Virus writers have resurrected the Sober worm with a new variant that is spreading quickly over the Internet, according to security experts on Tuesday afternoon.
Anti-virus firms have cracked an algorithm that was being used by the Sober worm to 'communicate' with its author.
The Sober.P worm is circulating the Internet in greater quantities than ever, according to antivirus company Sophos.
One in every 22 e-mails circulating the Internet on Wednesday contained the latest version of the Sober worm, according to latest statistics from a UK antivirus company.
A new outbreak of Sober may be coming, security experts have warned, even as e-mail systems worldwide work to get rid of the last infestation of the mass-mailing worm.
Another variant of the Sober virus, which spreads hate messages in German and English, appeared over the weekend. Security firms are warning that they have received hundreds of thousands of e-mails generated by Sober.Q in its first 24 hours.
What appears to be yet another Microsoft security patch for the MyDoom worm is actually a computer virus. Sober.d (w32.sober.d@mm, also known as Roca.a) is the fourth member of the Sober mass-mailing virus family written in Visual Basic.
The worm accounted for more than half of infections detected by Sophos during May
Internet Lockdown, a new book by Tim Crothers, covers security for systems, networks, and applications as well as the Internet.
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