Notice

Various information is provided including new products, AppCheck update details, and event information.

[Release Notes] AppCheck update history (latest version: 2.5.47.1)

Latest Update History
(Version update time for the Pro is delayed maximum 24 hours to provide maximum stability.)


Version 2.5.47.1 (2. Jun. 2020. 06:00 UTC)

  • Fixed BSOD issue caused by SMB Server Protection
  • Fixed AppCheck Automatic removal under CMS environment


Previous Update
 

Version 2.5.46.2 (21. May. 2020. 04:00 UTC)

  • Improved RansomGuard detection
  • Improved ExploitGuard detection
  • Improved protection inside Ransom Shelter
  • Added to display MD5 column in English OS.
  • Fixed AppCheck Cleaner error when force quit using TaskManager
  • Added genuine registration for Windows Server upon demo expiration
  • Improved false positive detections.


Version 2.5.45.2 (8. April. 2020. 02:00 UTC)

  • Improved stability of Exploit Guard (Internet Explorer)
  • Improved False Positive


Version 2.5.44.5 (30. Mar. 2020. 05:00 UTC)

  • Improved detection log
  • Enhanced Exploit Guard detection
  • Fixed an error in file extensions for protection
  • Improved issues related to License Expiration
  • AutoBackup ignores RansomShelter folder
  • Improved blocking issue during AppCheck service starts
  • AppCheck free version updates using P2P
  • Dropped support in Windows environment where SHA-2 signature cannot be verified
  • Improved False Positive detections



Version 2.5.43.4 (28. Jan. 2020. 01:00 UTC)

  • Verification of the SHA-2 Codesign support during update process.
  • Displays tray notification popup in operating system where SHA-2 support is not available.

 

Version 2.5.43.2 (20. Jan. 2020. 06:00 UTC)

  • Improved Ransomware detection and roll-back
  • Improved stability of Exploit Guard
  • Improved feature related to emptying Ransom Shelter
  • Improved detection logging
  • Improved displaying AppCheck Notification Icon
  • Improved CMS policy update
  • Improved applying CMS auto-backup configuration
  • Fixed various minor issues in CMS
  • Improved issues related to License Expiration
  • Improved Cleaner update
  • Improved False Positive 


Version 2.5.42.1 (11. Dec. 2019. 04:00 UTC)

  • Fixed Exploit Guard issue caused by Chrome Update Version 79.0.3945.79


Version 2.5.41.2 (13. Nov. 2019. 04:10 UTC)

  • Improved stability of Exploit Guard.
  • Improved Exploit Guard detection stability.
  • Displays prompt when there are files cannot be removed while emptying RansomShelter.
  • Fixed AutoBackup configurations is cleared in certain cases.
  • More options on emptying RansomShelter.
  • Improved  false positive detections


Version 2.5.38.1 (23. Oct. 2019. 03:40 UTC)

  • Improved AppCheck Update Stability
  • Fixed Chrome update and installation issue caused by Exploit Guard
 

    Version 2.5.35.2 (7. Oct. 2019. 05:00 UTC)

    • Fixed where starts update during Genuine Registration even Automatic Update is disabled.
    • AppCheck Security Enhancement
    • Fixed BSOD during GEARS5 game installation and update.
    • Fixed “Failed to recover” message is not displayed in CSV export of Threat Log.
    • Fixed problems running AppCheck.exe repeatedly in the service


    Version 2.5.34.6 (17. Sep. 2019. 01:30 UTC)

    • Fixed restore to defaults button is enabled when using Lock.
    • Fixed bluescreen during reboot or shutdown after ransomware detection in certain conditions.
    • Fixed Cleaner stops in 3% during the scan.


    Version 2.5.34.2 (09. Sep. 2019. 06:00 UTC)

    • Fixed issues while Policy is applied to specific agents
    • Improved Cleaner features
    • Fixed file recovery issue in SMB Server
    • Improved better message texts when license registration
    • Added “Failed to Recover” type in Action in Detection log
    • Added “Lock Options” feature for AppCheck Pro
    • Fixed file recovery issue in Network Drive
    • Improved  false positive detections



     

    Version 2.5.33.5 (10. Aug. 2019. 05:00 UTC)

    • Fixed when file timestamps are miswritten when restored.


