A new variant of the Sober worm was discovered spreading in the early morning hours (GMT) on March 8, 2004. Dubbed Sober.D by most vendors and Roca.A by antivirus vendor Sophos, the worm follows in the footsteps of Sober.A, Sober.B, and Sober.C, sending itself in either German or English depending on the domain suffix of the intended victim.
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