Here is a breakdown explaining what is included:
New Items
--------------------------------------------------------
Edipole (3 variants)
WinRes Hijacker
Updated Items
--------------------------------------------------------
CoolWebSearch
Edge Tech
GMSoft Dialer
Golden Palace Casino
Holystic-Dialer
JRaun
Virtumundo
VX2.BetterInternet
WildTangent (2 variants)
Win32.Spybot.B
After updating, the detail-screen shows the following information:
Reference Number : 01R263 27.02.2004
Internal build : 190
Total size : 912300 Bytes
Signature data size : 895901 Bytes
Reference data size : 16335 Bytes
Signatures total : 20248
Target categories : 10
Target families : 432

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic