Hello SuperAbue, welcome to the Samsung Community! I understand your concerns regarding your device showing a message about being infected. Have you recently downloaded a new app? If you try your device in safe mode to verify if a third party app is causing the issue: Booting your Samsung Galaxy into Safe mode | Samsung CA
Scan your device with App Protection. Navigate to Settings, and then tap Security and privacy. Tap App security, and then App protection. Tap Scan phone
Please Note that App protection may not be available on some models and carriers. Some carriers may also provide alternate solutions. What is the model of your device?