    Version 2.5.33.4 (9. Aug. 2019. 05:30 UTC)

    • Fixed duplicated AppCheck.exe process.
    • Improved roll-back method after detection.
    • Fixed BSOD when detecting ransomware behavior in specific environment.
    • Fixed Cleaner running process terminates when closing Main window.
    • Fixed license expiration message displaying every 1 hour.
    • Fixed hang when AppCheck application is abnormally terminated.
    • Add detailed options for Ransom Guard (Usage of RansomShelter, Hide Directory, detailed periods when deleting files)
    • Improved false-positive detections.


    Version 2.5.32.3 (23. Jul. 2019. 01:30 UTC)

    • Improved funtionaliy when emptying ransom shelter
    • Added to force to restart AppCheck Tray Icon
    • Removed Exit menu item in AppCheck Tray Icon
    • Fixed context menu in Detection Log and Quarantine
    • Improved path processing method in Whitelist Items
    • Added MD5 hash in detection log
    • Improved false positive


    Version 2.5.31.2 (2. Jul. 2019. 09:00 UTC)

    • Improved Ransomware detection and roll-back process
    • Fixed error when file has more than 256 letters in path while emptying ransom shelter.
    • Improved update period for personal users.
    • Improved to update when waking up from the hibernation. (Only for AppCheck Pro)
    • Improved method to add service in registry
    • Improved false positive

    Version 2.5.30.3 (21. Jun. 2019. 02:00 UTC)
    • Improved Ransomware detection and rollback process.
    • Improved AutoBackup process.
    • Added Set to default button in Option window
    • Improved UI display in specific screen resolution environment.
    • Improved usability of empty RansomShelter.
    • Fixed when adding whitelist upon SMB detection.
    • Improved method to display AppCheck tray icon.
    • Fixed other minor issues.
    • Improved false positive detections.


    Version 2.5.29.2 (12. Jun. 2019. 05:00 UTC)

    • Added CAPTCHA during the uninstallation
     



    Version 2.5.27.2 (5. Jun. 2019. 08:00 UTC)

    • Removed False Positive


    Version 2.5.27.1 (5. Jun. 2019. 05:00 UTC)

    • Improved ransomware detection and roll-back


    Version 2.5.26.1 (13. May. 2019. 04:00 UTC)

    • Improved Stability


      Version 2.5.25.3 (22. April. 2019. 05:00 UTC)

      • Added Log mode for RansomGuard (for CMS Agents)
      • Improved Translations in SMB allow/block option
      • Fixed Help link
      • Added support for C-Report.


      Version 2.5.24.3 (12. April. 2019. 05:00 UTC)

      • Added option to enable SMB allow and block (Pro only)
      • Improved stability of SMB Server protection
      • Improved detection of SMB Server protection
      • Added to lock/unlock options in CMS
      • Improved ransomware detection
      • Improved false positive detections


       

      Version 2.5.22.1 (26. Mar. 2019. 06:00 UTC)

      • Improved false positive detections - Detecting explorer.exe while rotating picture or editing MP3 tags


      Version 2.5.21.1 (18. Mar. 2019. 05:30 UTC)

      • Fixed BSOD in specific condition.
      • Improved to log while receiving  policy.
      • Improved language support.
      • Other minor improvement.

       

      Version 2.5.19.1 (08. Jan. 2019. 00:30 UTC)

      • Improved Real-time protection
      • Stabilized Driver serial port


      Version 2.5.18.6 (06. Dec. 2018. 01:30 UTC)

      • Improved response to false positive detections
      • Improved Self Protection
      • Stabilized backup
      • Added information of CMS log


      Version 2.5.17.1 (23. Oct. 2018. 04:00 UTC)

      • Improved response to false positive detections
      • Improved Cleaner log
      • Stabilized other products


      Version 2.5.16.2 (12. Oct. 2018. 03:30 UTC)

      • Improved false positive detections


      Version 2.5.16.1 (05. Oct. 2018. 14:30 UTC)

      • Improved stability of whitelisted process


      Version 2.5.15.1 (04. Oct. 2018. 11:00 UTC)

      • Improved kernel driver stability.


