| 2004-07-27 | Win32.Apparition |
| 2004-07-27 | Macro.Word.Apparition |
| 2004-07-27 | Apokalipsa.1167 |
| 2004-07-27 | Apocalipse.1685 |
| 2004-07-27 | Apo.2108 |
| 2004-07-27 | TrojanDownloader.Win32.Apher |
| 2004-07-27 | Win32.Apathy |
| 2004-07-27 | Antiwin_II (rodzina) |
| 2004-07-27 | Trojan.Win32.Antigen |
| 2004-07-27 | Anticmos |
| 2004-07-27 | Antibase.1900 |
| 2004-07-27 | AntiWin_III (rodzina) |
| 2004-07-27 | AntiTrace.2122 |
| 2004-07-27 | AntiSkola.2111 |
| 2004-07-27 | AntiPascal (rodzina) |
| 2004-07-27 | AntiFort.1110 |
| 2004-07-27 | AntiEta.5315 |
| 2004-07-27 | Trojan.Win32.AnnoyingSaver |
| 2004-07-27 | Anni (rodzina) |
| 2004-07-27 | Amjads |
| 2004-07-27 | AlphaVirus (rodzina) |
| 2004-07-27 | Alien (rodzina) |
| 2004-07-27 | Alho.676 |
| 2004-07-27 | Macro.Word.Alex (rodzina) |
| 2004-07-27 | Constructor.VBS.Alamar |
| 2004-07-27 | Alabama |
| 2004-07-27 | Aija |
| 2004-07-27 | Aids.552 |
| 2004-07-27 | Backdoor.Agobot.3 |
| 2004-07-27 | Aga.3000 |
| 2004-07-27 | Advent (rodzina) |
| 2004-07-27 | Adin (rodzina) |
| 2004-07-27 | Ada.2600 |
| 2004-07-27 | JS.ActiveXComponent |
| 2004-07-27 | Ace.1872 |
| 2004-07-27 | Accept (rodzina) |