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Netsky By Munir Kotadia
Special to CNET News.com
Antivirus researchers have discovered a new version of the Netsky
worm that contains text linking it to a university in South Korea.
Mikko Hypponen, director of antivirus research at European antivirus
company F-Secure, said the latest variant contains two hidden
strings: "SoonChunHyang" and "Bucheon."
"There's a university called SoonChunHyang in the city of
Bucheon, South Korea. So I guess this variant has something to
do with South Korea," Hypponen said.
The original Netsky was written by Sven Jaschan, who was said
to be responsible for 70 percent of all virus infections in the
first half of this year, according to antivirus company Sophos.
Jaschan was taken into custody in May by German police, who said
that he had admitted programming both the Netsky and Sasser worms.
During the five months preceding his arrest, there were at least
25 variants of Netsky and one of Sasser, a port-scanning network
worm.
Shortly before his arrest, Jaschan said he had distributed the
worm's source code, which could allow any number of people to
develop their own versions of the worm.
At the time, Hypponen said that if the source code were to be
published, it would be very popular. "The source code from
Netsky is hot stuff because the worm has been so successful,"
Hypponen said in March.
Since
Jaschan’s arrest, at least 20 other variants of Netsky have
been found.
Hypponen believes all the recent Netsky variants have been created
by copycats.
"As the author of the original Netsky family is out of business,
these recent Netskys all seem to be hacks made by third parties,"
Hypponen said.
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