Threat Encyclopedia

Selected viruses, spyware, and other threats: sorted alphabetically

Short description
The trojan tries to download several files from the Internet. The files are then executed.
Installation
When executed, the trojan copies itself into the following location:
  • %userprofile%\%username%.exe
In order to be executed on every system start, the trojan sets the following Registry entry:
  • [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\
    Run]
    "%username%" = "%userprofile%\%username%.exe"
Other information
The trojan creates and runs a new thread with its own program code within one of the running processes.

The trojan contains a list of (9) URLs. It tries to download several files from the addresses.

These are stored in the following locations:
  • %temp%\BN%variable%.tmp
A string with variable content is used instead of %variable% .

The downloaded files contain encrypted executables. After decryption, the trojan runs these files.

The trojan launches the following processes:
  • netsh.exe firewall set allowedprogram %filepath% ENABLE
The performed command creates an exception in the Windows Firewall.