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Keenadu Android backdoor embedded in firmware and app delivery paths

Malware Activity
First reported
Last updated
Happening score
H score 27
2 unique sources, 2 articles

Summary

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The Keenadu Android backdoor was found embedded in firmware from multiple device brands, putting infected devices and their installed apps at risk of full compromise. The malware also spread through compromised OTA images, system apps, modified apps, and even some Google Play listings, widening its reach. By February 2026, researchers had confirmed 13,000 infected devices across Russia, Japan, Germany, Brazil, and the Netherlands. The activity matters because the firmware-based variant is deeply embedded and can be difficult to remove without replacing the firmware.

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Latest development: 29.05.2026 00:10

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Timeline

  1. 17.02.2026 16:05 2 articles · 4mo ago

    Keenadu firmware sample dated August 18, 2023

    Technical Analysis Update

    On August 18, 2023, the malicious firmware on an Alldocube iPlay 50 mini Pro (T811M) tablet was dated, indicating that the firmware-integrated Keenadu variant was already embedded in an Android tablet from multiple makers and could persist at the firmware layer.

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  2. 17.02.2026 16:05 3 articles · 4mo ago

    Kaspersky publishes Keenadu analysis and infection count

    Technical Analysis Update

    On 2026-02-17, Kaspersky published a detailed analysis of Keenadu, describing a sophisticated Android backdoor embedded in firmware from multiple device brands and also present in system apps, modified apps, and Google Play apps. The analysis said the firmware-based variant can compromise every app on the device, operate in the context of libandroid_runtime.so, and was associated with 13,000 confirmed infected devices in Russia, Japan, Germany, Brazil, and the Netherlands as of February 2026.

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  3. 17.02.2026 16:05 2 articles · 4mo ago

    Keenadu firmware sample dated August 18, 2023

    Technical Analysis Update

    On August 18, 2023, the malicious firmware on an Alldocube iPlay 50 mini Pro (T811M) tablet was dated, indicating that the firmware-integrated Keenadu variant was already embedded in an Android tablet from multiple makers and could persist at the firmware layer.

    Show sources
    Open in new tab
  4. 17.02.2026 16:05 3 articles · 4mo ago

    Kaspersky publishes Keenadu analysis and infection count

    Technical Analysis Update

    On 2026-02-17, Kaspersky published a detailed analysis of Keenadu, describing a sophisticated Android backdoor embedded in firmware from multiple device brands and also present in system apps, modified apps, and Google Play apps. The analysis said the firmware-based variant can compromise every app on the device, operate in the context of libandroid_runtime.so, and was associated with 13,000 confirmed infected devices in Russia, Japan, Germany, Brazil, and the Netherlands as of February 2026.

    Show sources
    Open in new tab