How are virus created?

Computer system viruses are developed by individuals who want to trigger harm to others, or who want to get control over someone else's computer system.  types of computer viruses Once the infection is running, it can do anything its creator desires it to, including deleting files, taking data, or sending out spam.A virus is a sort of destructive code or program that, when executed, duplicates by putting itself right into various other computer system programs, information documents, or the boot industry of the hard drive. Therefore, trojan horse can spread out throughout a network of computer systems and trigger severe damages.