Toggle to enable or disable AntiVirus protection.

Real-Time Protection

Scan files for threats as they are downloaded or copied to the system.

• Warn the User If a Process Attempts to Access Infected Files
• Quarantine Infected Files. You can use FortiClient to view, restore, or delete the quarantined file, as well as view the virus name, submit the file to FortiGuard, and view logs.
• Deny Access to Infected Files
• Ignore Infected Files

If enabled, displays the Virus Alert dialog when a virus is detected while attempting to download a file via a web browser. The dialog allows you to view recently detected viruses, their locations, and statuses.

If enabled, uses signatures from FortiSandbox to identify malware and exploits. This option is available only if the Sandbox Detection tab is enabled. Enter the number of minutes after which to update signatures.

Enable to block known communication channels used by attackers.

Block all access to malicious websites. You must select FortiProxy (Disable Only When Troubleshooting) on the System Settings tab before you can enable this option.

You can configure an action for all websites categorized as security risks. Select one of the following:

• Block
• Warn
• Allow
• Monitor

Click the + button to view all security risk subcategories and configure individual actions (Block, Warn, Allow, Monitor) for each subcategory:

• Dynamic DNS
• Malicious Websites
• Newly Observed Domain
• Newly Registered Domain
• Phishing
• Spam URLs

If this option is enabled, the exclusion list on the Web Filter tab is used. If this option is not enabled, you must define exclusions under Exclusions.

Enable to scan compressed files for threats.

Configure the maximum size (in MB) of compressed files to scan. To allow scanning compressed files of any size, enter 0.

Enable user process scanning. Select one of the following:

• Scan Files When Processes Read or Write Them
• Scan Files When Processes Read Them
• Scan Files When Processes Write Them

Enable to scan network files for threats.

Enable system process scanning. Select one of the following:

• Scan Files When System Processes Read or Write Them
• Scan Files When System Processes Read Them
• Scan Files When System Processes Write Them
• Do Not Scan Files When System Processes Read or Write Them

Select one of the following from the dropdown list:

• Warn the User If a Process Attempts to Access Infected Files
• Quarantine Infected Files. You can use FortiClient to view, restore, or delete the quarantined file, as well as view the virus name, submit the file to FortiGuard, and view logs.
• Ignore Infected Files

Adds a Scan with FortiClient AntiVirus option to the Windows Explorer right-click menu.

Enable to pause scanning when the computer is running on battery power.

Enable to automatically submit suspicious files to FortiGuard for analysis. You do not receive feedback for files submitted for analysis. The FortiGuard team is able to create signatures for any files that are submitted for analysis and determined to be malicious.

Enable to scan compressed files for threats.

Configure the maximum size of compressed files to be scanned in MB. To allow compressed files of any size, enter 0.

Select the minimum amount of memory that must be installed on a computer to maximize scan speed:

• 4 GB
• 6 GB
• 8 GB
• 12 GB
• 16 GB

Enable scheduled scans.

Select Daily, Weekly, or Monthly.

If Weekly is selected, select the day of the week to perform the scan. If Monthly is selected, select the day of the month to perform the scan. Note that if you configure monthly scans to occur on the 31st of each month, the scan occurs on the first day of the month for months with fewer than 31 days.

Configure the start time for the scheduled scan.

Select Quick, Full, or Custom.

Runs the rootkit detection engine to detect and remove rootkits. The quick scan only scans the following items for threats: executable files, DLLs, and drivers that are currently running.

Runs the rootkit detection engine to detect and remove rootkits, then performs a full system scan of all files, executable files, DLLs, and drivers. If Full is selected, you have the following options:

• Scan removable media, if present
• Scan network drives

Runs the rootkit detection engine to detect and remove rootkits. In the Folder field, enter the full path of the folder on your local hard disk drive that will be scanned.

Set to Low, Normal, or High. This refers to the amount of processing power the scan uses and its impact on other processes.

Enable to scan connected removable media, such as USB drives, for threats.

Enable to scan network drives for threats.

Enable scheduled scans even when a third party AV product is present.

Toggle to enable anti-exploit engine.

Enable to show system tray notifications when an exploit is detected.

Select applications to exclude from anti-exploit detection.

Enable exclusions from antivirus scanning. FortiClient EMS supports using wildcards and path variables to specify files and folders to exclude from scanning. The following wildcards and variables are supported, among others:

• Using wildcards to exclude a range of file names with a specified extension, such as Edb*.jrs
• Using wildcards to exclude all files with a specified extension, such as *.jrs
• Path variable %windir%
• Path variable %allusersprofile%
• Path variable %systemroot%
• Path variable %systemdrive%

Note that having a longer exclusion list affects antivirus performance. It is advised to keep the exclusion list as short as possible.

Enter fully qualified excluded folder paths in the provided text box to exclude these folders from antivirus scanning.

Enter fully qualified excluded files in the provided text box to exclude these files from antivirus scanning.

Enter file extensions to exclude from realtime AV protection.

Enter file extensions to exclude from on demand AV protection.

Enable to scan for rootkits.

A rootkit is a collection of programs that enable administrator-level access to a computer or computer network. Typically a rootkit is installed on a computer after first obtaining user-level access by exploiting a known vulnerability or cracking a password.

Enable to scan for adware.

Adware is a form of software that downloads or displays unwanted ads when a user is online.

Enable to scan for riskware.

Riskware refers to legitimate programs which, when installed and executed, presents a possible but not definite risk to the computer.

Enable advanced heuristics. Advanced heuristics is a sequence of heuristics to detect complex malware.

Enable to scan removable media (CDs, DVDs, Blu-ray disks, USB keys etc.) on insertion.

Enable to scan emails for threats.

Enable to scan MIME files.

Multipurpose Internet Mail Extensions (MIME) is an Internet standard that extends the format of the email to support the following:

• Text in character sets other than ASCII
• Non text attachments (audio, video, images, applications)
• Message bodies with multiple parts

Automatically sends suspicious files to FortiGuard for analysis.