| 2004-07-27 | Macro.Excel.Nomercy |
| 2004-07-27 | Nomenclatura |
| 2004-07-27 | Macro.Word.Nomej |
| 2004-07-27 | Noiembrie.610 |
| 2004-07-27 | JS.Trojan.NoClose |
| 2004-07-27 | Trojan.Java.Nocheat |
| 2004-07-27 | Email-Worm.Win32.Nocana |
| 2004-07-27 | Nobody (rodzina) |
| 2004-07-27 | Nobock.440 |
| 2004-07-27 | NoWin.2576 |
| 2004-07-27 | Macro.Word.NoPrint |
| 2004-07-27 | NoMercy.575 |
| 2004-07-27 | NoHook (rodzina) |
| 2004-07-27 | Trojan.BAT.NoFPU |
| 2004-07-27 | NoDbf.1000 |
| 2004-07-27 | No444.474 |
| 2004-07-27 | No25 (rodzina) |
| 2004-07-27 | Macro.Word.No-F |
| 2004-07-27 | Nipple.208 |
| 2004-07-27 | Nines |
| 2004-07-27 | Net-Worm.Win32.Nimda.d |
| 2004-07-27 | Net-Worm.Win32.Nimda |
| 2004-07-27 | Macro.Word.Niknat |
| 2004-07-27 | Macro.Word.Niki |
| 2004-07-27 | Nik (rodzina) |
| 2004-07-27 | Nightmare Joker - The Demolition Kit |
| 2004-07-27 | Nightmare.1024 |
| 2004-07-27 | Night.2048 |
| 2004-07-27 | Macro.Word97.NightShade |
| 2004-07-27 | NightKnight |
| 2004-07-27 | NightFreddy.938 |
| 2004-07-27 | Nigeb.890 |
| 2004-07-27 | Backdoor.Nickser |
| 2004-07-27 | Macro.Word.NiceDay |
| 2004-07-27 | Nice |
| 2004-07-27 | Ng (rodzina) |