When an Extra DAT has been applied to multiple systems via ePO, an ePO query could provide visibility into the systems that have received this Extra DAT via a report that tracks systems that have the Extra DAT deployed.
For more information, see KB59410 - How to determine which computers have an Extra.DAT installed via ePO 4.x reporting: https://kc.mcafee.com/corporate/index?page=content&id=KB59410
For more resources, visit the McAfee Knowledge Base [support.mcafee.com] and search for Malware-related KBs. You can also visit the McAfee Malware Community at: https://community.mcafee.com/groups/global-malware-support-operations
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