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 Trend Micro, Inc.                                          May 30, 2024 
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      VSAPI For DLL 32/64-bit,               Version 24.550 - Build 1002
      VSAPI For NTKD 32/64-bit,              Version 24.550 - Build 1002
      VSAPI For Linux 32/64-bit,             Version 24.550 - Build 1002
      VSAPI For Linux Graviton 64-bit,       Version 24.550 - Build 1002
      VSAPI For MAC x86_64 64-bit,           Version 24.550 - Build 1002
      VSAPI For MAC M* 32/64-bit,            Version 24.550 - Build 1002
      VSAPI For Solaris SPARC 32bit,         Version 24.550 - Build 1002
      VSAPI For Solaris x86_64 64-bit,       Version 24.550 - Build 1002
      VSAPI For AIX 64-bit,                  Version 24.550 - Build 1002

      ATSE For DLL 32/64-bit,                Version 24.550 - Build 1002
      ATSE For Linux 32/64-bit,              Version 24.550 - Build 1002
      ATSE For Linux Graviton 64-bit,        Version 24.550 - Build 1002
      ATSE For Linux PowerPC 64-bit,         Version 24.550 - Build 1002
      ATSE For MAC x86_64 64-bit,            Version 24.550 - Build 1002
	   ATSE For MAC M* 64-bit,                Version 24.550 - Build 1002
      ATSE For Solaris x86_64 64-bit,        Version 24.550 - Build 1002
      ATSE For Solaris SPARC 32bit,          Version 24.550 - Build 1002
      ATSE For AIX 64-bit,                   Version 24.550 - Build 1002

 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

  Note: This readme file is current as of the date above. However, all
        customers are advised to check Trend Micro's Web site for
        documentation updates at:

        http://www.trendmicro.com/download/

        Register online with Trend Micro within 30 days of installation
        to continue downloading new pattern files and product updates
        from the Trend Micro Web site. Register during installation or
        online at:

        http://olr.trendmicro.com/

     Contents
     ===================================================================
     1.  About VSAPI/ATSE
         1.1 Overview of This Release
         1.2 Who Should Install This Release
         1.3 Files Included in This Release
     2.  What's New
         2.1 New Features
         2.2 Enhancements 
     3.  Documentation Set
     4.  System Requirements
     5.  Installation/Un-installation
         5.1 Installation
         5.2 Un-installation
     6.  Post-Installation Configuration
     7.  Known Issues
     8.  Release History
     9.  Contact Information
     10. About Trend Micro
     11. License Agreement
     ===================================================================

1. About VSAPI
========================================================================
   The Trend Micro virus scan engine, VSAPI (short for Virus Scan
   Application Program Interface) is a robust, industry-leading,
   carrier class virus scanning and cleaning module. It is at the
   heart of all Trend Micro enterprise and personal antivirus
   products.

   1.1 Overview of This Release
   =====================================================================
   VSAPI 21.600-1005~ is the official release that include 
   several new features and enhancements for Windows DLL, KD, 
   and various unix-like platform. 
   They also include all applicable bug fixes released earlier. 

   1.2 Who Should Install This Release
   =====================================================================
   Install this release if you are running an earlier VSAPI version,
   especially if you are experiencing issues.

   1.3 Files Included in This Release
   =====================================================================
       Module Filename                          Build No.    
       vsapi32.dll                              24.550.0.1002
       vsapi64.dll                              24.550.0.1002 
       vsapiNT.sys/TMFilter.sys/TMXPFlt.sys     24.550.0.1002	   
       libvsapi.so                              24.550.0.1002
	    libvsapi.o                               24.550.0.1002
       libvsapi.dylib                           24.550.0.1002
       atse32.dll                               24.550.0.1002
       atse64.dll                               24.550.0.1002
       libatse.dylib                            24.550.0.1002
       libatse.so                               24.550.0.1002
       libatse.o                                24.550.0.1002

 2. What's New
 =======================================================================
    2.1 New Features
    ====================================================================
      2.1.1  Process memory scan
      2.1.2  Heuristic rule for abnormal decompress ratio
      2.1.3  ATSE Sandbox Nomination improvement
      2.1.4  VSAPIX pattern loaded disabling the feature
      2.1.5  Trendx trigger ID for AMaaS Product
		2.1.6  New PDF Security Handler Encryption Support
		2.1.7  VSAPIX engine model backward compatible 
      2.1.8  VSAPIX whitelist
		2.1.9  TrendX supports PowerShell model
      2.1.10 Rational scan
      2.1.11 ASR Solution Enhancement
      2.1.12 Add 5 new sub-types of AutoCAD

