McAfee VirusScan On-Demand scan must be configured so there are no exclusions from the scan unless exclusions have been documented with, and approved by, the ISSO/ISSM/DAA.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-6604	DTAM050	SV-56401r2_rule	ECSC-1	Medium

Description
When scanning for malware, excluding specific files will increase the risk of a malware-infected file going undetected. By configuring antivirus software without any exclusions, the scanner has a higher success rate at detecting and eradicating malware.

STIG	Date
McAfee VirusScan 8.8 Local Client STIG	2015-12-29

Details

Check Text ( C-49316r2_chk )
Access the local VirusScan console by clicking Start->All Programs->McAfee->VirusScan Console. In the console window, under Task, with the assistance of the System Administrator, identify the weekly on-demand client scan task. Right-click the Task and select Properties. Under the Exclusions tab, locate the "What not to scan:" label. Ensure that no items are listed in this area. If any items are listed, they must be documented with, and approved by, the local ISSO/ISSM/DAA. Criteria: If no items are listed in the "What not to scan:" area, this is not a finding. If excluded items exist, and they are documented with and approved by the ISSO/ISSM/DAA, this is not a finding. If excluded items exist, and they are not documented with and approved by the ISSO/ISSM/DAA, this is a finding. On the client machine, use the Windows Registry Editor to navigate to the following key: HKLM\Software\McAfee\ (32-bit) HKLM\Software\Wow6432Node\McAfee\ (64-bit) DesktopProtection\Tasks Under the DesktopProtection\Tasks, and with the assistance of the System Administrator, review each GUID key's szTaskName to find the GUID key associated with weekly on-demand client scan task. Criteria: If, under the applicable GUID key, the NumExcludeItems has value of 0, this is not a finding. If the NumExcludeItems has value other than 0, and they are documented with and approved by the ISSO/ISSM/DAA, this is not a finding. If the NumExcludeItems has value other than 0, and they are not documented with and approved by the ISSO/ISSM/DAA, this is a finding.

Check Text ( C-49316r2_chk )

Access the local VirusScan console by clicking Start->All Programs->McAfee->VirusScan Console.
In the console window, under Task, with the assistance of the System Administrator, identify the weekly on-demand client scan task.
Right-click the Task and select Properties.

Under the Exclusions tab, locate the "What not to scan:" label. Ensure that no items are listed in this area. If any items are listed, they must be documented with, and approved by, the local ISSO/ISSM/DAA.

Criteria: If no items are listed in the "What not to scan:" area, this is not a finding.
If excluded items exist, and they are documented with and approved by the ISSO/ISSM/DAA, this is not a finding.
If excluded items exist, and they are not documented with and approved by the ISSO/ISSM/DAA, this is a finding.

On the client machine, use the Windows Registry Editor to navigate to the following key:
HKLM\Software\McAfee\ (32-bit)
HKLM\Software\Wow6432Node\McAfee\ (64-bit)
DesktopProtection\Tasks

Under the DesktopProtection\Tasks, and with the assistance of the System Administrator, review each GUID key's szTaskName to find the GUID key associated with weekly on-demand client scan task.

Criteria: If, under the applicable GUID key, the NumExcludeItems has value of 0, this is not a finding.
If the NumExcludeItems has value other than 0, and they are documented with and approved by the ISSO/ISSM/DAA, this is not a finding.
If the NumExcludeItems has value other than 0, and they are not documented with and approved by the ISSO/ISSM/DAA, this is a finding.

Fix Text (F-49120r1_fix)
Access the local VirusScan console by clicking Start->All Programs->McAfee->VirusScan Console. In the console window, under Task, with the assistance of the System Administrator, identify the weekly on-demand client scan task. Right-click on the Task and select Properties. Under the Exclusions tab, locate the "What not to scan:" label, remove any items. Click OK to Save.