Dell Endpoint Security Suite Enterprise and McAfee May Alert on CylanceSvc.exe at Every Boot
Summary: When using Advanced Threat Prevention with McAfee Firewall, you may see alerts at each boot indicating that Cylancesvc.exe is attempting to access various McAfee processes. These alerts can generate email alerts that are based on the alerts settings. ...
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Symptoms
Note:
- As of May 2022, Dell Endpoint Security Suite Enterprise has reached End of Maintenance. This article is no longer updated by Dell. For more information, reference Product Life Cycle (End of Support / End of Life) Policy for Dell Data Security. If you have any questions on alternative articles, either reach out to your sales team or contact endpointsecurity@dell.com.
- Reference Endpoint Security for additional information about current products.
Affected Products:
- Dell Endpoint Security Suite Enterprise
Affected Versions:
- v2.8 to 2.9

The events in the C:\Programdata\Dell\Dell Data Protection\DellAgent.log may have entries similar to this:
[04912] (00008) W AVAS : NT AUTHORITY\SYSTEM ran C:\Program Files\Dell\Dell Data Protection\Advanced Threat Protection\CylanceSvc.exe, which attempted to access the process mfefw.exe, violating the rule "Core Protection - Protect McAfee processes from unauthorized access and termination", and was blocked. For information about how to respond to this event, see KB85494. [04912] (00007) W AVAS : received Information threat protection event: BO=SP Id=1092 [04912] (00007) W AVAS : NT AUTHORITY\SYSTEM ran C:\Program Files\Dell\Dell Data Protection\Advanced Threat Protection\CylanceSvc.exe, which attempted to access the process mfewc.exe, violating the rule "Core Protection - Protect McAfee processes from unauthorized access and termination", and was blocked. For information about how to respond to this event, see KB85494. [04912] (00004) W AVAS : received Information threat protection event: BO=SP Id=1092 [04912] (00004) W AVAS : NT AUTHORITY\SYSTEM ran C:\Program Files\Dell\Dell Data Protection\Advanced Threat Protection\CylanceSvc.exe, which attempted to access the process mfeesp.exe, violating the rule "Core Protection - Protect McAfee processes from unauthorized access and termination", and was blocked. For information about how to respond to this event, see KB85494. [04912] (00007) W AVAS : received Information threat protection event: BO=SP Id=1092 [04912] (00007) W AVAS : NT AUTHORITY\SYSTEM ran C:\Program Files\Dell\Dell Data Protection\Advanced Threat Protection\CylanceSvc.exe, which attempted to access the process mfewch.exe, violating the rule "Core Protection - Protect McAfee processes from unauthorized access and termination", and was blocked. For information about how to respond to this event, see KB85494.
The McAfee SelfProtection_Activity.log may have entries like the following:
mfeesp(7716.9896) ApBl.SP.Activity: NT AUTHORITY\SYSTEM ran CYLANCESVC.EXE, which attempted to access MFEWC.EXE, violating the rule "Core Protection - Protect McAfee processes from unauthorized access and termination", and was blocked. For information about how to respond to this event, see KB85494. mfeesp(7716.9896) ApBl.SP.Activity: NT AUTHORITY\SYSTEM ran CYLANCESVC.EXE, which attempted to access MFEESP.EXE, violating the rule "Core Protection - Protect McAfee processes from unauthorized access and termination", and was blocked. For information about how to respond to this event, see KB85494. mfeesp(7716.9896) ApBl.SP.Activity: NT AUTHORITY\SYSTEM ran CYLANCESVC.EXE, which attempted to access MFEFW.EXE, violating the rule "Core Protection - Protect McAfee processes from unauthorized access and termination", and was blocked. For information about how to respond to this event, see KB85494. mfeesp(7716.9900) ApBl.SP.Activity: SPRINGSCREATIVE\jcampbe-la ran IE4UINIT.EXE, which tried to access HKCU\SOFTWARE\MICROSOFT\INTERNET EXPLORER\MAIN\ENABLE BROWSER EXTENSIONS, violating the rule "Web Control - Protect plug-in registry keys and values", and was blocked. For information about how to respond to this event, see KB85494.
Cause
The signing certificate from McAfee is not respecting the Cylance certificate and requires an update.
Resolution
The issue is resolved in Dell Endpoint Security Suite Enterprise v3.0 for Windows.
To contact support, reference Dell Data Security International Support Phone Numbers.
Go to TechDirect to generate a technical support request online.
For additional insights and resources, join the Dell Security Community Forum.
Affected Products
Dell Endpoint Security Suite EnterpriseArticle Properties
Article Number: 000189881
Article Type: Solution
Last Modified: 10 Jul 2024
Version: 10
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