Windows security and management software provider SunBelt Software announced the top ten most prevalent spyware and malware threats for the month of November (2008). The report was compiled from monthly scans performed by Sunbelt's antispyware tool, dubbed CounterSpy, and VIPRE, its anti-malware solution. The results represent the number of times a particular spyware or malware infection was detected during CounterSpy and VIPRE scans that report back to Sunbelt's community of opt-in users.

The top ten most prevalent spyware threats for the month of November are:

1.   Trojan-Downloader.Zlob.Media-Codec 4.27%
2.   Trojan-Downloader.braviax 2.89%
3.   Virtumonde 1.88%
4.   Explorer32.Hijacker 1.62%
5.   Trojan.FakeAlert 1.42%
6.   Rootkit.TDss.Gen 1.25%
7.   Trojan-Spy.Win32.Zbot.gen 1.15%
8.   Antivirus 2009 1.08%
9.   INF.Autorun (v) 1.07%
10.   Trojan-Downloader.Generic 1.04%