McAfee QUICKCLEAN 3.0 Technical Information download pdf (Page 110)

Comodo Endpoint Security Manager - SME - Administrator Guide

• Scan archive files - When this check box is selected, the Antivirus scans archive files such as .ZIP and .RAR files.

You are alerted to the presence of viruses in compressed files before you even open them. These include RAR,

WinRAR, ZIP, WinZIP, ARJ, WinARJ and CAB archives.

• Automatically update virus database before scanning - Instructs Comodo Internet Security to check for latest virus

database updates from Comodo website and download the updates automatically before starting an on-demand

scanning.

• Heuristics Scanning Level - Comodo Internet Security employs various heuristic techniques to identify previously

unknown viruses and Trojans. 'Heuristics' describes the method of analyzing the code of a file to ascertain whether it

contains code typical of a virus. If it is found to do so then the application deletes the file or recommend it for

quarantine. Heuristics is about detecting virus-like behavior or attributes rather than looking for a precise virus

signature that matches a signature on the virus blacklist.

This is a quantum leap in the battle against malicious scripts and programs as it allows the engine to 'predict' the

existence of new viruses - even if it is not contained in the current virus database.

The drop-down menu allows you to select the level of Heuristic scanning from the four levels:

• Off - Selecting this option disables heuristic scanning. This means that virus scans only uses the 'traditional'

virus signature database to determine whether a file is malicious or not.

• Low - 'Lowest' sensitivity to detecting unknown threats but will also generate the fewest false positives. This

setting combines an extremely high level of security and protection with a low rate of false positives.

Comodo recommends this setting for most users.

• Medium - Detects unknown threats with greater sensitivity than the 'Low' setting but with a corresponding

rise in the possibility of false positives.

• High - Highest sensitivity to detecting unknown threats but this also raises the possibility of more false

positives too.

• Do not scan files larger than - This box allows to set a maximum size (in MB) for the individual files to be scanned

during manual scanning. Files larger than the size specified here, are not scanned.

Click the 'save' icon for any changes to the settings to take effect.

Scheduled Scanning

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McAfee QUICKCLEAN 3.0 Technical Information Page 110