Why are computer viruses created, how does the creator benefit?

NO Need Answer this Question, Peoples know very well about all Antivirus and Software Companies....
( And First Time Virus Creation for not only for Disturbing OS, They Used the Viruses as Spyware to Collect Data in Military and Some Important Government Systems and Banking Sectors...
) Now Its just a Business.

because that is business, virus creatures are the same people who create anti-viruses software..so this way they can create money ...that's how they get their benefits.

Viruses are written for a number of reasons but most virus programmers are motivated either by financial or technical gains.
A discrete and professional programmer can make large amounts of money for designing and programming a virus.
A lot of computer viruses do not seem that bad and will only send messages to the user as a joke, but the prank computer virus is a thing of the past.
The most dangerous type of virus is financially backed, well programmed, and will infect millions of computers without giving the computer users the slightest clue.
What most people do not realize about computer viruses is the extent of their destruction and their unseen benefits.
Most computer viruses are made by highly skilled individuals and sometimes commissioned by illegal organizations.
Just as companies hire the best programmers to write their programs, illegal organizations also hire top programmers to write viruses.
Computer viruses are made for a number of reasons.
Some computer viruses are made as a proof of concept for research purposes but most are made for some sort of illegal activity whether it be to shut down a website through a disturbed denial of service attack or to steal personal information such as social security and credit card numbers off a victim’s computer.

it were made to subvert some companies  and was now between individuals

Hacker creates viruses to steal personal/sensitive information which they use for variety of purposes.

Also that's how companies sell antivirus and security softwares/tools

 

Viruses are created by those who promote their product because Antivirus itself a big virus.
If someone generate a virus in worldwide every layman in this world became afraid of this that ooh virus is in my laptop or computer, hence in that case they want Antivirus for cleaning their system.
But Antivirus slows down the system more than the virus because everytime Antivirus wants updates and it goes directly in to system's files and in the end computer slows down.
Best Possible solution is to keep track of outsource media like USB, and never install any unauthorized software from internet this can also corrupt your operating system.......

virus create by a script you write some codes not any codes then you will have your virus most of the anti-virus companies the have some people there job to create a virus so the can sell there anti-virus and there is to much of viruses every virus responsible for what he have to do

If I a doctor and There is no patients i'll be a poor man so that i'm a Software Engineer mack the operating system for user and mack Virus for me and mack Anti-Virus and Sale the system in500$ and send the virus to the system and same person who bay the system he well bay the anti-virus with1500$

some of the virus is not about to hack your system or files, some purpose of virus is to slow the perpormance of your system or to destroy your files, what is the main porpuse of anti virus if the computer is open virus, because some of the virus is from the company of anti virus.
( opinion only )

In brief ..
viruses are created : To take control of a computer and use it for specific tasks To generate money To steal sensitive information (credit card numbers, passwords, personal details, data etc.) To prove a point, to prove it can be done, to prove ones skill or for revenge purposes To cripple a computer or network

Computer virus is characterized as: Program is capable of reincarnation Replication and proliferation.
Virus connects itself another program called custodian host.
Can not be created viruses of the same.
Can be transmitted from an infected computer to another sound.