      Version 2.5.14.1 (27. Sep. 2018. 06:00 UTC)

      • Improved verification of license registration
      • Deactivated Exploit Guard and Cleaner in Server version
      • Stabilized Driver
      • Improved false positive detection
      • Included schedule backup



      Version 2.5.13.1 (13. Sep. 2018. 10:00 UTC)
      • Added Registry Protection
      • Added log Cleaner and log size limititation

      Version 2.5.12.1 (30. Aug. 2018. 09:00 UTC)
      • Applied perpetual license for CMS
      • Improved false positive detection

      Version 2.5.11.1 (01. Aug. 2018. 06:00 UTC)
      • Improved false positive detection

      Version 2.5.10.1 (27. Jul. 2018. 07:00 UTC)
      • Improved kernel driver stability

      Version 2.5.9.2 (18. Jul. 2018. 06:00 UTC)
      • Fixed submit detection log

      Version 2.5.9.1 (18. Jul. 2018. 04:00 UTC)
      • Detailed logging of Real-time protection state changes by user.
      • Fixed update issue of Cleaner

      Version 2.5.8.3 (11. Jul. 2018. 09:30 UTC)
      • Fixed license recognition issue in specific environment.

      Version 2.5.8.2 (29. Jun. 2018. 02:40 UTC)
      • Improved false positive detection

      Version 2.5.8.1 (25. Jun. 2018. 07:00 UTC)
      • Applied policy for perpetual license
      • Changed URL address to extend period(For individual customers only)

      Version 2.5.7.1 (08. Jun. 2018. 07:30 UTC)
      • Improved false positive (MS Store, SpyHunter , etc)

      Version 2.5.5.1 (16. May. 2018. 08:00 UTC)
      • Improved Exploit Guard detection stability.

      Version 2.5.4.2 (25. Apr. 2018. 09:00 UTC)
      • Improved stability of SMB server protection.
      • Improved stability of Auto Backup.
      • Improved stability of Exploit Guard.

      Version 2.5.3.2 (11. April. 2018. 06:40 UTC)
      • Improved SMB server protection stability.

      Version 2.5.3.1 (10. April. 2018. 12:30 UTC)
      • Improved kernel driver stability.

      Version 2.5.2.1 (06. April. 2018 07:30 UTC)
      • Enhanced stabilization of Exploit Guard.
      • Improved Cleaner detection (related Chrome update).
      • Improved using Cleaner resource.

      Version 2.5.1.1 (30. Mar. 2018 07:30 UTC)
      • Fixed where Cleaner doesn't execute.
      • Fixed automatic windows while running Cleaner
      • Fixed to automatically close Cleaner while uninstalling.

      Version 2.5.0.1 (28. Mar. 2018 03:30 UTC)
      • Added Cleaner function





       
      • Improved Self Protection
      • Improved Ransom Guard detection (INFINITT Viewer)
      • Fixed service to restart automatically while update error

      Version 2.4.11.2 (16. Mar. 2018. 02:30 UTC)
      • Improved Exploit Guard performance (Firefox)
      • Automatic service restart in update failures

      Version 2.4.11.1 (15. Mar. 2018. 09:00 UTC)
      • Improved Ransom Guard detection
      • Enhanced compatibility (Avira)
      • Added Opera browser protection 
      • Improved submit detection info

      Version 2.4.10.3 (03. Mar. 2018. 11:30 UTC)
      • CMS Interconnection Improvement.

      Version 2.4.10.1 (08. Feb. 2018. 08:00 UTC)
      • Stabilized Exploit Guard 
      • Exploit Guard official release (Set enable by default)
      • Fixed files remaining when uninstall AppCheck

      Version 2.4.9.1 (07. Feb. 2018. 07:00 UTC)
      • Improved Exploit Guard(Beta) detection
      • Improved compatibility of Exploit Guard(Beta) (IE, Chrome, etc)
      • Improved to show detection details in alert message of Exploit Guard(Beta)
      • Added to send exploit detection logs to CMS
       

      Version 2.4.8.1 (Feb 6. 2018. 03:00 UTC)

      • Fixed Exploit Guard Application execution error (Edge Browser)
      • Improved false positive in Exploit Guard (Internet Explorer, etc).


