Working with the FBI, Microsoft authorities in Morocco and Turkey have arrested the 2 suspected virus writers. Farid Essebar, 18 of Morocco and Atilla Ekici, 21, of Turkey are now in custody.
Zytob and Rbot along with Mytob are the viruses in question. Only affecting un-patched Microsoft 2000 systems, it still caused problems in over 100 U.S. companies, including the media like CNN and the New York Times.
The viruses targeted a recent flaw found in the way Windows 2000 handles Plug and Play. If affected the computer would randomly reboot and shut off, and could be controlled remotely. A team of 50 Microsoft investigators had analyzed the worms. Source