Threat Encyclopaedia
| Threat Name | Description Type | Threat Type | Date Added |
| BAT/KillFiles.NCX | Threat Variant | trojan | 2010-07-26 |
| Win32/Kredoor.AS | Threat Variant | trojan | 2010-08-06 |
| Win32/Kheagol.H | Threat Variant | trojan | 2010-11-22 |
| Win32/Koutodoor.HM | Threat Variant | trojan | 2011-01-27 |
| JS/Kryptik.I | Threat Variant | trojan | 2011-02-24 |
| Win32/KillAV.NMV | Threat Variant | trojan | 2011-07-23 |
| Win32/KillAV.NMZ | Threat Variant | trojan | 2011-08-03 |
| Win32/Kazvar.A | Threat Variant | trojan | 2011-10-09 |
| Win32/Katrata.B | Threat Variant | trojan | 2012-01-11 |
| Win32/Kelihos.E | Threat Variant | trojan | 2012-02-02 |