		
    2.2 Enhancements
    ====================================================================
        2.2.1  Engine Escalation Cases
        2.2.2  AM Infra Opration Requests
        2.2.3  Various Bugs Fixing
         Query source operator
         Trend Micro Apex One Improper Access Control Local Privilege Escalation Vulnerability
         ATSE/VSAPI SPN feedback alignment
         Removable drive type skip scanning in NTKD
         Share file flag and MAX_ALLOWED desired access cause scanning skipped in NTKD
         AM missed some viruses in zip file while reported them were deleted to dsm
			Interops mitigation - Shorten lock file threshold.
         Worker thread newly added error code TIMEOUT_ERR conflict with existing error code MISCONFIG_ERR
         Dot Tailing Behind File Extension from ERS
         Whitelist predictable system process that will cause BSoD
         Add back the etw feedback for whitelisted process
         Sync Digital Signature Record to zip parser fix to NTKD platforms
         Enable IO filter during pattern update to prevent self-protect disabling.
         RansomNote Detector stack usage reduction
         Extracted incorrect filename when met file embedded MIME

        2.2.4  ATSE Monthly Release Merge
         SPN feedback cmdline limit extend
         SHA2 and subject process in SPN feedback
         Improve XDR Information
         MIME Content Extraction has Problem through Based64 Decode
			
3. Documentation Set
========================================================================
   In addition to this readme file, products that leverage VSAPI
   typically include their own readme files and the following documents:

   o Getting Started (or Administrator's) Guide -- product overview,
     installation planning, installation and configuration instructions,
     and basic information intended to get you "up and running."

     Electronic versions of the printed manuals are available at:

     http://www.trendmicro.com/download/

   o Online help -- Context-sensitive help screens that provide guidance
     for performing a task.

   o Knowledge Base -- a searchable database of known product issues,
     including specific problem-solving and troubleshooting topics.

     http://esupport.trendmicro.com


4. System Requirements
========================================================================
   Please refer to your product documentation.


5. Installation/Un-installation
========================================================================
   Please refer to your product documentation.


6. Post-Installation Configuration
========================================================================
   Please refer to your product documentation.

   Note: Trend Micro recommends that you update your scan engine and
   virus pattern files immediately after installing the product.


7. Known Issues
========================================================================
   1. Application hang when scanning specific PDF file 
    

8. Release History
========================================================================
   VSAPI/ATSE 24.550 Official Release(build 1002)           May 30, 2024

9. Contact Information
========================================================================
   A license to the Trend Micro software usually includes the right to
   product updates, pattern file updates, and basic technical support
   for one (1) year from the date of purchase only.  After the first
   year, Maintenance must be renewed on an annual basis at Trend Micro's
   then-current Maintenance fees.

   You can contact Trend Micro via fax, phone, and email, or visit us
   at:

   http://www.trendmicro.com

   Evaluation copies of Trend Micro products can be downloaded from our
   Web site.

   Global Mailing Address/Telephone Numbers
   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   For global contact information in the Asia/Pacific region, Australia
   and New Zealand, Europe, Latin America, and Canada, refer to:

   http://www.trendmicro.com/en/about/overview.htm

   The Trend Micro "About Us" screen displays. Click the appropriate
   link in the "Contact Us" section of the screen.

   Note: This information is subject to change without notice.


10. About Trend Micro
========================================================================
   Trend Micro, Inc. provides virus protection, anti-spam, and
   content-filtering security products and services. Trend Micro allows
   companies worldwide to stop viruses and other malicious code from a
   central point before they can reach the desktop.

   Copyright 2015, Trend Micro Incorporated. All rights reserved.
   Trend Micro and the t-ball logo are trademarks of Trend Micro
   Incorporated and are registered in some jurisdictions. All other
   marks are the trademarks or registered trademarks of their respective
   companies.


11. License Agreement
========================================================================
   Information about your license agreement with Trend Micro can be
   viewed at:

   http://www.trendmicro.com/en/purchase/license/

   Third-party licensing agreements can be viewed:
      - By selecting the "About" option in the application user
        interface
      - By referring to the "Legal" page of the product's Getting
        Started Guide or Administrator's Guide