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Fake Flash Update With A Twist

ID: 2458d6a9-53fb-5b75-81af-73267a3edd63

STIX ID: report--2458d6a9-53fb-5b75-81af-73267a3edd63

Feed Name: Zscaler Security Research Blog

Threat Score
60/100

Date Published: 2025-04-02

Date Updated: 2026-05-01

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A fake Flash-update campaign on xhamster.com distributes malicious browser extensions (Firefox XPI, Chrome CRX) and an IE EXE that install adware which injects invisible IFRAMES and fetches remote JavaScript; extensions evade antivirus detection and could be updated to steal cookies or credentials.

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