Business Suite Client Security 15.x Release Notes

Client Security 15.00

Client Security Premium 15.00

Copyright information

© 2008-2021 F-Secure Corporation. All rights reserved.

'F-Secure' and F-logo are registered trademarks of F-Secure Corporation. F-Secure product and technology names and F-Secure logos are either trademarks or registered trademarks of F-Secure Corporation. Other product names and logos referenced herein are trademarks or registered trademarks of their respective companies.

This product may be covered by one or more F-Secure patents, including the following: GB2353372, GB2366691, GB2366692, GB2366693, GB2367933, GB2368233.

Product contents

Client Security Standard and Client Security Premium have the following features:

• Virus & spyware protection – protects your computer against viruses, trojans, spyware, riskware, rootkits and other malware.
• DeepGuard™ – proactive, instant protection against unknown threats. It monitors application behavior and stops potentially harmful activities in real-time.
• DataGuard – monitors protected folders to prevent untrusted applications from modifying your files.
• Web traffic scanning – detects and blocks malicious content in web traffic (HTTP protocol) to provide additional protection against malware.
• Firewall – consists of Windows Firewall integration and Network access control.
• Application control - allows you to restrict virtually any application from starting.
• Botnet Blocker – allows the Policy Manager administrator to block Domain Name System (DNS) queries from the host for domains that have a malicious reputation.
• Browsing protection – provides additional protection against unsafe web sites.
• Web Content Control – allows blocking of web sites that contain unsuitable content.
• Connection Control – protects against harmful activity when accessing sensitive sites.
• Device control – lets you control and disable hardware devices.
• Software Updater – keeps your system and applications up to date by automatically installing patches as they are released by vendors.
• Offload Scanning Agent – moves malware scanning operations to Scanning and Reputation Server.
• Rapid Detection & Response – uses lightweight, discreet sensors that collect behavioral data from endpoint devices to identify a wide range of attacks.

The table below shows which features are enabled with different product licenses.

The supported languages are: English, Chinese (P.R.C, Taiwan, Hong Kong), Czech, Danish, Dutch, Estonian, Finnish, French, Canadian French, German, Greek, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Brazilian Portuguese, Romanian, Russian, Slovenian, Spanish, Latin American Spanish, Swedish, and Turkish.

New features and improvements

• Added support for Policy Manager Proxy auto-selection rules to configure the location-aware selection of proxies based on the following criteria: DNS server IP address, DHCP server IP address, Default gateway IP address, WINS server IP address, and My network address. The Proxies matched with the rules are always prioritized first while the rest of the Proxies are used only if the fallback behavior is in use.
• Basic and NTLM authentications are now supported when downloading virus definitions (GUTS2) via HTTP proxies.
• Added support for Antimalware Scan Interface (AMSI). The integration is turned on by default and can be turned off from Policy Manager.
• Various firewall related improvements:
  • Firewall block rules support a configurable option to send alerts when the rule is triggered.
  • Added support to define the rule's scope with Windows application package IDs.
  • Policy Manager administrators can hide certain profiles from end-users.
  • The product generates alerts when encountering malformed firewall rules.
• F-Secure tray icon can be hidden from end-users. This can be configured from Policy Manager.
• The command line fsscan.exe scanner can report a list of all scanned files.
• Introduced Browsing Protection alerts that are triggered when malicious or suspicious sites are blocked.
• Introduced the Tamper protection feature to protect endpoints from unusual interruptions.
• Device control block alerts are also generated when USB storage devices are reconnected.
• Notification events about overlapping manual and scheduled scan operations are logged to the Windows application event log.
• Client failover to GUTS2 services now happens without noticeable delays when the computer is booted or returns from sleep.
• Client Security 15.00 is certified with Citrix 1906. Pending certification with Citrix 1912 LTSR.

Version requirements

• This Client Security version requires Policy Manager 15.00 or later, and Policy Manager Proxy 15.00 or later in case Proxy is in use.
• This Client Security version requires Windows Universal C Runtime (https://support.microsoft.com/en-us/help/2999226/update-for-universal-c-runtime-in-windows) for installation.
• This Client Security version requires Microsoft .Net 4.7.2 or later for the local user interface to function.

Known issues

• When shifting between Premium and Standard editions, all local changes made by the end user are lost. 
• Running the Client Security MSI installation package from a shared folder or mapped drive is not supported in case there is another antivirus product that needs to be uninstalled during installation.
• A restart is required after uninstalling Client Security.
• Web Traffic Scanning Advanced Protection blocks content only for harmful sites.

Installation and system requirements

Import the product installation JAR package to Policy Manager Console and deploy the product remotely to selected hosts. With Policy Manager Console, you can also export an MSI package that you can deploy via other central management systems to install the product.

