| 2004-07-27 | Carcel |
| 2004-07-27 | Capicua.511 |
| 2004-07-27 | Macro.Word.Cap |
| 2004-07-27 | Caos.716 |
| 2004-07-27 | Cantando.857 |
| 2004-07-27 | Cannabis_II.1029 |
| 2004-07-27 | Cannabis |
| 2004-07-27 | Macro.Word.Candyman (rodzina) |
| 2004-07-27 | Candy.999 |
| 2004-07-27 | Cancerbero |
| 2004-07-27 | Calu.2429 |
| 2004-07-27 | Email-Worm.Win32.Calposa |
| 2004-07-27 | Email-Worm.Win32.Calil |
| 2004-07-27 | Cagliari (rodzina) |
| 2004-07-27 | Macro.Word.Caffeine |
| 2004-07-27 | Win32.Cafet |
| 2004-07-27 | Caesar |
| 2004-07-27 | Backdoor.Cabrotor |
| 2004-07-27 | Worm.SymbOS.Cabir.a |
| 2004-07-27 | Win32.CTX |
| 2004-07-27 | CSSR.538 |
| 2004-07-27 | CPXK (rodzina) |
| 2004-07-27 | CPSU.2535 |
| 2004-07-27 | Macro.Word97.Constructor.CPCK |
| 2004-07-27 | CMOS |
| 2004-07-27 | Macro.Word97.CMD |
| 2004-07-27 | CLL.947 |
| 2004-07-27 | Win95.CIH |
| 2004-07-27 | Win95.CIH-Killer |
| 2004-07-27 | CGA.1024 |
| 2004-07-27 | CFSK.918 |
| 2004-07-27 | Trojan.Win32.CD_Argen |
| 2004-07-27 | CCC.381 |
| 2004-07-27 | CCBB (rodzina) |
| 2004-07-27 | CA.815 |
| 2004-07-27 | C1992.1536 |