oldwebtreasure:The Happy99 worm, also known as Ska or i-Worm, was a worm for Windows, appearing in 1
oldwebtreasure:The Happy99 worm, also known as Ska or i-Worm, was a worm for Windows, appearing in 1999. The worm would display a gif of exploding fireworks in a window titled “Happy New Year 1999!″. This was the first worm known to spread via e-mail and usenet. Other than attaching itself to the user’s computer, this worm did no damage. -- source link