W32/Zbot.OA!tr

Analysis

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}.hopto.org
  • 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.