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NoVoice on Google Play Exploits 22 Flaws to Hit Millions of Android Users

ID: 44415da5-6e0a-543b-9cf2-638577056553

STIX ID: report--44415da5-6e0a-543b-9cf2-638577056553

Feed Name: GBHackers

Threat Score
85/100

Date Published: 2026-04-02

Date Updated: 2026-04-22

Author: Mayura Kathir

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NoVoice is a large-scale Android rootkit campaign distributed through over 50 trojanized apps on Google Play (≥2.3M downloads) that leverages 22 vulnerabilities (2016–2021) to gain root on unpatched devices, install a persistent system-level rootkit (CsKaitno.d) by replacing critical libraries, and exfiltrate sensitive data — notably WhatsApp keys to clone sessions — via a segmented C2/plugin infrastructure; McAfee disclosed the campaign and Google removed the apps.

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