To run the installation locally, create the MSI package with the export tool in Policy Manager Console. Note that the local installation requires local administrator rights.

License terms

License terms are included in the Policy Manager software. You must read and accept them before you can install and use the software.

Supported platforms

This release can be installed on the following platforms:

• Microsoft Windows 7 (all 32-bit and 64-bit editions)
• Microsoft Windows 8.1 (all 32-bit and 64-bit editions)
• Microsoft Windows 10 (all 32-bit and 64-bit editions)

Note: You need to have the latest Service Pack installed for your operating system.

Note: You need Windows Universal C Runtime installed before you install the product.

Hardware requirements

• Disk space: 2 GB of free disk space for installation, automatic updates and functioning. Quarantine and scanning reports may occupy additional disk space depending on viruses found.
• Internet connection: an Internet connection is required to receive updates and use cloud-based technology features.

Contact information and feedback

We look forward to hearing your comments and feedback on the product functionality, usability and performance.

Please report any technical issues:

• Support web site: https://www.withsecure.com/en/support
• Community: https://community.withsecure.com/

Please attach the system summary report collected with the preinstalled “F-Secure Client Security Premium Support Tool” when you report a technical problem. It contains basic information about hardware, operating system, network configuration, and installed F-Secure and third-party software.

Note: You need to have the local administrator rights to collect the system summary report.

Client Security 15.21

Client Security Premium 15.21

New features and improvements

• Revised Device Control:
  • Added new rules for MTP (Media Transfer Protocol) and PTP (Picture Transfer Protocol) devices
  • Added configurable per-rule alerting behavior
  • Added a Device control alerting management option - you can receive alerts for all connection attempts or only for devices that have not been connected previously
  • Executables can now be allowed to run on specified removable storage devices
  • Fixed an issue with USB mass storage devices in Windows 10
• Software Updater components are now updated automatically
• Software Updater can prompt users to close applications that are being updated
• Added an option to unregister the RDR sensor or change the RDR sensor keycode without reinstallation
• Added an option to download product updates over HTTPS
• Added a connection testing tool (fsconnectionchecker.exe) to the product. This tool can be used to check connection issues to required F-Secure servers on the machine where the product is already installed, or on a clean machine.
• The host identity update logic is now configurable through policies.
• Other small improvements and enhancements:
  • You can configure when virus definitions are considered outdated
  • You can report false positives from the local client UI
  • You can exclude a spyware/riskware infection by the infection name
  • Added a dedicated action on infection for spyware and riskware
  • The centralized quarantine has a new status 'RebootPending' 
  • The centrally managed UI status now reflects connectivity to the PM status
  • You can turn off all security features and firewall for the set amount of time
  • Client Security installation completeness status has been added to the registry HKLM\SOFTWARE\WOW6432Node\F-Secure\NS\default\OneClient\CosmosMirror\ProtectionStatus
  • The firewall profile auto-selection issue under certain conditions has been fixed
  • The incomplete product update downloads that caused problems with the updates flow in some conditions have been fixed
  • The product upgrade problem from CS 13.x has been fixed
  • The issue that caused an unusual amount of "check now" requests has been fixed
• Fixed issues compared to version 15.20
  • The issue resulting in missing network isolation binary after upgrade from 14/15 version is now fixed
  • Cleaned up the deprecated ORSP proxy setting that was left in the registry, which could break the HTTP proxy detection logic
  • Improved proxy detection logic for Ultralight/Security cloud
  • Scheduled scan action on infection policy is now taken into use
  • A possible memory leak in Device control has been fixed
  • Introduced search results ratings for active Banking protection sessions

Dropped features

• To improve interoperability with corporate environments and to simplify the scanner changes for more cloud security features in the future, all security platform components are forwarded to cloud services via a single HTTP proxy configuration. Therefore, a separate proxy configuration for the ORSP client (OID=1.3.6.1.4.1.2213.57.1.5) is not supported anymore.

Version requirements

• This Client Security version requires Policy Manager 15.20 or later, and Policy Manager Proxy 15.20 or later in case Proxy is in use.
• This Client Security version requires Windows Universal C Runtime (https://support.microsoft.com/en-us/help/2999226/update-for-universal-c-runtime-in-windows) for installation.
• This Client Security version requires Microsoft .Net 4.7.2 or later for the local user interface to function.

Known issues

• To avoid performance degradation, do not activate Browsing Protection for products that are running in isolated environments.
• Software Updater dropped Windows 10 features and service pack patches.
• When shifting between Premium and Standard editions, all local changes made by the end user are lost. 
• Running the Client Security MSI installation package from a shared folder or mapped drive is not supported in case there is another antivirus product that needs to be uninstalled during installation.
• A restart is required after uninstalling Client Security.
• Web Traffic Scanning Advanced Protection blocks content only for harmful sites.