| 2004-07-27 | Email-Worm.Win32.Mimail.i |
| 2004-07-27 | Email-Worm.Win32.Mimail.c |
| 2004-07-27 | Macro.Word.Milicrypt |
| 2004-07-27 | MiliKK.1020 |
| 2004-07-27 | Milena.1160 |
| 2004-07-27 | Miky.2350 |
| 2004-07-27 | Macro.Word.Mikevelyn |
| 2004-07-27 | Mik |
| 2004-07-27 | Macro.Word.Miholeh |
| 2004-07-27 | Worm.Linux.Mighty |
| 2004-07-27 | Midnight.2352 |
| 2004-07-27 | Microbi.312 |
| 2004-07-27 | Microb.431 |
| 2004-07-27 | Michfile.1236 |
| 2004-07-27 | Win32.Miam |
| 2004-07-27 | Exploit.HTML.Mht |
| 2004-07-27 | Mface.1441 |
| 2004-07-27 | Metallica.400,500 |
| 2004-07-27 | Metallica.1536 |
| 2004-07-27 | Macro.Word.Metallica |
| 2004-07-27 | Metall.557 |
| 2004-07-27 | Email-Worm.Win32.Merkur |
| 2004-07-27 | Win95.Merinos |
| 2004-07-27 | Macro.Word.Mercado |
| 2004-07-27 | Mep.295 |
| 2004-07-27 | Win32.Mental |
| 2004-07-27 | Macro.Word.Mensagem |
| 2004-07-27 | Email-Worm.Win32.Menace |
| 2004-07-27 | Win95.Memorial |
| 2004-07-27 | Email-Worm.Win32.Melting |
| 2004-07-27 | Macro.Word.Meldung |
| 2004-07-27 | Win32.Melder |
| 2004-07-27 | Email-Worm.Win32.Melare |
| 2004-07-27 | Mehrgan.786 |
| 2004-07-27 | MegaF.1105 |
| 2004-07-27 | MegaDevil.665 |