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27 Jan 2005

New Bagle worm variant spreading quickly via email, but Sophos customers proactively protected

Bagels
The number of new versions of the Bagle worm has continued to increase.

Anti-virus experts at Sophos have warned internet users to be on the lookout for a new variant of the Bagle email worm which has been seen spreading quickly in the wild. Sophos is advising computer users to ensure their anti-virus protection is up-to-date to protect against attacks via email.

The W32/Bagle-AY worm spreads via email and peer-to-peer file-sharing networks. It will also attempt to disable anti-virus and security systems running on infected PCs.

Subject lines used by the worm include:

Delivery service mail
Delivery by mail
Registration is accepted
Is delivered mail
You are made active

"Everyone should be cautious of unsolicited email attachments, and be wary of what they download from internet file-sharing networks," said Graham Cluley, senior technology consultant for Sophos. "So far 2005 has been fairly quiet in terms of brand new virus outbreaks - if everyone applied computer security common sense it would help keep it that way."

Sophos defends customers with proactive protection

Although the W32/Bagle-AY worm was only discovered on 27 January 2005, Sophos anti-virus products have been capable of detecting it proactively through their generic detection capabilities as W32/Bagle-Gen for over 4 months without requiring an update.

"Sophos's proactive detection of this new version of the Bagle worm demonstrates the expertise of the Sophos research and development teams, and provides a world class level of protection to millions of business customers around the globe," continued Cluley.

Sophos recommends companies protect their email gateways with a consolidated solution to defend against viruses and spam. Businesses should also secure their desktop and servers with automatically updated protection.

About Sophos

More than 100 million users in 150 countries rely on Sophos as the best protection against complex threats and data loss. Sophos is committed to providing complete security solutions that are simple to deploy, manage, and use and that deliver the industry's lowest total cost of ownership. Sophos offers award-winning encryption, endpoint security, web, email, mobile and network security solutions backed by SophosLabs - a global network of threat intelligence centers.

Sophos is headquartered in Boston, US and Oxford, UK. More information is available at www.sophos.com.