Security Alert – HOOK Android Trojan Targeting Banking & Crypto Apps
- August 26, 2025
- Posted by: Chernor Jalloh
- Categories:
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SL-CSIRT would like to bring to your attention a serious new Android malware threat recently discovered the HOOK banking trojan. This latest variant combines banking fraud, spyware, and ransomware features, posing a high risk to financial data and personal devices.
KEY RISKS:
- Displays fake overlays on banking, Google Pay, and crypto apps to steal credentials.
- Deploys ransomware-style screens that lock the device until a ransom is paid.
- Allows hackers to control devices remotely, record gestures, and steal sensitive data.
- Distributed via phishing links, fake GitHub repositories, and malicious APK files.
WHAT YOU SHOULD DO:
- Install apps only from the Google Play Store – avoid sideloading unknown APKs.
- Do not click on suspicious links or QR codes that ask you to download apps.
- Review app permissions carefully, especially Accessibility and Overlay permissions.
- Keep your Android devices updated with the latest security patches.
- Enable mobile security software and report any suspicious activity immediately.
If you suspect infection: disconnect from the internet, uninstall unknown apps, and contact IT/security support immediately. In some cases, a full device reset may be necessary.
Stay alert and protect your accounts. This campaign highlights how attackers are targeting everyday mobile users to steal money and data.