Threat Encyclopaedia
| Threat Name | Description Type | Threat Type | Date Added |
| Win32/TrojanClicker.Small.B | Threat Variant | trojan | 2004-01-16 |
| Win32/Netsky.C | Threat Variant | worm | 2004-02-25 |
| Win32/Bagle.F | Threat Variant | worm | 2004-02-29 |
| Win32/Fesber.A | Threat Variant | worm | 2004-03-03 |
| IRC/SdBot.AAK | Threat Variant | trojan | 2004-03-26 |
| Win32/Keco.B | Threat Variant | worm | 2004-04-07 |
| Win32/TrojanDownloader.Barlf.A | Threat Variant | trojan | 2004-04-27 |
| Win32/Sasser.A | Threat Variant | worm | 2004-05-01 |
| Win32/Peana.D | Threat Variant | virus | 2004-05-07 |
| Win32/TriMore.A | Threat Variant | trojan | 2004-05-11 |