FBY!tr.klog is classified as a keylogger trojan.
A keylogger trojan is a type of malware that logs the keystrokes of the infected user then sends them to a remote attacker.
The Fortinet Antivirus Analyst Team is constantly updating our descriptions. Please check the FortiGuard Encyclopedia regularly for updates.

Recommended Action

  • Make sure that your FortiGate/FortiClient system is using the latest AV database.
  • Quarantine/delete files that are detected and replace infected files with clean backup copies.