The Symantec Endpoint Protection client weekly scheduled scan actions for when malware has been detected must be configured to Delete Risk if first action fails.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-42790	DTASEP057	SV-55518r1_rule		Medium

Description
Malware may have infected a file that is necessary to the user. By configuring the antivirus software to first attempt cleaning the infected file, availability to the file is not sacrificed. If a cleaning attempt is not successful, however, deleting the file is the only safe option so as to ensure the malware does is not introduced onto the system or network.

STIG	Date
Symantec Endpoint Protection 12.1 Local Client Antivirus STIG	2014-07-03

Details

Check Text ( C-49062r1_chk )
GUI check: Locate the Symantec Endpoint Protection icon in the system tray. Double-click the icon to open the Symantec Endpoint Protection configuration screen. On the left hand side, select Scan for Threats -> Double-click the applied policy -> Select Actions -> Select Malware -> Ensure if first action fails is set to "Delete Risk". Criteria: If first action fails is not set to "Delete Risk", this is a finding. On the machine use the Windows Registry Editor to navigate to the following key: 32 bit: HKLM\SOFTWARE\Symantec\Symantec Endpoint Protection\AV\Scheduler\{SID}\Custom Tasks\{Scan ID}\Malware 64 bit: HKLM\SOFTWARE\Wow6432Node\Symantec\Symantec Endpoint Protection\AV\Scheduler\{SID}\Custom Tasks\{Scan ID}\Malware Criteria: If the value of "SecondAction" is not 3, this is a finding.

Check Text ( C-49062r1_chk )

GUI check: Locate the Symantec Endpoint Protection icon in the system tray. Double-click the icon to open the Symantec Endpoint Protection configuration screen. On the left hand side, select Scan for Threats -> Double-click the applied policy -> Select Actions -> Select Malware -> Ensure if first action fails is set to "Delete Risk".

Criteria: If first action fails is not set to "Delete Risk", this is a finding.

On the machine use the Windows Registry Editor to navigate to the following key:
32 bit:
HKLM\SOFTWARE\Symantec\Symantec Endpoint Protection\AV\Scheduler\{SID}\Custom Tasks\{Scan ID}\Malware
64 bit:
HKLM\SOFTWARE\Wow6432Node\Symantec\Symantec Endpoint Protection\AV\Scheduler\{SID}\Custom Tasks\{Scan ID}\Malware

Criteria: If the value of "SecondAction" is not 3, this is a finding.

Fix Text (F-48376r1_fix)
Locate the Symantec Endpoint Protection icon in the system tray. Double-click the icon to open the Symantec Endpoint Protection configuration screen. On the left hand side, select Scan for Threats -> Double-click the applied policy -> Select Actions -> Select Malware -> Set if first action fails is to "Delete Risk".