| 2004-07-27 | Email-Worm.Win32.Sidex |
| 2004-07-27 | Sibylle |
| 2004-07-27 | Shutdown (rodzina) |
| 2004-07-27 | Macro.Word.Shuffle |
| 2004-07-27 | Win32.HLLW.Showgame |
| 2004-07-27 | Worm.Shorm |
| 2004-07-27 | Win95.Shoerec |
| 2004-07-27 | Shoe.1904 |
| 2004-07-27 | Shizol.500 |
| 2004-07-27 | ShitMan.441 |
| 2004-07-27 | Shine.640 |
| 2004-07-27 | Macro.Word.Spy |
| 2004-07-27 | Shin |
| 2004-07-27 | Shengli.1024 |
| 2004-07-27 | Shel.983 |
| 2004-07-27 | Shaware.502 |
| 2004-07-27 | Email-Worm.Win32.Shatrix |
| 2004-07-27 | Macro.Word97.Shark |
| 2004-07-27 | Macro.Word.ShareFun |
| 2004-07-27 | Macro.PPoint.ShapeShift |
| 2004-07-27 | Macro.PPoint.ShapeMaster |
| 2004-07-27 | Shanghai.848 |
| 2004-07-27 | Shaman.251 |
| 2004-07-27 | Shaker (rodzina) |
| 2004-07-27 | Shake |
| 2004-07-27 | Shadowbyte (rodzina) |
| 2004-07-27 | BAT.Shadow |
| 2004-07-27 | Sfrust.632 |
| 2004-07-27 | Sformat.699 |
| 2004-07-27 | Email-Worm.Win32.Sexer.b |
| 2004-07-27 | Sesc.448 |
| 2004-07-27 | Sepultura.242 |
| 2004-07-27 | Sepultura |
| 2004-07-27 | Win32.Seppuku.2764 |
| 2004-07-27 | Sentinel (rodzina) |
| 2004-07-27 | Seneca.392 |