A user connected a smartphone to a coffee shop's public Wi-Fi and noticed the smartphone started sending unusual SMS messages and registering strange network activity. A technician thinks a virus or…

Disabling Wi-Fi autoconnect is a good preventative measure for public networks but does not address an existing infection.

Staying offline in public places is a preventative security practice but does not fix a device already suspected of being infected.

Uninstalling recently installed applications directly targets potential sources of the malware, as new or unauthorized apps often introduce malicious code causing unusual behavior.

Scheduling an antivirus scan is crucial for detecting and removing any existing malware that may have infected the device, directly addressing the security concern.

Rebooting the device might temporarily stop some malware processes but does not remove the malware itself.

Updating the OS is good for patching vulnerabilities but does not directly remove an active malware infection that has already compromised the device.