When the virus is run, it overwrites every DOS executable file in current directory.
Files overwritten by the virus will no longer function and they cannot be recovered, they must be replaced with clean copies.
Depend on current system time it show the message on runtime:
HELLO! WHAT WILL YOU DO ABOUT THIS? BUY ORIGINALS TO AVOID ME AND MY 1500 NASTY FRIENDS, BECAUSE WE ARE EVERYWHERE!
The virus contains the internal strings also:
I HOPE YOU DON'T HAVE ANSI, BOY! [13;13;"ECHO Y|DEL.";13P ANSI-BOMB VIRUS BY TESLA 5