Complex sentence: Mydoom, also known as Novarg, Mimail.R and Shimgapi, is a computer worm affecting computers running Microsoft Windows which was first sighted on January 26,2004.
Split into simpler sentences: Mydoom, also known as Novarg, Mimail.R and Shimgapi, is a computer worm affecting Microsoft Windows. It was first sighted on January 26,2004.