The main purpose of the digital certificate is to ensure that the application belongs to the entity to which the certificate was issued. The Spigot digital certificate does not guarantee that a signed application is safe to run, but rather informs the user that the software was digitally signed by Spigot and verified by a trusted Certificate Authority (CA).
Spigot, inc is a software an advertising toolbar company offering free extension applications for Internet Explorer, Chrome and Mozilla Firefox. Spigot allows 'partners' to create custom branded toolbars that present adverting based search results in a user's Web browser in order to generate revenue from searches. The toolbar framework is called Widgi Toolbar. Widgi Toolbar is a set of toolbars built on platform, provided by spigot inc. The toolbars are known to be installed together with other software, most often freeware or shareware. Typically, PC owner is not careful enough and leave some checkboxes unchecked. That is how one of such Widgi toolbars land on their browser. There are multiple toolbars in circulation, namely MyBrowserBar, Dealio, YouTubeDownloader and others. On itself, Widgi Toolbars are not very dangerous. They might display advertisements, or change your browsers default search provider to the one that pays the most. Despite that these toolbars might be undesirable.
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About (from Spigot at www.spigot.com)
“Spigot has partnered with leading search providers to ensure localized coverage in all major markets. In the US, Yahoo has partnered with Microsoft's Bing to offer a competitive search solution with a flexible partner that will allow your brand to shine the brightest while maximizing revenue.
Search results pages you visit when performing a search using the toolbar are provided by our search engine partners (i.e. Yahoo, Baidu, Yandex, eBay, Amazon).
The toolbar communicates with our servers from time to time to check for available software updates such as bug fixes, patches, enhanced functions and new versions. By installing the toolbar, you agree to automatically request and receive updates. If you wish to turn off automatic updates, you can do so from the Options menu in the toolbar.
Spigot, Revenue and Engagement on Tap. Keep your customers coming back and delight them with contextually relevant content and applications. Your users already search, shop, and consume a variety of applications all across the Internet. Now you can share in those revenue streams too. Place your brand right in front of customers while they are browsing. Custom toolbars made just for you.”