The move comes after a joint Motherboard and PCMag investigation uncovered details of the data collection through a series of leaked documents.
Avast will no longer collect or sell its users' internet browsing data and will "wind down Jumpshot's operations, with immediate effect."
Bernie Sanders Thinks Companies That Sell Your Browser History Are ‘Trampling Over the Rights of Consumers’
"No reasonable person would expect antivirus software to be selling off their private browsing data to the highest bidder."
Warner's comments come after a Motherboard and PCMag investigation found antivirus Avast selling browsing data to Home Depot, Google, and other companies.
An Avast antivirus subsidiary sells 'Every search. Every click. Every buy. On every site.' Its clients have included Home Depot, Google, Microsoft, Pepsi, and McKinsey.
Wyden’s questions come after Mozilla removed Avast's and AVG’s extensions for harvesting user data.