virusscanner
nounUK /ˈvaɪ.rəsˌskæn.ər/
US /ˈvaɪ.rəsˌskæn.ɚ/
A virus scanner is a computer helper that looks for bad programs and keeps your computer safe.
My dad ran a virus scanner on the laptop after it started acting slow.
OTHER MEANINGS
2. A program that checks files for harmful software before you open them.
The virus scanner blocked the email attachment before I could click it.
3. A tool that searches a system for hidden or suspicious code.
The technician used a virus scanner to find the hidden program on the server.
4. Software that regularly inspects your device and removes threats it finds.
Set the virus scanner to check your phone every night while you sleep.