| 2004-07-27 | Obora.1558 |
| 2004-07-27 | Nutcracker rodzina |
| 2004-07-27 | Ntit (rodzina) |
| 2004-07-27 | Win32.Nox |
| 2004-07-27 | Novosibirsk.1000 |
| 2004-07-27 | November17 (rodzina) |
| 2004-07-27 | Nomad (rodzina) |
| 2004-07-27 | Noki.448 |
| 2004-07-27 | Trojan.Win32.NoStart |
| 2004-07-27 | Nina (rodzina) |
| 2004-07-27 | Win32.Niko |
| 2004-07-27 | Nikki.3133 |
| 2004-07-27 | Trojan.Macro.Word.Nikita |
| 2004-07-27 | NightKing.1568 |
| 2004-07-27 | NightFall (rodzina) |
| 2004-07-27 | Nie.1664 |
| 2004-07-27 | Nguyen.1740 |
| 2004-07-27 | PHP.Neworld |
| 2004-07-27 | NewAids.1041 |
| 2004-07-27 | Neurobasher (rodzina) |
| 2004-07-27 | Nethief (rodzina) |
| 2004-07-27 | Backdoor.Netbus |
| 2004-07-27 | Trojan.NetPatch |
| 2004-07-27 | Neko (rodzina) |
| 2004-07-27 | HLLO.Nedal.17174 |
| 2004-07-27 | Necros.1164 |
| 2004-07-27 | Necropolis |
| 2004-07-27 | Nax.1402 |
| 2004-07-27 | Nautilus.1873 |
| 2004-07-27 | Natas (rodzina) |
| 2004-07-27 | Natalie.1192 |
| 2004-07-27 | Nanjing (rodzina) |
| 2004-07-27 | Nameless.3000 |
| 2004-07-27 | Naka.509 |
| 2004-07-27 | Constructor.WM97.NTVCK |
| 2004-07-27 | NTU (rodzina) |