McAfee VIRUSSCAN 8.7I User's Guide download pdf (Page 35)

Scanning Items On-Demand

The on-demand scanner provides a method for scanning all parts of your computer for potential

threats, at convenient times or at regular intervals. Use on-demand scans to supplement the

continuous protection that the on-access scanner offers, or to schedule regular scans when

they do not interfere with your work.

Contents

On-demand scanning methods and how they are defined

How scanning of remote storage works

How scan deferral works

How heuristic network check for suspicious files works

How system utilization works

Configuring on-demand scan tasks

On-demand scanning methods and how they are

defined

The on-demand scanner uses these two methods of scanning:

In memory process scanning

This method examines all active processes prior to running the on-demand scan task. A detected

potentially unwanted process is highlighted and the process is stopped. This means that a single

pass with the on-demand scanner removes all instances of a potentially unwanted program.

Incremental or resumable scanning

This method allows the scanner to start where it last left off. For a scan where you scheduled

a start and stop time or a time limit, the scan stops when the time limit is reached. On the next

scheduled scan, the on-demand scan continues from the point in the file and folder structure

where the previous scan stopped.

How scanning of remote storage works

Remote storage data storage is hierarchical, with two defined levels.:

• The upper level, local storage, includes the NTFS disk volumes of the computer running

Remote Storage on Windows 2000 Server.

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McAfee VIRUSSCAN 8.7I User's Guide Page 35