W32/Dridex.E!tr

Analysis

W32/Dridex.E!tr is a generic detection for a type of banking trojan that steals banking information from the user. Since this is a generic detection, files that are detected as W32/Dridex.E!tr may have varying behavior.
Below are examples of some of these behavior:

• It drops the following modified copy of itself:
  
  • undefinedAppDataundefined\edg[Random].exe
  It then executes this dropped copy.


• The malware attempts to connect to the following site:
  
  • 84.4{Removed}4 on TCP port 8080


• The malware injects codes into explorer.exe.


• The original copy of the malware is deleted after execution.

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.