| 2004-07-27 | Quandary |
| 2004-07-27 | Email-Worm.Win32.Quamo |
| 2004-07-27 | Quake.960 |
| 2004-07-27 | Quake.518 |
| 2004-07-27 | Worm.Qaz |
| 2004-07-27 | Python.1142 |
| 2004-07-27 | Pyramid.457 |
| 2004-07-27 | Pux.1295 |
| 2004-07-27 | Macro.Word.Pussy |
| 2004-07-27 | Email-Worm.Win32.Puron |
| 2004-07-27 | Punisher.1632 |
| 2004-07-27 | Win95.Punch.9262 |
| 2004-07-27 | Win95.Puma.1024 |
| 2004-07-27 | Puke.393 |
| 2004-07-27 | Puf.581 |
| 2004-07-27 | Psyco.804 |
| 2004-07-27 | Psycho.723 |
| 2004-07-27 | Prudents.1205 |
| 2004-07-27 | Proto.695 |
| 2004-07-27 | ProtoVirus (rodzina) |
| 2004-07-27 | I-Worm.Protex |
| 2004-07-27 | Protect (rodzina) |
| 2004-07-27 | Email-Worm.Win32.Prolin |
| 2004-07-27 | Prohibit.1500 |
| 2004-07-27 | Procuror |
| 2004-07-27 | Problem (rodzina) |
| 2004-07-27 | Win95.Prizm |
| 2004-07-27 | Prion.313 |
| 2004-07-27 | Printer.778 |
| 2004-07-27 | Macro.Word.Printer |
| 2004-07-27 | PrintScreen |
| 2004-07-27 | PrintMonster |
| 2004-07-27 | PrintDevil.716 |
| 2004-07-27 | Prime.580 |
| 2004-07-27 | Win95.Priest |
| 2004-07-27 | Email-Worm.Win32.PrettyPark |