Windows Agent Version 9.x Release Notes | ThreatLocker Help Center

Version 8.7.5, 9.0.1, 9.1.4, 9.3.4, 9.4.4 - Live

11/15/2024

Improvements

Fixed a datatype on SQLite-related limitation

Version 9.4.3 - Live

11/7/2024

Improvements

Improved Insights data collection by removing hashes for network and command line parameters on execution

Version 9.4.2 - Beta

11/5/2024

Improvements

Improved collected Insight information by clearing out the cache when the API request has failed

Version 9.4.1 - Beta

10/29/2024

New Features

Added an Option called 'CoreThrottle1000' that will throttle the downloading of core files to improve performance on machine's affected by excessive download of core files on Patch Tuesday

Version 9.4 - Live

10/29/2024

New Features

Added a new Configuration Manager policy "Reset Print Spooler ImagePath' that will reset the Print Spooler ImagePath
Major improvements to the baseline process! Baselining will now scan for a list of Key Files to build built-in policies first, then scan a second time to create additional custom applications and policies as needed. This will help prevent duplication of policies and application files that are shared with existing built-ins, making the baseline process more efficient.
New File History capturing in which the agent builds a Hash History database detailing how files interact with each other for better tracking of process chains and interactions in preparation for additional features
Improved security on ThreatLocker files while Tamper Protection is enabled
Add the capability to bypass the set Proxy on client machines so that the agent can go directly to TL APIs
Improved the logic to get longer file paths for processes
Added support for two new options, "AllFilesAsExecutableExSys:WScript.exe" and "AllFilesAsExecutable:Wscript.exe"
Improved the tray used in the VDI testing environment to have a wider box, helping prevent application names from being cut off in the dropdown
Added the ability for Detect to monitor and alert on ThreatLocker DB file size
Added further data validation to the Request Window to help ensure a Reason is inserted when it is required
Updated the ThreatLocker logo on all tray popups
The option for DriverDomainNameParsing will now support wildcards (*) and/or process names
Added logic to close the Tray QR code popup once a Maintenance Mode is started
Resolved an issue with excessive logging from multiple Password Manager Chromium extensions

Bugs and Fixes

Resolved an issue in which the service was incorrectly discarding leading wildcards in monitored storage paths
Resolved an issue where the tray popup for Elevation maintenance mode was not closing properly when ending from the tray or reaching the end of the schedule
Resolved an issue with Elevation control where administrators were being removed using the 'Remove All Except' that are included in the exception list
Resolved an issue in which CMD line arguments were not being displayed in the full path in the Unified Audit
Resolved an issue in which changing a computer's date/time via PowerShell resulted in a temporary pause in the ThreatLocker Service
Resolved an issue in which Deploying Policies was not clearing the deny cache for Ringfencing
Resolved an issue in which unknown Chromium extension names were being incorrectly displayed
Resolved an issue in which unwanted file blocks were occurring due to a recent change in defender atp
Resolved an issue in which creating or editing a Tag was not forcing a full check-in, resulting in a delay in endpoints receiving the changes
Resolved an issue where administrators were being removed through Elevation control but not verified to have login privileges, causing the account to not be accessible
Resolved an issue in which Isolate mode was not disconnecting active network connections
Resolved an issue in which .py scripts were being logged as executes when being moved using Robocopy
Resolved an issue in which Network Shares were still accessible when a machine was Isolated
Resolved an issue in which the Full Path was not showing command line args
Resolved an issue in which Organization and Group level Exclusions were not working as expected
Resolved an issue in which the Configuration Manager policy "Delivery Optimization Service" was causing Windows updates to fail
Resolved an issue where hashes containing only zeros were being reported in installation and elevation logs
Resolved an issue in which Network Control was interfering with applications being run from a dev drive
Resolved an issue in which Detect was not alerting when a registry key was changed when a condition to monitor registry keys was set
Resolved an issue in which Network Control policies set to block access to specified locations were not working as expected until the Browser cache was cleared
Resolved an issue in which inserting variables into the body of a Call Webhook or Call RestAIP were causing the json to be invalid
Resolved an issue in which Detect policies would not alert on apps that didn't exist in the apps.db, even when a condition explicitly called out the application
Resolved an issue in which end users were receiving both the ThreatLocker UAC and the Windows UAC when attempting to run an application as Administrator
Resolved an issue with removing domain users from the Local Administrators group when using Elevation control. They will be placed in the local users group, if not already, on removal.
Resolved an issue in which file paths were incorrectly being monitored, causing unexpected Ringfencing denies
Resolved an issue in which Elevation Control > Remove Selected was unable to removed Domain Users from the local Administrator group if the Domain User was already in the local Users group

Version 9.3.3 - Live

9/30/2024

Improvements

Updated configuration changes when using the DisableLSAProtection option for improved stability across Windows devices running builds 2200 and below
Built a new MSI installer for 9.3.3

