W32/Injector.DTAI!tr

Analysis

W32/Injector.DTAI!tr is a generic detection for a type of trojan. Since this is a generic detection, files that are detected as W32/Injector.DTAI!tr may have varying behavior.
Below are examples of some of these behavior:

• This malware drops the following files:
  
  • %Temp%\[Random].bat: This file is detected as: BAT/Small.NAN!tr.
  • %AppData%\microex\tall.exe: This file is a copy of the original malware itself
  • %AppData%\java\java.exe: This file is a copy of the original malware itself
  • %AppData%\batmanremote\batmanremote.exe: This file is a copy of the original malware itself
  • %Temp%\batmanremote\batmanremote.exe: This file is a copy of the original malware itself


• Network activities are observed to DNS query the following sites:
  
  • hxxp://por{Removed}.mobi/main.php?dir=//Virgin%20Babes%20First%20Sex&start=1&sort=1
  • growmptry{Removed}.cf
  • immonitor123.x{Removed}.me
  • motup{Removed}.com


• The original copy of the malware maybe deleted after execution


• Some instances of this malware may have Botnet capabilities


• Some instances of this this malware may apply the following registry modification(s):
  
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\Currentversion\Run
    
    • batmanremote = %AppData%\batmanremote\batmanremote.exe
    This automatically executes the dropped file every time the infected user logs on.
    


• The Fareit trojan has the capability to steal sensitive information and credentials from its host.

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.