Brazilian investigators arrested members of a scheme that used AI-generated videos and images of high-profile celebrities, including Gisele Bündchen, to run Instagram ads promoting fake giveaways and bogus products that generated millions of reais. The case highlighted the use of synthetic media in e-commerce ad fraud and prompted greater scrutiny from platforms and regulators.

Brazilian authorities dismantled an organized ring that produced and distributed AI-generated images and deepfake videos of celebrities to promote fraudulent Instagram advertising campaigns. Investigators say the operatives leveraged synthetic media of well-known public figures to lend credibility to sham promotions, fake product listings and bogus prize giveaways, tricking consumers into making payments or providing personal and financial data. The scheme reportedly generated millions of reais in proceeds before authorities traced ad account linkages, payment flows and onboarding records to identify suspects and freeze assets. Law enforcement highlighted the technical sophistication of the fraud, noting that convincingly realistic synthetic content allowed scam ads to evade casual detection and exploit influencer trust. The investigation prompted follow-up scrutiny by social platforms and advertisers, and spurred discussion about stronger ad-verification controls, rapid takedown processes and regulatory approaches to deter AI-enabled consumer fraud in online marketplaces and social media advertising ecosystems.