Windows security software provider Sunbelt Software released a list of the most prevalent malware threats for the month of June 2009.

Sunbelt Labs finds a surge in threat detections for the high risk threat Trojan-Spy.Win32.Zbot.gen, a family of password-stealing Trojan programs which is being distributed through SPAM (often as a file purporting to be an airline e-ticket, as a file attachment from "United Parcel of America," and one claiming to be an e-payment notification of an order with Amazon.com. The Trojan injects code from remote sites that harvest confidential data off a user's system including cached passwords, login credentials for web sites such as online banking sites, as well as data in certificates and cookies.

The following are the most prevalent spyware threats for the month of June.

1. Trojan-Spy.Win32.Zbot.gen: 7.19%
2. Trojan.DNSChanger.Gen: 2.66%
3. Trojan-Downloader.Zlob.Media-Codec: 2.63%
4. Trojan.1: 2.62%
5. BehavesLike.Win32.Malware (v): 2.59%
6. Exploit.PDF-JS.Gen (v): 2.19%
7. PersonalAntivirus: 1.52%
8. INF.Autorun (v): 1.45%
9. Trojan-Spy.Win32.Pophot.gen: 1.40%
10. Win32.Cekar.E: 1.40%

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