How to make a virus program in C++?

How to make a virus program in C++?

This program will work as a virus. This program will execute the loop again and again for unlimited time and it never stop.

#include<iostream>
using namespace std;
int main()
{
	char character='A';
	do
	{
		cout<<character<<" ";
		character++;
	}
	while(2==2);
	cout<<endl;
	return 0;
}

How to stop this virus?

You can open task manager of windows and end the process that is running for this program.