Troj/Delf-LL is a keylogging Trojan for the Windows platform.
The Trojan may be used for logging the keystrokes and sending the captured data to a remote attacker.
When first run Troj/Delf-LL copies itself to <System>\IExplorer.exe.
The following registry entry is created to run IExplorer.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Msn Messenge
<System>\IExplorer.exe