Herodotus Android malware humanized typing and UI automation activity
Malware Activity
Summary
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The Herodotus Android malware family now uses random 0.3 to 3 second typing delays to make automated input look human and harder for security tools to detect. It is being delivered through SMS phishing and a custom dropper that pressures victims to grant Accessibility permissions on Android 13+. Once active, it can use overlays and UI automation to steal banking credentials and intercept 2FA codes. The result is a stealthier mobile fraud threat for affected Android users.
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Timeline
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28.10.2025 12:00 1 articles · 7mo ago
Herodotus Android malware uses human-like typing delays
Initial DisclosureHerodotus is a new Android malware family offered as malware-as-a-service and used against Italian and Brazilian users through SMS phishing that delivers a custom dropper, requests Accessibility access on Android 13 and later, and then uses overlays and UI automation to steal credentials, intercept 2FA codes, and capture screen content. The malware's humanizer types with random 0.3 to 3 second delays to mimic human behavior and evade timing-based detection, and seven distinct subdomains suggest spread by several threat actors.
Show sources
- New Herodotus Android malware fakes human typing to avoid detection — www.bleepingcomputer.com — 28.10.2025 12:00