Download and install Hot Fix Build 4197 to enable ScanMail for Exchange (SMEX) 11.0 to use the latest Advanced Threat Scan Engine (ATSE) which contains new rules to detect macro threats in Microsoft Office files.
ATSE 9.826.0.1068 also allows the emails with PDF attachments to be scanned. In the previous ATSE version, emails that register “Over restriction (compression ratio)” in the log query or quarantine information are skipped during scan.
Contact Trend Micro Technical Support to request a copy of Hot Fix Build 4197.
For more information, check the attached Readme file.