McAfee VirusScan On-Access Scanner All Processes settings must be configured to not exclude any files from being scanned unless exclusions have been documented with, but also be approved by the ISSO/ISSM/AO.

From McAfee VirusScan 8.8 Local Client STIG

Part of DTAM153--McAfee VirusScan on-access file exclusions

Associated with: CCI-001242

SV-55292r3_rule McAfee VirusScan On-Access Scanner All Processes settings must be configured to not exclude any files from being scanned unless exclusions have been documented with, but also be approved by the ISSO/ISSM/AO.

Vulnerability discussion

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.

Check content

Access the local VirusScan console by clicking Start->All Programs->McAfee->VirusScan Console. On the menu bar, click Task->On-Access Scanner Properties. Select All Processes. Under the Exclusions tab, locate the "What not to scan:" label. Ensure there are no exclusions listed. If exclusions are listed, verify they have been documented and approved by the ISSO/ISSM/AO. Criteria: If there are no exclusions listed in the "What not to scan:" field, this is a not finding. If there are exclusions listed in the "What not to scan:" field, and the exclusions have been documented with, and approved by, the ISSO/ISSM/AO, this is not a finding. If there are exclusions listed in the "What not to scan:" field, and the exclusions have not been documented with, and approved by, the ISSO/ISSM/AO, 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) SystemCore\VSCore\On Access Scanner\McShield\Configuration\Default Criteria: If the value NumExcludeItems is 0, this is not a finding. If NumExcludeItems is not 1 or greater, and exclusions have been not been documented with and approved by the ISSO/ISSM/AO, this is a finding. If NumExcludeItems is 1 or greater, and exclusions have been approved by the ISSO/ISSM/AO, this is not a finding.

Fix text

Access the local VirusScan console by clicking Start->All Programs->McAfee->VirusScan Console. On the menu bar, click Task->On-Access Scanner Properties. Select All Processes. Under the Exclusions tab, locate the "What not to scan:" label. Remove any exclusions listed.

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