Name: Holiday Famil Category: Viruses Description: Details Holiday Family These are dangerous memory resident parasitic viruses. They hook INT 21h and write themselves to the end of .COM and .EXE files that are executed. After infecting a file the viruses try to infect COMMAND.COM file of the current drive. "Holiday.2900" also hooks INT 09h (keyboard) and "eats" every 200th keystroke. On March, 3th the viruses display the message: +----------------------------------------------------------------+ ¦ ATTENTION! ¦ ¦ I'm very sorry, today is my holiday. ¦ ¦ So, I can't serve you, cause I want to play on your computers. ¦ ¦ ¦ ¦ DON'T TURN OFF YOUR COMPUTER UNTIL TOMORROW, ¦ ¦ OR YOUR DATA WILL BE LOST!!! ¦ ¦ ¦ ¦ I'll be back to serve you tomorrow. ¦ ¦ Thank You, ¦ ¦ ¦ ¦ AAA ¦ +----------------------------------------------------------------+ and then wait for March, 4th. Then the viruses display the message and reboots computer: Thank You for playing, see youall Please, hit ENTER! The viruses also contain the text string: "apa saja".