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 Friday, January 16, 2009
Prolific worm infects 3.5m Windows PCs

A prolific new worm has spread to infect more than 3.5m Windows PCs, according to net security firm F-secure. The success of the Conficker (AKA Downadup) worm is explained by its use of multiple attack vectors and new social engineering ruses, designed to hoodwink the unwary into getting infected.

The worm uses a complex algorithm to develop a changing daily list of domains which infected machines attempt to establish contact with. Hackers need only register one of these possible names to establish contact with the botnet established by Conficker. The tactic is designed to frustrate attempts by security watchers to dismantle the command and control network associated with compromised machines.

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