W32/Small.BS!tr.dldr
Analysis
W32/Small.BS!tr.dldr is classified as a downloader Trojan. This Trojan has the capability to establish network connections and download files from a malicious website.
- This malware attempts to connect to remote servers using specific ports, such as the following:
- IP: 94.75{Removed} on TCP port: 80
- IP: 202.67{Removed} on TCP port:443
- It attempts to download executable files from web sites such as http://66.25{Removed}/go/nt.exe, then saves them into the Windows or System folders. The file is no longer available at the time of this writing
Recommended Action
- FortiGate Systems
- 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.
FortiClient Systems
- Quarantine/delete files that are detected and replace infected files with clean backup copies.
Telemetry
Detection Availability
FortiGate | |
---|---|
Extended | |
FortiClient | |
FortiMail | |
FortiSandbox | |
FortiWeb | |
Web Application Firewall | |
FortiIsolator | |
FortiDeceptor | |
FortiEDR |
Version Updates
Date | Version | Detail |
---|---|---|
2022-06-21 | 90.03466 |