| 2004-07-27 | Spic.990 |
| 2004-07-27 | Macro.Excel.Spellcheck |
| 2004-07-27 | Spellbound |
| 2004-07-27 | Joke_JS.Spawn.b |
| 2004-07-27 | Win95.Spawn.4096 |
| 2004-07-27 | Spawn1.346 |
| 2004-07-27 | Spartak.1100 |
| 2004-07-27 | TPE (Trident Polymorphic Engine) |
| 2004-07-27 | Sparse.3840 |
| 2004-07-27 | Macro.Word97.Sparkle |
| 2004-07-27 | Spanz.639 |
| 2004-07-27 | Spanish.1417 |
| 2004-07-27 | Email-Worm.VBS.Spam.Brief |
| 2004-07-27 | Win95.Spaces |
| 2004-07-27 | Sova.4060 |
| 2004-07-27 | Win95_Soth |
| 2004-07-27 | Sorry.256 |
| 2004-07-27 | Sopron.937 |
| 2004-07-27 | Sonik.854 |
| 2004-07-27 | Email-Worm.Win32.Sonic |
| 2004-07-27 | Something.658 |
| 2004-07-27 | Soldier (rodzina) |
| 2004-07-27 | Macro.Excel.Soldier |
| 2004-07-27 | Solar (rodzina) |
| 2004-07-27 | SolarWind.512 |
| 2004-07-27 | Sojourn.1369 |
| 2004-07-27 | Sofia (rodzina) |
| 2004-07-27 | Macro.Word.Socks |
| 2004-07-27 | Socha.753 |
| 2004-07-27 | Stb |
| 2004-07-27 | Email-Worm.Win32.Sobig.f |
| 2004-07-27 | Email-Worm.Win32.Sobig.e |
| 2004-07-27 | Email-Worm.Win32.Sobig.d |
| 2004-07-27 | Email-Worm.Win32.Sobig.b |
| 2004-07-27 | Email-Worm.Win32.Sobig.a |
| 2004-07-27 | Email-Worm.Win32.Sobig.c |