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16 June 2004
A group of underground virus writers has showed off what is believed to
be the world's first worm that can spread on advanced mobile phones, but
security software companies say the virus had no malicious code attached.
The worm, named Cabir, was sent to security software firms Kapersky Lab
of Russia and U.S.-based Symantec by a member of 29a, a group of virus
writers from the Czech Republic and Slovakia who pride themselves in
creating ''proof of concept malicious viruses,'' Kapersky Labs spokesman
Denis Zenkin said.
Avoid accepting a download that looks like the one above, anti-virus
firms say.
''This is the very first version of a network worm which propagates via
mobile phones.''
The worm is designed to work in smartphones running on Symbian and Series
60 software, Symantec said on its Web site.
This software is used to power millions of Nokia phones, such as the
popular 6600 model.
Nokia was not immediately available to comment.
The worm is not regarded as dangerous because even if it spreads it
carries no code that destroys files or executes other damaging operations,
the security software firms said. The virus attempts to jump from phone to
phone by using the handset's wireless short-range Bluetooth connection. It
scans the environment for other Bluetooth-enabled devices.
Once it has found one, it sends itself disguised as a security file. The
file must be accepted by the mobile phone owner and then installed before it
can propagate.
Mobile viruses will become more dangerous when they can spread without
human intervention, said Matias Impivaara, business manager for mobile
security services at Finnish security software firm F-Secure.
''The main (turning) point will be when the virus-writing community knows
the software well enough... to find holes,'' he said.
'The information about the (Symbian) operating system is very close to
the hands of the virus writers. Cabir could be a trigger to start developing
these ideas earlier.''
A spokesman at London-based technology firm Symbian said that, unlike
personal computers, it was not possible to penetrate the software of its
smartphones without approval.
''But we can never say it's not going to be possible. Smartphones have
been designed... as open, programmable networked devices,'' he said, adding
that users should be careful before accepting to install new software.
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