This Google Doodle featuring the Esperanto flag was exploited by scammers to spread malware, according to Barracuda Networks.

(Credit: Google)

Online scammers are taking advantage of the public's interest in the Google Doodle to spread malware, a security firm warned on Tuesday.

In so-called "SEO poisoning," scammers use search engine optimization techniques to increase the distribution of malware. They create special malware-rigged Web sites or hide malware on legitimate Web sites they've...