antivirus software(redirected from Virus scan)
Also found in: Medical, Financial.
antivirus software[¦an·tē‚vī·rəs ′sȯf‚wer]
Software that is designed to protect against computer viruses.
Programs to detect and remove computer viruses. The simplest kind scans executable files and boot blocks for a list of known viruses. Others are constantly active, attempting to detect the actions of general classes of viruses. antivirus software should always include a regular update service allowing it to keep up with the latest viruses as they are released.