Version 9.3.2 - Live

09/19/2024

Bugs and Fixes

Implemented security enhancements and fixes

Version 9.3.1 - Live

09/10/2024

Improvements

Improved the tray used in the VDI testing environment to have a wider box, helping prevent application names from being cut off in the dropdown
Added a new variable to the body section of a Detect Policy to allow the insert of the Detect Policy name
The option for EnableDriverDomainNameParsing will now support wildcards (*) and/or process names
Improved the driver to prevent a renamed PowerShell executable from being able to run scripts that should have been blocked
Resolved an issue from 8.7.2 and 8.8 where a malformed apps.db would not automatically rebuild
For ThreatLocker Detect Alerts, the Action Log will show both Policy Action and Effective Action
The Configuration Manager policy for User Logon Reporting has been depreciated indefinitely. Please speak to a Cyber Hero for an alternative solution using ThreatLocker Detect
Improved the checkin process, where if the full check-in fails on service start up then it will keep trying every 5 seconds until it is successful prior to sending a heartbeat checkin
Improved the check for Disable Tamper Protection Mode, where now, if the scheduled time expires or is ended from the portal, the endpoint will be updated within 5 seconds
When enabling the ThreatLocker Detect module, required settings will now be included for the impacted organizations. We have added 2 new options to disable these default settings: 'DisableArgumentsForElevation' and 'DisableArgumentsForExecution'
Added the Schedule Free Space Delete policy into new Configuration Manager
Made minor UI improvements to the QR code popup in the tray
Added the ability to intercept network traffic from virtual adapters

Bugs and Fixes

Resolved an issue in which Detect Conditions were not working as expected when using the Contains and Does Not Contain operators
Resolved an issue in which having an OS in a language other than English was preventing Local Admins from being removed via the Elevation Control page
Resolved an issue in which Configuration Manager policies set at the Global level were not being assigned as expected
Resolved an issue in which Lockdown and Isolate modes were not being displayed in the Notes section of the Unified Audit
Resolved an issue in which multiple Trays were being opened per user on a terminal server
Resolved an issue in which Detect conditions that used a full path with starts with or ends with were not operating as expected
Resolved an issue in which the 'Configure downloaded Office macros" Configuration Manager policy was not setting the registry setting correctly
Resolved an issue in which Tamper Protection was disabled while an apps.db was being rebuilt
Resolved an issue in which disabling the Config Manager 'Allow local system to use computer identity for NTLM (NetBios)' policy was not disabling the registry key
Resolved an issue in which users were unable to re-add admins to the local admin group when using the Removing Selected Local Admins and removing them from the list until the machine was rebooted
Resolved an issue in which inserting variables into the body of a Call Webhook or Call RestAIP were causing the JSON to be invalid
Resolved an issue in which Detect policies would not alert on apps that didn't exist in the apps.db, even when a condition explicitly called out the application
Resolved an issue in which the ThreatLocker Elevation Request Popup was not launching, preventing the user from requesting Elevation
Resolved an issue in which Domain Name Parsing settings were not taking effect when set at the Global level
Resolved an issue in which other services that start before ThreatLocker could potentially lock the ThreatLocker files, preventing it from running
Resolved ain issue with wording on a button on the tray
Resolved an issue where the Threatlocker Tray was causing a timeout for machines in Kiosk Mode
Resolved an issue where Control Panel would launch via a shortcut once the user had done a full restart on the endpoint
Resolved an issue with ThreatLocker Detect Exclusions where Exclusions would fail unless they has an expiration date set
Resolved an issue from the Windows Agent version 9.1.2 where baselining would loop and cause high ram usage
Resolved an issue with IPv4 Ringfencing exclusions where exclusions were not allowed as expected
Resolved an issue with Self-Approvals where using this option would cause unintended blocks in Monitor Only mode
Resolved an issue the Monitor File Paths issue where including Detect policy monitored paths would cause issues when processing Storage Control policies
Resolved an issue with the Detect Exclusions when moving a computer to a new group or organization. Detect exlusions will now be removed when computers are moved
Resolved an issue where using a custom MSI would redownload the core
Resolved an issue where Approval Request\Requestor Reason with Spaces or Digits would cause a 500 error
Resolved an issue with ThreatLocker Detect, where the policy to monitor Registry Key Changes was not alerting when changed
Resolved an issue with the ThreatLocker Relay Service on Service build 9.1 with downloading built-in applications. For clients utilizing the ThreatLocker Relay Service, please upgrade to agent version 9.1.1
Resolved an issue in which the HealthService wasn't being started after the Windows Service was installed using an MSI
Resolved an issue where hashes that contain only zeros are being seen on Baseline, Install, and Elevation Logs
Resolved an issue in which IPv4 Conditions in Detect policies were not being honored
Resolved an issue in which .exe was being added to the end of CMD line parameters and causing Detect policies using CMD line parameter conditions to not be honored
Resolved an issue in which Master Detect policies weren't being added to the database for new installs and DB rebuilds on version 9.1
Resolved an issue in Configuration Manager where the Configure TLS (transport layer security) Protocols policy was setting the TLS setting incorrectly
Resolved an issue wherethe policy in Configuration Manager for PowerShell Constrained Language was not on when PowerShell was started
Resolved an issue in which Network Control Objects used in Inbound policies were working intermittently
Resolved an issue in which the Log in as Admin button in the tray was not directing to the specified Storage Control Policy
Resolved an issue with the Configuration Manager policy for Configure Defender Virus & Protection Settings not updating configurations properly on endpoints
Resolved an issue in which CMD line Arguments were being logged inconsistently on Windows 10
Resolved an issue in which NVME drives were incorrectly displaying as SCSI drives in ThreatLocker
Resolved an issue in which .msix files were not being flagged as executables
Resolved an issue in which Network Control Objects were not being applied correctly for devices on the same subnet
Resolved an issue in which users logging in with valid admin credentials using the TL UAC were incorrectly receiving an invalid credentials error
Resolved an issue in which disabling Network Control from the portal was not disabling on the endpoint without restarting the ThreatLocker Service
Resolved an issue in which the ThreatLocker Service processes Right-to-Left Unicode incorrectly in the Request pop-up
Resolved an issue in which port 8811 was incorrectly being used by ThreatLocker when Network Control was disabled
Fixed incorrect detection of parent process. Implemented additional mechanisms to pass through file operations from svchost and for tracking actual process start with correct parent process set
Resolved an issue in which Ringfence exclusions for files were not correctly being observed
Resolved an issue in which users were not receiving a blocked item prompt from ThreatLocker when the iPhone Storage Driver (Built-In) policy was being matched, even though they were being blocked
Resolved an issue in which users in the Network Configuration Operators group were unable to use their credentials with the ThreatLocker UAC

