] A second variant of the Atak worm, which goes to sleep to
] avoid detection by antivirus software, has been linked to
] an al-Qaida sympathizer who once threatened to release a
] powerful worm if the United States attacked Iraq.

] Mihai Radu, communications manager at BitDefender, said
] the virus, discovered Friday, is signed by Melhacker, which
] is the moniker of a Malaysian-based coder called Vladimor
] Chamlkovic, who in 2002 threatened to release an
] "uber-worm" if the United States attacked Iraq.