Most Read Descriptions
| Threat Name | Description Type | Threat Type | Date Added |
| Win32/Rbot | Threat Variant | trojan | Mar 19 2005 |
| Win32/Spy.Zbot.YW | Threat Variant | trojan | Apr 21 2010 |
| Win32/Sirefef.A | Threat Variant | trojan | Nov 13 2009 |
| Win32/Spatet.A | Threat Variant | trojan,worm | Nov 12 2009 |
| Win32/AutoRun.KS | Threat Variant | worm | Apr 09 2008 |
| Win32/Dorkbot.B | Threat Variant | worm | May 16 2011 |
| Win32/Agent.OBA | Threat Variant | trojan | Jul 24 2008 |
| Win32/Qhost.PEV | Threat Variant | trojan | Apr 17 2012 |
| Win32/TrojanDownloader.Wauchos.A | Threat Variant | trojan | May 12 2012 |
| ACAD/Medre.A | Threat Variant | worm | Feb 02 2012 |
| Win32/Cakl.NAG | Threat Variant | trojan | Mar 17 2008 |
| Win32/SpyVoltar.A | Threat Variant | trojan | Oct 03 2011 |
| Win32/AutoRun.Qhost.AD | Threat Variant | worm | May 11 2010 |
| Win32/Sirefef.EV | Threat Variant | trojan | Apr 18 2012 |
| HTML/Iframe.B.Gen | Threat Variant | virus | Jul 11 2009 |
| Win32/Bifrose.ACI | Threat Variant | trojan | Jan 25 2007 |
| Win32/Conficker.AA | Threat Variant | worm | Jan 01 2009 |
| Win32/TrojanDownloader.Bredolab.AN | Threat Variant | trojan | Sep 08 2009 |
| Win32/Ponmocup.AA | Threat Variant | trojan | Nov 08 2011 |
| Win32/Spy.Banker.QEP | Threat Variant | trojan | Jan 18 2009 |
| Win32/Simda.B | Threat Variant | trojan | Apr 19 2012 |
| Win32/AutoRun.IRCBot.FC | Threat Variant | worm | Apr 22 2010 |
| Win32/TrojanDownloader.Necurs.A | Threat Variant | trojan | May 24 2011 |
| Win32/Ramnit.A | Threat Variant | virus | Jul 27 2010 |
| Win32/AutoRun.Spy.Banker.M | Threat Variant | worm | Nov 13 2011 |