The Symantec Endpoint Protection client Auto-Protect Backup Option must be disabled to prevent backing up infected files before attempting to repair them.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-42635	DTASEP015	SV-55363r1_rule		Medium

Description
For antivirus software to be effective, it must be running at all times, beginning from the point of the system's initial startup. Otherwise, the risk is greater for viruses, Trojans, and other malware infecting the system during that startup phase.

STIG	Date
Symantec Endpoint Protection 12.1 Managed Client Antivirus	2015-07-08

Details

Check Text ( C-48906r1_chk )
Server check: From the Symantec Endpoint Protection Management Server, Symantec Endpoint Protection Management Console: Select Policies -> Double-click the applied policy -> Under Windows Settings, Protection Technology -> Select Auto-Protect -> Select the Actions -> Under Remediation -> Ensure "Back up files before attempting to repair them" is NOT selected. Criteria: If "Back up files before attempting to repair them" is selected, this is a finding. On the client machine, use the Windows Registry Editor to navigate to the following key: 32 bit: HKLM\SOFTWARE\Symantec\Symantec Endpoint Protection\AV\Storages\Filesystem\RealTimeScan 64 bit: HKLM\SOFTWARE\Wow6432Node\Symantec\Symantec Endpoint Protection\AV\Storages\Filesystem\RealTimeScan Criteria: If the value of BackupToQuarantine is not 0, this is a finding.

Check Text ( C-48906r1_chk )

Server check: From the Symantec Endpoint Protection Management Server, Symantec Endpoint Protection Management Console: Select Policies -> Double-click the applied policy -> Under Windows Settings, Protection Technology -> Select Auto-Protect -> Select the Actions -> Under Remediation -> Ensure "Back up files before attempting to repair them" is NOT selected.

Criteria: If "Back up files before attempting to repair them" is selected, this is a finding.

On the client machine, use the Windows Registry Editor to navigate to the following key:
32 bit:
HKLM\SOFTWARE\Symantec\Symantec Endpoint Protection\AV\Storages\Filesystem\RealTimeScan
64 bit:
HKLM\SOFTWARE\Wow6432Node\Symantec\Symantec Endpoint Protection\AV\Storages\Filesystem\RealTimeScan

Criteria: If the value of BackupToQuarantine is not 0, this is a finding.

Fix Text (F-48219r1_fix)
From the Symantec Endpoint Protection Management Server, Symantec Endpoint Protection Management Console: Select Policies -> Double-click the applied policy -> Under Windows Settings, Protection Technology -> Select Auto-Protect -> Select the Actions -> Under Remediation -> Ensure "Back up files before attempting to repair them" is NOT selected.