Version 9.1.3 - Live

08/16/2024

Resolved an issue where the Challenge Listener was receiving a (400) Bad Request from client services

Version 9.1.2-Live

08/01/2024 - updated

Resolved an issue with the Source and Destination IPs not working as expected as conditions on Endpoint Detect
Resolved an issue that did not properly update the endpoint's public IP address in the portal when it changed

Version 9.1.1 - Live

7/16/2024

Improvements

Added Service support for module-specific maintenance modes
Added a forced full Service check-in once the ThreatLocker Driver is bound and once an Override Code is used
Added Service support for the ability to Deploy Policies to a single endpoint
Added the Schedule Free Space Delete policy into the new Configuration Manager
Added CVE-2023-36563 MS WordPad Vulnerability, CVE-2013-3900 WinVerifyTrust Signature Validation, and Disable Local LM Hash Storage policies to the new Configuration Manager
Changed the Unified Audit to only log denied Registry actions to improve performance
Added a new option, DebugNetworkChallenge to be used when troubleshooting Network Challenges
Made improvements to Detect alert cache logic so that only one alert per check-in period will be sent if all conditions are met.
Made changes to the ThreatLocker Tray to accommodate more characters in branding
Added checkboxes in the Tray Options to force end-users to include an email and/or message with an approval request
Added support for two new options, "AllFilesAsExecutableExSys:WScript.exe" and "AllFilesAsExecutable:Wscript.exe"
Improved the HealthService update to happen when the update file downloads and not on ThreatLockerService restarts

