A new variant of the mass-mailing Sober worm has been discovered and is spreading among consumer PC users.
Sober.P, which operates in a similar fashion to other Sober worms, uses a subject header in an e-mail to try to entice people into opening an attachment. The virus then harvests e-mail addresses from the victim and directs a barrage of spam to those addresses.
"The social engineering has been very effective," said Craig Schmugar, virus research manager for McAfee Avert. "They will use German messages for German Windows users. They tell them they"ve won tickets to the World Cup, and that has been an effective (ploy) for that region."