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Trend Micro Incorporated                              January 22nd, 2021
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                  Trend Micro(TM) IM Security 1.6 - GM
                      English - Windows - 64 Bits
                      Critical Patch - Build 2110
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

    Contents 
    ================================================================

    1.  Critical Patch Release Information 

        1.1 Resolved Known Issues 

        1.2 Enhancements 

        1.3 Files Included in This Release 

    2.  Documentation Set 
    
    3.  System Requirements 
        
    4.  Installation 

        4.1 Installing 

        4.2 Uninstalling 
    
    5.  Post-installation Configuration 

    6.  Known Issues 

    7.  Release History 

    8.  Contact Information 

    9.  About Trend Micro 

    10. License Agreement 

    ================================================================
 

1. Critical Patch Release Information 
========================================================================
    
    1.1 Resolved Known Issues 
    ====================================================================
    This Critical Patch resolves the following issue(s): 

    
    Issue 1:      The VSAPI engine is affected by a ZDI CHM
                  vulnerability(ZDI-CAN-11049).
                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    Solution 1:   This Critical Patch updates the VSAPI engine to
                  resolve the ZDI CHM vulnerability.


 
    1.2 Enhancements 
    ====================================================================
    There are no enhancements for this Critical Patch release. 
 

    1.3 Files Included in This Release 
    ====================================================================
 
    A. Files for Current Issue
    ----------------------------------------------------------------
       Filename                                     Build No.
       -------------------------------------------------------------
       [IMSecurity folder]/engine/vsapi/latest/
        vsapi64.dll                                 12.500.0.1004
    
       [IMSecurity folder]/EManager/
        vsapi64.dll                                 12.500.0.1004
    
       [IMSecurity folder]/vsapi/PrimaryEngPth/
        vsapi64.dll                                 12.500.0.1004
    
    B. Files for Previous Issues
    ----------------------------------------------------------------
       Not applicable.
    
    
 

2. Documentation Set 
========================================================================

To download or view electronic versions of the documentation set for
this product, go to http://docs.trendmicro.com

- Online Help: The Online Help contains an overview of features and
  key concepts, and information on configuring and maintaining the
  product.

To access the Online Help, go to http://docs.trendmicro.com

- Installation Guide (IG): The Installation Guide contains information
  on requirements and procedures for installing and deploying the
  product.

- Administrator's Guide (AG): The Administrator's Guide contains an
  overview of features and key concepts, and information on configuring
  and maintaining the product.

- Getting Started Guide (GSG): The Getting Started Guide contains
  product overview, installation planning, installation and
  configuration instructions, and basic information intended to get the
  product 'up and running'.

- Support Portal: The Support Portal contains information on
  troubleshooting and resolving known issues.

- To access the Support Portal, go to http://success.trendmicro.com
 

3. System Requirements 
========================================================================
    1. Trend Micro IM Security 1.6 GM Build 2073 - English - Windows - x64
 

4. Installation 
========================================================================
This section explains key steps for installing the Critical Patch.

    4.1 Installing 
    ====================================================================
    
    To install:
    
    1. Copy the self-extracting file
       "imsecurity_165_win_en_criticalpatch3_b2110.zip" to a local folder.
    2. Run the "imsecurity_165_win_en_criticalpatch3_b2110.exe" file.
    3. In the setup screen, click "Install" and follow the on-screen
       instructions to complete the installation.
    
    The "Installation successful!" message appears after the system
    completes the installation.
    
    The following services restart automatically:
    * Trend Micro IM Security Server
    * Trend Micro IM Security System Attendant
    
    4.2 Uninstalling 
    ====================================================================    
    
    To roll back to the previous build:
    
    * Method 1: 
    1. Open the Registry Editor. Click "Start > Run". Type "REGEDIT"
       and press "Enter".

    2. Take note of the "Backup Dir" value in the registry key:
       "\HKEY_LOCAL_MACHINE\SOFTWARE\TrendMicro\IM
       Security\Hotfix\IM Security 1.6.5 Critical Patch 3\" 
       A typical value would be: "C:\Program
       Files\Trend Micro\IM Security\HotFix\B-2110"

    3. Run "Uninstall.bat" in the backup folder to start the
       rollback. The "Remove installation successful" message appears
       after the rollback completes.

    4. Click "OK". 

    * Method 2:
    1. Run the "imsecurity_165_win_en_criticalpatch3_b2110.exe" file.

    2. In the setup screen, click "Uninstall" and follow the
       on-screen instructions to complete the uninstallation.
    
    The "Uninstallation success!" message appears after the system
    completes the uninstallation.
     

5. Post-installation Configuration 
========================================================================
    
    No post-installation steps are required.
    
    NOTE: Trend Micro recommends that you update your scan engine and
    virus pattern files immediately after installing the product.
 

6. Known Issues 
========================================================================
    There are no known issues for this Critical Patch release. 
 

7. Release History 
========================================================================
    For more information about updates to this product, go to: 
        http://www.trendmicro.com/download

    Prior Hotfixes 
    ====================================================================
    There are no prior hotfixes.
 

8. Contact Information 
========================================================================
    
A license to 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, you must
renew Maintenance on an annual basis at Trend Micro's then-current
Maintenance fees.

Contact Trend Micro via fax, phone, and email, or visit our website to
download evaluation copies of Trend Micro products.

https://www.trendmicro.com/en_us/contact.html

NOTE: This information is subject to change without notice.
 

9. About Trend Micro 
========================================================================

Smart, simple, security that fits.

As a global leader in IT security, Trend Micro develops innovative
security solutions that make the world safe for businesses and consumers
to exchange digital information.

Copyright 2021, Trend Micro Incorporated. All rights reserved.

Trend Micro, the t-ball logo, OfficeScan, Trend Micro Security (for
Mac), Control Manager, Trend Micro Apex One, and Trend Micro Apex
Central are trademarks of Trend Micro Incorporated and are registered in
some jurisdictions. All other product or company names may be trademarks
or registered trademarks of their owners.
 

10. License Agreement 
========================================================================

View information about your license agreement with Trend Micro at: 
https://www.trendmicro.com/en_us/about/legal.html

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 Administrator's Guide

 