| 2004-07-27 | Win95.Obsolete |
| 2004-07-27 | Exploit.HTML.ObjData |
| 2004-07-27 | Obid.555 |
| 2004-07-27 | Linux.OSF.8759 |
| 2004-07-27 | OGWO.446 |
| 2004-07-27 | Email-Worm.Win32.Nyxem |
| 2004-07-27 | Nymphet.1024 |
| 2004-07-27 | Nygus (rodzina) |
| 2004-07-27 | Win32.HLLW.Nulock |
| 2004-07-27 | Nuker.Win32.WinNuke.a |
| 2004-07-27 | Nuker.PortFuck |
| 2004-07-27 | Nuker.LorNuke |
| 2004-07-27 | Nuker.CGSi |
| 2004-07-27 | Nuker.BitchSlap |
| 2004-07-27 | Nr.300 |
| 2004-07-27 | Macro.Word97.Novosib |
| 2004-07-27 | HLLP.Nover.8528 |
| 2004-07-27 | HLLP.Nover.7712 |
| 2004-07-27 | Macro.Word97.Nova |
| 2004-07-27 | Macro.Word.Nova |
| 2004-07-27 | Nov7.482 |
| 2004-07-27 | Macro.Word97.Nottice |
| 2004-07-27 | Nothing |
| 2004-07-27 | Not.574,586 |
| 2004-07-27 | NotStoned.1349 |
| 2004-07-27 | Macro.Word.Nostradamus (rodzina) |
| 2004-07-27 | Macro.Word.Nostradamus |
| 2004-07-27 | Norway.673 |
| 2004-07-27 | Normal (rodzina) |
| 2004-07-27 | Normal.763 |
| 2004-07-27 | Macro.Word97.Nori |
| 2004-07-27 | NoReboot.679 |
| 2004-07-27 | Worm.Win32.Nople |
| 2004-07-27 | Nop.355 |
| 2004-07-27 | NopM.494 |
| 2004-07-27 | Noon.1163 |