AnalysisJS/Agent.FOK!tr.dldr is classified as a downloader trojan.
Downloader Trojan has the capability to download other malicious files or an updated version of itself.
The Fortinet Anti-Virus Analyst Team is currently in the process of creating a detailed description for this virus.
- Check the main screen using the web interface for your FortiGate unit to ensure that the latest AV/NIDS database has been downloaded and installed on your system - if required, enable the "Allow Push Update" option.
- Quarantine/delete files that are detected and replace infected files with clean backup copies.