W32/Zbot.OA!tr is a generic detection for a type of trojan that attempts to connect to remote servers. Since this is a generic detection, malware that are detected as W32/Zbot.OA!tr may have varying behavior.
Below are examples of some of these behavior:

  • Some variants of this malware spawn a hidden Internet Explorer process which attempts to connect to remote sites, such as the following:
    • net-for{Removed}.com
    • netwo{Removed}
    • choo{Removed}.net

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.