MSOffice/Agent.A!tr

Analysis

MSOffice/Agent.A!tr is a generic detection for a type of trojan that uses Microsoft Office to drop other malware onto the compromised computer. Since this is a generic detection, files that are detected as MSOffice/Agent.A!tr may have varying behavior.
Below are examples of some of these behavior:

• Contains two malicious OLE objects labeled "Details Package" with thumbnails of Excel and Word Documents to entice victims to double-click and execute the malware.


• The OLE objects contain malicious Javascript to download and execute the Cerber ransomware.

Recommended Action

• Make sure that your FortiGate/FortiClient system is using the latest AV database.
• Quarantine/delete files that are detected and replace infected files with clean backup copies.