| Name: | Efno |
| Aliases: | W32.Efno.Worm, W32.HLLW.Efno, |
| Ports: | |
| Files: | Win xp sp1 cracker.exe - - 24,576 bytes |
| Created: | |
| Requires: | |
| Actions: | Worm / Kazaa trojan |
| Registers: | |
| Notes: | Works on Windows 95, 98, ME, NT, 2000 and XP. |
| Country: | |
| Program: | Written in Visual Basic. |