Threat Encyclopaedia
| Threat Name | Description Type | Threat Type | Date Added |
| Win32/Lazar.A | Threat Variant | trojan | 2005-08-01 |
| Win32/Liech.E | Threat Variant | trojan | 2005-08-01 |
| MSIL/Lemoner.A | Threat Variant | trojan | 2006-11-21 |
| Win32/Lanc.A | Threat Variant | virus | 2006-12-12 |
| Win32/Lafee.A | Threat Variant | virus | 2008-09-27 |
| Win32/Lafee.B | Threat Variant | virus | 2008-10-30 |
| Win32/LockScreen.A | Threat Variant | trojan | 2009-04-21 |
| Win32/LockScreen.B | Threat Variant | trojan | 2009-04-22 |
| Win32/LockScreen.C | Threat Variant | trojan | 2009-04-23 |
| Win32/LockScreen.E | Threat Variant | trojan | 2009-05-06 |