      Version 2.4.7.1 (01. Feb. 2018. 13:30 UTC)

      • Improved compatibility of Exploit Guard (Microsoft Edge browser, etc)


      Version 2.4.6.2 (01. Feb. 2018. 10:00 UTC)

      • Improved compatibility of Exploit Guard (Kaspersky,360 total security,etc)


      Version 2.4.5.3 (31. Jan. 2018. 14:00 UTC)

      • Improved compatibility of Exploit Guard (Web Browsers)


      Version 2.4.5.2 (31. Jan. 2018 08:00 UTC)

      • Improved false positive in Exploit Guard (Firefox, etc).
      • Removed unnecessary log when session program ends.
      • Fixed slow certificate verification process in first time installation.
       

      Version 2.4.4.2 (30. Jan. 2018 08:00 UTC)

      • Fixed minor bug 


      Version 2.4.4.1 (30. Jan. 2018 04:00 UTC)

      • Added to verify  code sign certificates for Exploit Guard.
      • Improved driver stability.
      • Set enable Exploit Guard  by default (for first time install)

      ​​​​​

      Version 2.4.3.1 (29. Jan. 2018 09:00 UTC)

      • Added option on CMS to upload suspicious file.
      • Improved driver stability.
      • Improved false positive (Battlefield 4, etc)
      • Fixed whitelisted files doesn't apply immediately.


      Version 2.4.2.4 (25. Jan. 2018 07:00 UTC)

      • Improved false positive in Exploit Guard (Firefox)
      • Improved Exploit Guard(beta) compatibility between other security modules(IObit, Malwarebytes, MarkAny).


      Version 2.4.2.2 (24. Jan. 2018 05:00 UTC)

      • Improved process protection in Exploit Guard(Beta)
      • Fixed application execution error while Exploit Guard is running
      • Improved false positive in Exploit Guard (Excel)


      Version 2.4.2.1 (23. Jan. 2018 11:00 UTC)

      • Added interconnection of Exploit Guard option to CMS 
      • Fixed incorrectly applied option of Exploit Guard


      Version 2.4.1.2 (23. Jan. 2018 07:00 UTC)

      • Improved process protection in Exploit Guard(Beta)
      • Improved false positive in Exploit Guard (IE, PotPlayer)


      Version 2.4.1.1 (19. Jan. 2018 07:00 UTC)

      - Added Exploit Guard (beta)
      - Added Suspicious file collection
      - Improved minor issues

      Version 2.2.7.1 (23. Dec. 2017 03:00 UTC)

      • Improved false positive (Hancom Wordprocessor update, Outlook)
      • Improved policy update interval in CMS
      • Fixed to apply update change of license from CMS
      • Added ost, pst to default protected extensions


      Version 2.2.6.1 (22. Dec. 2017 08:00 UTC)

      • Improved false positive (Hancom Wordprocessor update)
      • Improved policy update interval in CMS
      • Fixed to apply update change of license from CMS
      • Added ost, pst to default protected extensions


      Version 2.2.5.1 (12. Dec. 2017 01:00 UTC)

      • Improved Product Update.
      • Fixed registration failed in multi network interface environment
      • Improved false positive (IE, Chrome, etc)
      • Updated SHA1 Codesign certificate

           

          Version 2.2.4.1 (17. Nov. 2017 04:00 UTC)

          • Improved False positive.
          • Fixed to stop scanning process when closing main window.
          • Improved roll-back logic for some ransomwares.
          • Fixed other minor issues.


          Version 2.2.2.1 (14. Nov. 2017. 04:00 UTC)

          • Fixed case where shutting down critical process which causes BSOD.
          • Improved false positive.


          Version 2.2.1.2 (10. Nov. 2017 09:00 UTC)

          • Improved emptying RansomShelter feature.
          • Improved detection of Memory mapped type encryption ransomware
           

          Version 2.2.0.1 (08. Nov. 2017. UTC 04:00)

          • Enabled MBR Protection (Free version)
          • Added network drive protection (Pro version)
          • Added removable drive protection (Pro version)
          • Improved RansomShelter for real-time backup and rollback.
          • Added File destruction behavior count for detection (CMS)
          • Fixed system scan keep running background when canceled by the user.


           

          Version 2.1.10.1 (4. Nov. 2017. 08:00 UTC)

          • Reinforce the detection for ransomware simulator “RanSim” (13/13)


           

          Version 2.1.9.1 (2. Nov. 2017 14:00 UTC)

          • Rollback of change for issues in some cases.
           

