| 2004-07-27 | Krnl.2078 |
| 2004-07-27 | Kreg.1405 |
| 2004-07-27 | Krasikov.264 |
| 2004-07-27 | Krapodnik.589 |
| 2004-07-27 | Win32.Kriz |
| 2004-07-27 | Kranty.255 |
| 2004-07-27 | KrK.800 |
| 2004-07-27 | DDoS.Kozog |
| 2004-07-27 | Kotos.870 |
| 2004-07-27 | Koths.2462 |
| 2004-07-27 | Kot.900 |
| 2004-07-27 | Kot |
| 2004-07-27 | KoreaStranger |
| 2004-07-27 | Korea |
| 2004-07-27 | Macro.Word.Kop |
| 2004-07-27 | Kontragapi |
| 2004-07-27 | Konrad.999 |
| 2004-07-27 | Konkoor (rodzina) |
| 2004-07-27 | Koniec (rodzina) |
| 2004-07-27 | Komsom.1000 |
| 2004-07-27 | Macro.Word.Kompu |
| 2004-07-27 | Kommuna.801 |
| 2004-07-27 | Macro.Word97.Komcon |
| 2004-07-27 | Macro.Word.Komcon |
| 2004-07-27 | Macro.Word.Kombat |
| 2004-07-27 | Komar (rodzina) |
| 2004-07-27 | Kolya.5632 |
| 2004-07-27 | Kolumna.2048 |
| 2004-07-27 | Koko.1780 |
| 2004-07-27 | Kohntark |
| 2004-07-27 | Koder.1024 |
| 2004-07-27 | Kode (rodzina) |
| 2004-07-27 | Kode4 (rodzina) |
| 2004-07-27 | Ko (rodzina) |
| 2004-07-27 | Knight.1136 |
| 2004-07-27 | Win16.Klon |