First posted on 20 June 2007.
Source: SecurityHome
Trojan-Downloader:W32/Agent.BOY is also known as  Trojan-Downloader.Win32.Agent.boy.
Trojan-Downloader:W32/Agent.BOY attempts to download and install other malware onto the affected system.
 Once Trojan-Downloader:W32/Agent.BOY has been executed, it drops the following driver components:
 
 - %sysdir%driversip6fw.sys - detected as Rootkit.Win32.Agent.dp
  - %sysdir%drivers
untime.sys - detected as Rootkit.Win32.Agent.dw  
 
Furthermore, it launches an instance of Microsoft Internet Explorer as a hidden process with its code injected to this process.
It then attempts to connect to the following addresses to download other malicious programs:
 
 - 66.246.252.213
  - 67.18.114.98
  - 208.66.194.241
  
 
The downloaded files are saved as:
 
 - %sysdir%[random characters]9_exception.nls
  - %temp%ldrnt.bin
  
Last update 20 June 2007
 
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