AmericaInternationalInvestigatesScam AlertScience & TechnologyU.S. NewsUSA Herald Avast lists 28 malware-infected browser extensions, downloaded 3 million times By Jackie Allen - December 17, 2020 1003 SHARE Have a story you want USA Herald to cover? Submit a tip here and if we think it’s newsworthy, we’ll follow up on it. Want to contribute a story? We also accept article submissions – check out our writer’s guidelines here.