Microsoft Windows Defender Antivirus STIG: WNDF-AV-000024

Check: WNDF-AV-000024 (in versions v2 r2 through v1 r1)

Title

Windows Defender AV must be configured to scan archive files. (Cat II impact)

Discussion

This policy setting allows you to configure scans for malicious software and unwanted software in archive files such as .ZIP or .CAB files. If you enable or do not configure this setting archive files will be scanned. If you disable this setting archive files will not be scanned.

Check Content

Verify the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> Scan -> "Scan archive files" is set to "Enabled" or "Not Configured". Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Windows Defender\Scan Criteria: If the value "DisableArchiveScanning" is REG_DWORD = 0, this is not a finding. If the value does not exist, this is not a finding. If the value is 1, this is a finding.

Fix Text

Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> Scan -> "Scan archive files" to "Enabled " or "Not Configured".

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CCIs

CCIs tied to check.
Number Definition
CCI-001242

The organization configures malicious code protection mechanisms to perform real-time scans of files from external sources at endpoints as the files are downloaded, opened, or executed in accordance with organizational security policy.

Controls

Controls tied to check. These are derived from the CCIs shown above.
Number Title
SI-3

Malicious Code Protection