Microsoft Defender AV must scan packed executables.

Documentable No

Rule ID SV-278679r1144081_rule

CCI References

CCI-001242

Discussion

This policy setting manages whether Microsoft Defender Antivirus scans packed executables. Packed executables are executable files that contain compressed code.

Check Procedure

Verify the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Defender Antivirus >> Scan >> Scan packed executables is set to "Enabled"; otherwise, this is a finding.

Procedure: Use the Windows Registry Editor to navigate to the following key: 
HKLM\Software\Policies\Microsoft\Windows Defender\Scan

Criteria: If the value "DisablePackedExeScanning" is REG_DWORD = 0, this is not a finding.

If the value is 1, this is a finding.

Fix Action

Set the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Defender Antivirus >> Scan >> Scan packed executables to "Enabled".

Click "OK".

Click "Apply".