Home Malware Programs Adware DeallSter

DeallSter

Posted: September 30, 2014

Threat Metric

Threat Level: 2/10
Infected PCs: 49,730
First Seen: September 30, 2014
Last Seen: June 28, 2022
OS(es) Affected: Windows


DeallSter is adware that changes the Web pages loaded by your browser so that they display extra advertisements, although supposedly to provide the PC user with shopping deals. DeallSter derives from a general add-on development platform that malware experts have seen other adware products utilize, and may be identified as a variant of such software by any dependable anti-adware scanner. Failing to uninstall DeallSter with such tools may result in poor browser performance, degraded site legibility or even security issues, as is the case with most forms of advertising add-ons.

The Side Effects of 'Good' Deals Going Wrong

DeallSter is another adware product based on JustPlug, which previously was a component of SaverAddon and similar adware. Like prior uses of that development platform, DeallSter's predominant function is to modify Web pages to load shopping-themed suggestions, typically associated with products you already have viewed in your browser. Malware researchers have particularly noted the use of product suggestion thumbnails. However, DeallSter also may be used for linking advertisements via text, launching independent pop-up advertisements or redirecting its users to full-sized advertising pages (a process known as 'interstitial' advertising).

DeallSter also monitors your basic Web traffic. Rather than using this function to collect private information, DeallSter uses it to adjust its advertising content. However, malware researchers sometimes find such features associated with Web browser slowdowns. Internet privacy advocates also may have independent reasons for disapproving of this function, which, like DeallSter's actual advertising, provides no meaningful benefits to its users.

Saving Your Browser from the Savings that You didn't Request

Because of the broad proliferation of adware add-ons using the same development platform as DeallSter, it tends to be identified as a JustPlug or MultiPlug alias, such as PUP.Optional.MultiPlug.A or ADW_MULTIPLUG. Some PC security tools may incorrectly classify DeallSter as a threatening software. Although DeallSter isn't a threat, malware experts still find removing DeallSter from your Web browser to be preferable for both its stability and security.

DeallSter may install with the assistance of a third-party bundle utility, or a program that installs more than one program simultaneously. In the past, these bundles often have been distributed by free software websites and file-transfer networks with unsafe reputations. However, in rare cases, DeallSter also may be installed by threats, and any appearance of other symptoms not described in this article may be a sign of a threat infection.

Current samples of DeallSter add-ons are specific to Windows platforms. The Chrome and Internet Explorer browsers are most likely to be modified by DeallSter, although other browsers also may be susceptible to similar advertisement-promoting changes. Regardless of the type of browser affected, the recommended solution is for you to remove DeallSter with anti-adware products designed for that specific purpose.

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