| 2004-07-27 | Slof.775 |
| 2004-07-27 | Slips (rodzina) |
| 2004-07-27 | VBS.Sling |
| 2004-07-27 | Slayer.2638 |
| 2004-07-27 | Slavery.929 |
| 2004-07-27 | Slava (rodzina) |
| 2004-07-27 | Slash.457 |
| 2004-07-27 | Linux.Slapper |
| 2004-07-27 | SlamTilt.703 |
| 2004-07-27 | Macro.Word97.Slam |
| 2004-07-27 | Win32.Skorzen |
| 2004-07-27 | Skater (rodzina) |
| 2004-07-27 | Macro.Word.Skammy |
| 2004-07-27 | Sk (rodzina) |
| 2004-07-27 | SixFaces.700 |
| 2004-07-27 | Sistor (rodzina) |
| 2004-07-27 | Siskin (rodzina) |
| 2004-07-27 | Email-Worm.Win32.Sircam |
| 2004-07-27 | Email-Worm.Win32.Sint |
| 2004-07-27 | Win32.Sinn |
| 2004-07-27 | Sink.400 |
| 2004-07-27 | Singapore (rodzina) |
| 2004-07-27 | Sinep |
| 2004-07-27 | Macro.Word.Since |
| 2004-07-27 | Simulation |
| 2004-07-27 | Trojan.BAT.Simpsons |
| 2004-07-27 | Macro.Word.Simple |
| 2004-07-27 | Simple |
| 2004-07-27 | Simbiot (rodzina) |
| 2004-07-27 | Sily.745 |
| 2004-07-27 | Email-Worm.Win32.Silver |
| 2004-07-27 | Silicon.1019 |
| 2004-07-27 | Silence.555 |
| 2004-07-27 | Signs.720 |
| 2004-07-27 | Signed (rodzina) |
| 2004-07-27 | Macro.Word.Sidor |