Threat Encyclopaedia
| Threat Name | Description Type | Threat Type | Date Added |
| Win32/Bagif.A | Threat Variant | virus | 2003-05-07 |
| Win32/Bagle.F | Threat Variant | worm | 2004-02-29 |
| Win32/Bobax.A | Threat Variant | virus,worm | 2004-05-16 |
| Win32/Bagle.AS | Threat Variant | worm | 2004-10-29 |
| Win32/Bandok.B | Threat Variant | trojan | 2005-04-29 |
| Win32/Billatan.B | Threat Variant | trojan | 2005-08-01 |
| Win32/Brontok.A | Threat Variant | virus,worm | 2005-10-20 |
| Win32/Brontok.T | Threat Variant | worm | 2005-11-21 |
| Win32/Brof.B | Threat Variant | virus | 2006-03-05 |
| Win32/Brontok.BR | Threat Variant | worm | 2006-03-05 |