HTML/TrojanDownloader.IFrame是不是木马?

HTML/TrojanDownloader.IFrame
打开网页就提示这个,是不是网页被挂马了,有什么好方法可以从源头上解决?
网站被挂马有什么好方法去解决?

Trojan-Clicker.HTML.Agent.a Trojan-Downloader.HTML.Agent.bk Trojan.DL.HTML.Spreader.a Trojan-Dropper.HTML.Small.g Trojan-Clicker.HTML.IFrame.a trojan-clicker.html.IFrame.en 木马程序 Trojan.HTML.PCard.0 Trojan-Downloader.HTML.IFrame.cd Trojan-Downloader.HTML.IFame.dm Trojan-Downloader.HTML.IFrame.dm