Troj/Dloadr-BKL is a Trojan for the Windows platform.

Troj/Dloadr-BKL includes functionality to access the internet and communicate with a remote server via HTTP.

When first run Troj/Dloadr-BKL copies itself to (User)\Application Data\(random string)\(random filename).exe.

The following registry entry is created to run the Trojan on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run
random string
path to copy of Trojan

Registry entries are created under:

HKCU\Software\Uninstall

Technical details can be found at this Sophos page.