          Version 2.1.7.1 (30. Oct. 2017 04:00 UTC)

          • Improved to scan all processes while re-detecting ransomware behavior
          • Improved the detection of suspicious file deletion activity


          Version 2.1.6.1 (26. Oct. 2017 04:00 UTC)

          • Fixed where a file cannot be saved to network shared folder in a specific environment.
           

          Version 2.1.5.3 (20. Oct. 2017. 07:30 UTC)

          • Fixed in some cases file is not restored in network shared folders
          • Changed to only empty existing folders on "Empty RansomShelter"
          • Fixed where bug is not displaying in English and Japanese environment
          • Fixed to save event log after notification
          • Fixed where the detection path is left empty in the logs when the same process was restarted after detecting the Ransomware behavior.


          Version 2.1.4.1 ( 13. Oct. 2017. 01:30 UTC)

          • Better Japanese language support.
          • Fixed in specific cases where alarm windows pop up when opening the main window.
          • Improved detection on Hancom products update.


          Version 2.1.3.2 ( 28. Sep. 2017. 06:00 UTC)

          • IPv6 Support for Shared folder file protection.
          • Included version information in the installer file.


          Version 2.1.0.2 (26. Sep. 2017. 04:00 UTC)

          • Changed Japanese language UI
          • Supports bottom notice update  (excluded in Japanese)


          Version 2.1.0.1 (20. Sep. 2017. 05:00 UTC)

          • New user interface
          • Added feature to empty RansomShelter


          Version 2.0.2.18 (13. Sep. 2017. 09:00 UTC)

          • Improved Ransomware detection


          Version 2.0.2.17 (11. Sep. 2017. 04:30 UTC)

          • Fixed BSOD of opening Excel files in a specific environment.
          • Improved detection and remediation (in repeated detection cases)


          Version 2.0.2.15 (7. Sep. 2017. 11:00 UTC)

          • Added to Support to use wildcard characters(*?) in whitelist for CMS Controlled Agents.
          • Updated Japanese resources and changed web link.
          • Updated SHA2 codesign certificate.

          Version 2.0.2.14 (1. Sep. 2017. 05:00 UTC)
          • Improved ransomware detections.
          • Added to process username in CMS Agents.
          • Changed to block CMS Company ID input box, so user cannot modify.
          • Improved key activation process in the multilingual environment.
          • Added default extension for protection related to Japanese word processor(jbw, jtd)

          Version 2.0.2.13 (30. Aug. 2017. 03:00 UTC)
          • Enhanced file protection in network shared folders.

          Version 2.0.2.12 (21. Aug. 2017. 07:00 UTC)
          • Fixed minor issue in Ransom Shelter.
          • Changed main notification (only applies to Korean users).

          Version 2.0.2.10 (18. Aug. 2017. 07:00 UTC)
          • Improved RansomShelter file maintaining date now can be defined by user (default 7 days)
          • Fixed RansomShelter files don't automatically remove in network folders.
          • Changed Japanese resource and web link.
          • Improved version indication text in the main window.



          Version 2.0.2.9 (1. Aug. 2017. 04:30 UTC)
          • Fixed to upgrade issue where UAC is turned off and "User Account" type is "Standard user".
          • Improved false positive during uninstallation of some applications.
          • Improved multilingual support while applying CMS Policy.
          • Added alert message box when the user doesn't have the privilege for installation and uninstallation.
          • Removed "CMS Enterprise" option in "Option > Auto Backup > Backup Location".


          Version 2.0.2.7 (27. Jul. 2017. 10:30 UTC)
                • Improved to download dedicated update installer file on update.
                • Fixed where Korean text displayed for uninstaller shortcut.
                • Changed CI image in installer.
                • Improved Japanese translation.


                Version 2.0.2.6 (24. Jul. 2017. 06:00 UTC)
                      • Fixed BSOD while detecting ransomware in certain condition.

                      Version 2.0.2.5 (20. Jul. 2017. 06:30 UTC)
                            • Added Self Protection for Process(AppCheckS.exe)
                            • Enhanced MBR Protection (supports GPT environment) 
                            • Enhanced remediation method for continuously detecting Ransomware (Matrix Ransomware, etc)
                            • Blocks repetitive execution of files upon detection of Ransomware behavior
                            • Notifies to the user when error occurs on manual update.


