The Sober.P worm stopped spreading across the Internet on Tuesday after virus writers remotely silenced thousands of infected computers overnight, experts said on Friday.
The Sober attack predicted for last Friday has not happened, possibly because of the publicity surrounding the potential outbreak.
The Sober attack expected later this week is unlikely to have much effect on company systems, antivirus experts predicted.
Sven Jaschan, self-confessed author of the Netsky and Sasser viruses, is responsible for 70 percent of virus infections in 2004, according to a six-month malware round-up published by antivirus firm Sophos on Wednesday.
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