| 2004-07-27 | Macro.Word.Blash |
| 2004-07-27 | IRC-Worm.Blackout |
| 2004-07-27 | Blackmonday |
| 2004-07-27 | Black.1000 (rodzina) |
| 2004-07-27 | BlackWind |
| 2004-07-27 | BlackFlash.813 |
| 2004-07-27 | Macro.Word.BlackEnd |
| 2004-07-27 | Macro.Word.BlackDeath |
| 2004-07-27 | BlackAdder.1015 |
| 2004-07-27 | Worm.Win32.Bizex |
| 2004-07-27 | Bizarre |
| 2004-07-27 | Macro.Word97.Bismark |
| 2004-07-27 | Macro.Word.Bilbo |
| 2004-07-27 | Bhorse |
| 2004-07-27 | Beware.442 |
| 2004-07-27 | BestWishes (rodzina) |
| 2004-07-27 | Beryllium |
| 2004-07-27 | Macro.Word.Bertik |
| 2004-07-27 | Berlin (rodzina) |
| 2004-07-27 | Worm.Kazaa.Benjamin |
| 2004-07-27 | Bengal (rodzina) |
| 2004-07-27 | Belorussia (rodzina) |
| 2004-07-27 | Belit.594 |
| 2004-07-27 | Email-Worm.Win32.Belgur.b |
| 2004-07-27 | Win95.Begemot |
| 2004-07-27 | Beethoven |
| 2004-07-27 | Beep.2000 |
| 2004-07-27 | Macro.Word97.Beep |
| 2004-07-27 | Win32.Beef |
| 2004-07-27 | Exploit.IIS.Beavuh |
| 2004-07-27 | Macro.Word97.Beauty |
| 2004-07-27 | Beast.644 |
| 2004-07-27 | Beaches.1091 |
| 2004-07-27 | Bazil.1956 |
| 2004-07-27 | Macro.Word97.Bawl |
| 2004-07-27 | Bauhaus.974 |