                            Version 2.0.2.4 (4. Jul. 2017. 06:00 UTC)

                                  • Fixed a problem that AppCheck installation path can not be updated and reinstalled if it is not the default path (C:\Program Files\CheckMAL\AppCheck)
                                  • Improved security of file protection in shared folders in server environment
                                  • Change setup program file name during automatic update
                                  • Enhanced handling of CMS protocol exceptions
                                   

                                  Version 2.0.2.3 (28. June. 2017. 07:00 UTC)

                                        • Fixed the problem that the original file can not be restored automatically after blocking certain types of randomware
                                        • Fixed a problem that caused BSOD under certain circumstances
                                        • Notice for distribution of Petya Ransomware Notice (free user)
                                         

                                        Version 2.0.2.2 (26. June. 2017. 04:00 UTC)

                                              • Improved False Positives (Chrome, CcmExec)
                                               

                                              Version 2.0.2.1 (23. June. 2017. 04:30 UTC)

                                                    • Improved RansomGuard (Real-time backup) to not backup files with zero byte.
                                                    • Improved False Positives (Excel, Kollus, IDT, Android-studio, AlMind, Avira etc)
                                                    • Changed path for update download and installation
                                                    • Fixed where update doesn't work in specific environment
                                                     

                                                    Version 2.0.1.17 (16. June. 2017. 08:00 GMT)

                                                          • Detection Improved on thread-level encryption Ransomwares.
                                                          • Fixed memory leak in specific situations
                                                          • False Positive Improvement

                                                          Version 2.0.1.16 (13. June. 2017. 17:00 KST)
                                                          • User can define number of history files in AutoBackup (Applies to CMS together)
                                                               : This feature limits history files to user defined number, and removes old history files.
                                                                The default value is 3 and can be changed to 0~10.
                                                               
                                                               * Important * 
                                                               In previous version, history files were remained unlimited, but starting from this version, default is set to 3. This will cause remove old history files, remaining 3 history files.
                                                            
                                                          • Free version update cycle extended from every 3 hours to 6 hours.
                                                          • False Positive Improvement
                                                          • Multilingual translation

                                                          Version 2.0.1.15 (29. May. 2017. 16:30 KST)
                                                          • False Positive Improvement
                                                          • Detection Improvement

                                                          Version 2.0.1.14 (24. May. 2017. 05:00 PST)
                                                          • False Positive Improvement
                                                          • Detection Improvement

                                                          Version 2.0.1.12 (24. May. 2017. 14:00 PST)
                                                          • False Positive Improvement
                                                          • Detection Improvement

                                                          Version 2.0.1.11 (19. May. 2017. 19:00 PST)
                                                          • False Positive Improvement
                                                          • Fixed the problem of unregistering in a specific environment

                                                          Version 2.0.1.10 (18. May. 2017. 10:30 PST)
                                                          • Improved and enhanced detection.
                                                          • Automatic recognition of proxy setting of operating system.
                                                          • Improved Multilingual(English) translation.
                                                          • Removed unnecessary UI in blocking notification window.
                                                          • Maintain the sorting in quarantine log.
                                                          • Fixed in rare environments where user clicks update notification, displays block notification window.
                                                          • Fixed the problem of unregistering in a specific environment (when using multiple HDDs with different connection methods)

                                                          Version 2.0.1.8 (4. Apr. 2017. 17:00 PST)
                                                          • Tray alert improvement.
                                                          • Better English Language support.
                                                          • Re-Purchase URL link update.

                                                          Version 2.0.1.7 (31. Mar. 2017. 13:00 PST)
                                                          • Deleted additional file extensions for protection (*.ini)

                                                          Version 2.0.1.6 (30. Mar. 2017. 15:00 PST)
                                                          • Better Japanese Language support.
                                                          • Improved License validation.
                                                          • CMS Interconnection Improvement.
                                                          • Added additional file extensions for protection (*.ini, *.lnk)

                                                          Version 2.0.1.5 (21. Mar. 2017. 10:00 PST)
                                                          • Detection Improvement
                                                          • False Positive Improvement

                                                          Version 2.0.1.4 (8. Mar. 2017 01:00 PST)
                                                          • Better Japanese support 
                                                          • User trust file Improvements

                                                          List

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