Sobig: spam, virus or both?
The quick spread of the recent Sobig.C virus may owe more to the advances in spamming techniques than to the skill of an anonymous virus writer, according to a leading antivirus company.
An analysis of e-mail messages containing the new worm variant by Russian antivirus company Kaspersky Labs revealed what appears to be a distribution pattern more akin to spam e-mail than a fast-spreading virus, according to Denis Zenkin, head of corporate communications at Kaspersky, in Moscow.
Like the original Sobig virus, Sobig.C is a mass-mailing worm that spreads copies of itself through e-mail messages with attached files that contain the virus code.
The new variant was first detected late on Friday and spread quickly across multiple countries in the hours after it first appeared, according to a statement by Helsinki security company F-Secure.
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