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Fake TikTok Downloader Extensions Infect 130,000 Browser Users

ID: eab17cf9-2d00-5583-b06e-b7a81310f161

STIX ID: report--eab17cf9-2d00-5583-b06e-b7a81310f161

Feed Name: Cyber Press

Threat Score
75/100

Date Published: 2026-04-21

Date Updated: 2026-04-21

Author: AnuPriya

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A coordinated campaign distributed at least a dozen malicious Chrome/Edge extensions (marketed as TikTok downloaders) that together compromised more than 130,000 users—about 12,500 still active—by using a shared MV3 codebase and remote JSON configurations hosted on typosquatted domains to activate post-install tracking, harvest detailed telemetry for persistent fingerprinting, and evade store detection through rapid re-uploads and dynamic behavior changes.

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