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Peapoon Ads

Posted: August 4, 2015

Threat Metric

Threat Level: 8/10
Infected PCs: 19
First Seen: August 6, 2015
Last Seen: September 10, 2021
OS(es) Affected: Windows

Peapoon is a browser extension that may load uncontrollable advertising content while you browse unrelated websites. Advertisements from Peapoon are not automatically harmful to your PC, but may inadvertently include damaging content, such as online hoaxes or browser exploits. Removing Peapoon from your browser should improve both its performance and its overall security, and malware analysts encourage using specialty anti-adware tools to verify this adware's complete deletion.

The Peapoon Under the Mattress

Peapoon is an adware product that, similarly to most past adware, leverages non-consensual install strategies to make up for a lack of a reason for its users to install Peapoon willingly. Malware analysts confirmed recent distributions of Peapoon advertisements as of July 2015, and this adware has no known clones or other variants that could be significantly older than that date. As with any newly identified PUP, updating your security software's threat database will increase your chances of proactively identifying Peapoon before it can install itself.

Peapoon's installation follows with modifications to your browser making it easier to insert additional content, which Peapoon loads as advertising from third-party affiliates. These changes may include:

  • Peapoon may deliver banners and other graphics-based advertisements displayed on top of your Web page content.
  • Peapoon may inject modified content into your Web pages, such as 'sponsored' search results that may include themselves along with your normal search results.
  • Peapoon may load separate pop-up windows for its advertisements that launch automatically.
  • Peapoon may temporarily redirect you to full-page advertisements when you try to navigate to an unrelated site.

Regardless of the formats used by individual installations of Peapoon, in no case does Peapoon provide appropriate controls for allowing its users to disable its advertisements universally.

Appeasing Your Browser with Removing Peapoon

Peapoon and adware similar to it may install themselves by bundling their software with a second product marketed more prominently on any download links. These downloads may be found at some of the less reputable freeware domains, as well as on free downloading networks that may or may not label the bundles honestly. However, malware analysts find most competent file scanners capable of identifying common bundle installers, both by specific brands and heuristically. Scanning suspicious downloads provided for free could prevent you from allowing Peapoon to modify your browser.

Although Peapoon isn't a Trojan or other type of threat, Peapoon may promote harmful content alongside its normal advertising. Any unprotected contact with sponsored advertisements from Peapoon should be kept to a minimum until you've deleted Peapoon with your anti-adware tool of preference. You may wish particularly to watch for common advertisement-delivered attacks, including fraudulent software updates, inaccurate system messages like the 'Warning Your PC Is About To Crash' Fake Alert and phishing tactics.

To date, malware analysts have seen Peapoon on Windows machines, but not on other OSes of note.

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