Swine flu spam leveling off, but attacks continue

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Swine flu spam leveling off, but attacks continue

As reports of swine flu infections grow across the world, spammers and malware purveyors continue to try to cash in.

Filters are doing a better job at killing swine flu-related spam before it reaches inboxes, but that doesn't mean cybercriminals are giving up on leveraging the widely covered news story.

In the middle of last week, the amount of spam referencing the virus outbreak made up about four per cent of all unwanted email, said Scott Olechowski, manager of Cisco's threat research team. However, those amounts fell Friday to roughly one percent.

"The feeling is that swine flu itself is such an easy thing for spam filters to catch," he told SCMagazineUS.com.

To keep their ploy going, some spammers have opted for targeting non-English speaking recipients, such as people living in Portugal and Japan, where they may not have controls yet in place to weed out swine flu spam, Olechowski said.

Up until recently, most of the swine spam was trying to get recipients to purchase pharmaceuticals, in some cases medications they claimed can help prevent infection, he said. But many of the current emails are trying to load malware onto users' computers by trying to get them to click on a link.

In most cases, victims are then delivered to a website that tries to persuade them to install a trojan disguised as a codec, Olechowski said. In some cases, though, users can be infected simply by visiting the malicious site if their systems are unpatched.

Security firm SonicWALL, meanwhile, said that its researchers have detected a swine flu-related malware scam targeting Mexican banks.

Should the outbreak continue to make big news, spammers likely will customise their messages so they still are related to swine flu but do not actually use those specific words, Olechowski said.

See original article on scmagazineus.com

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