More than 100 people have been arrested or charged in the U.S. and the U.K. as part of an alleged global cybercrime ring using computer viruses to steal bank-account information and loot money from unsuspecting victims.

At least $3 million was stolen from U.S. accounts from about May of last year to this September, federal and state prosecutors said in New York Thursday as they unveiled indictments. The investigation is in its early stages and could result in law-enforcement actions in other countries, authorities said.

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