Bugs and Fixes

Resolved an issue with the ThreatLocker Relay Service on agent build 9.1 by downloading built-in applications. For clients utilizing the ThreatLocker Relay Service, please upgrade to agent version 9.1.1
Resolved an issue with the Rebuild Core process. Moving forward, the Rebuild Core action will only function on Windows version 9.1 or newer versions
Resolved an issue in which the registry values for the Configuration Manager CVE 2023-36563: MS WordPad Vulnerability policy were being incorrectly set
Resolved an issue with the Configuration Manager policy for 'Configure Defender Virus & Protection Settings' not updating configurations properly on endpoints
Resolved an issue in which Detect policies monitoring Event Log ID 4732 were not alerting as expected
Resolved an issue in which the Configuration Manager policy 'Password Must Meet Complexity Requirements' was not correctly enforcing password complexity
Resolved an issue in which UNC paths were being incorrectly displayed as \device\lanmanredirector
Resolved an issue in which .msix files were not being flagged as executables
Resolved an issue in which the Health Service was hanging due to a failed API call
Resolved an issue in which Detect policy exclusions were not being downloaded consistently
Resolved an issue in which Network Control Objects were not being applied correctly for devices on the same subnet
Resolved an issue in which closing an approval request popup without sending a request was causing the popup to not be showed again
Resolved an issue where some software would require users to be located in an administrator group and would not allow installation with Elevation Mode
Resolved an issue in which other services that start before ThreatLocker could potentially lock the ThreatLocker files, preventing it from running
Resolved an issue in which a Storage Control policy was remaining enforced once disabled
Resolved an issue in which Detect exclusions were not being honored as intended
Resolved an issue in which accessing/transferring shared files was slowed down while ThreatLocker was running
Resolved an issue in which the UAC was showing an invalid credentials message instead of informing the user that the requested operation requires Elevation
Resolved an issue in which UDP traffic was not being logged correctly
Resolved an issue in which Override Codes were not overriding Network Ringfencing
Resolved an issue with Leap Software where installing with Elevation Mode would cause excessive CMD popups
Resolved an issue from 8.2 where the Configuration Manager policy Monitor PowerShell would cause a PowerShell crash
Resolved an issue where Control Panel would launch via a shortcut once the user had done a full restart on the endpoint if using the 'EnforceCPL' option
Resolved an issue with the service getting a null exception when processing keywords in Network Control configurations that was preventing a task from starting

Version 9.0 - Live

05/29/2024

Improvements

Improvements to the Network Challenge to always challenge if the IP address is private, regardless of subnet
Added a new feature to Enable Domain Name Parsing per Process for Outbound Network Control and Ringfencing entries in the Unified Audit
Added new Configuration Manager options for Windows Defender to control Cloud-delivered protection, Automatic Sample Submission, and Tamper Protection
Reduced the memory footprint of the Tray by 25-50%
Text for Outbound Network Contol, when using a VM, will need the EnableDriverDomainNameParsing option enabled

Bugs and Fixes

Resolved an issue in which an empty FTP folder was unable to be read due to domain name parsing
Resolved an issue where the Unified Audit would show logs for Outbound Network control without a policy
Resolved an issue in which choosing to 'Log in as Admin' from a storage block was redirecting to a legacy page
Resolved an issue in which the 32-bit Windows agent was incorrectly learning hashes
Resolved an issue in which utilizing FTP over TLS resulted in file access being denied
Resolved an issue in which the UAC was showing an invalid credentials message instead of informing the user that the requested operation requires Elevation
Resolved an alignment issue for text on the ThreatLocker Tray
Resolved an issue in which the option EnableDriverDomainNameParsing was causing certain applications to experience slowness
Resolved an issue where certain Chromium Extensions were causing excessive logging
Resolved an incorrect detection of parent processes
Resolved an issue in which the service would not restart after Windows 2012R2 / 2008R2 was rebooted
Resolved an issue where returning the Print Nightmare Configuration Manager policy to "not configured" was not returning the Registry value to the Windows default setting
Resolved an issue in which disabling Network Control was causing Ringfencing Internet to sometimes fail
Resolved an issue in which the Configuration Manager policy CVE-2013-3900 WinVerifyTrust Signature Validation was incorrectly setting a DWORD instead of a REG-SZ String
Resolved an issue in which AzureAD user accounts were not being removed from the local Administrator group
Resolved an issue with Tags not working as expected on Network Control policies
Resolved an issue where some locked-down endpoints were not able to reboot while locked down
Resolved an issue with file deletion related to terminating a running process, which caused a false positive
Resolved an issue with ThreatLocker Ops where Occurrences were not being incremented if the TL Ops/Detect policy condition contains an Occurrences condition
Resolved an issue with DomainNameParsing, where the option was causing slowness on the driver
Resolved an issue where email formatting was not enforced on elevation policies
Resolved an issue with Ringfencing when utilizing a Bitglass Proxy
Resolved an issue with excessive logging from multiple Password Manager Chromium extensions
Resolved an issue with the processing of .exe exclusions
Resolved an issue with the redirect to the Chrome or Edge store from an approval request for an extension
Resolved an issue from 8.2 where the Configuration Manager policy Monitor PowerShell would cause a PowerShell crash
Resolved an issue with conflicting serial number lengths based on differences in Windows 7 and Windows 10

Version 8.7.4 - Live

05/13/2024

Bugs and Fixes

Resolved an issue that caused a repeated error multiple times an hour on some machines, starting with threatlockerservice.CleanPath...
Resolved an issue with ThreatLocker Detect that caused the Detect database to grow larger than intended
Resolved an issue with ThreatLocker Detect related to the logic around handling errors
Resolved an issue with Network Control, which prevented Objects from working as intended on startup with local IP addresses in the same subnet

Version 8.7.3 - Beta

04/23/2024

Improvements

Added a new Option that disables network traffic monitoring for Network Control called 'DisableInterceptNetworkAccessForAll'

To view older release notes for 8.x, click here