Threat Encyclopaedia
| Threat Name | Description Type | Threat Type | Date Added |
| Win32/Kwbot.1_3 | Threat Variant | trojan,worm | 2002-06-21 |
| Win32/Keco.B | Threat Variant | worm | 2004-04-07 |
| Win32/KillProc.B | Threat Variant | trojan | 2004-05-13 |
| Win32/Korgo.A | Threat Variant | worm | 2004-06-03 |
| Win32/Kapucen.E | Threat Variant | worm | 2006-12-18 |
| Win32/Kardphisher.A | Threat Variant | trojan | 2007-05-14 |
| Win32/KillAV.NBO | Threat Variant | trojan | 2007-09-01 |
| Win32/Koobface.NBH | Threat Variant | worm | 2009-05-25 |
| Win32/Koobface.NCF | Threat Variant | worm | 2009-07-08 |
| Win32/KillFiles.NCH | Threat Variant | trojan | 2009-07-15 |