a legitimate program or document that supports macros in order to execute its code.