Home Malware Programs Browser Hijackers ’855-666-8851′ Pop-Ups

’855-666-8851′ Pop-Ups

Posted: December 14, 2015

Threat Metric

Threat Level: 8/10
Infected PCs: 14
First Seen: December 14, 2015
Last Seen: December 26, 2021
OS(es) Affected: Windows

The '855-666-8851' pop-ups are technical support tactics, which third parties may use for acquiring money, information or even access to your computer unlawfully. Due to the '855-666-8851' pop-ups imitating the formats of some Windows security features, all computer users should try to ascertain the origin of all similar alerts before following any PC maintenance or repair recommendations. Since these attacks may be possible symptoms of a threat infection, removing the '855-666-8851' pop-ups permanently, rather than simply blocking them, always should be done with the help of a reliable anti-malware product.

A Browser Problem that Keeps Popping Up

The '855-666-8851' pop-ups are browser-based misleading tactics that may load fake system warnings, format themselves to resemble the pop-ups of real security products and launch automatically (whether or not you've opened your browser). Some symptoms malware experts notice from the '855-666-8851' pop-ups may include fake security audio messages, fake Avast-brand warning messages and fake notifications from the Microsoft's Security Essentials. Some attacks related to the '855-666-8851' pop-ups also may rotate the fraudulent hotlines in use or promote fake 'system cleaner' applications.

Along with delivering fake information about your PC, the '855-666-8851' pop-ups also may encourage you to contact a fictitious Microsoft support technician. The phone contact may have different results although malware experts ordinarily see consequences that may include:

  • Third parties may ask you to modify your network settings or install software that could let them access your PC from a remote location. These system changes grant the con artist the equivalent of a backdoor security hole, through which they may install threats, collect your information or delete your files.
  • However, some con artists may choose to recommend you to purchase a fake security service or product. In most cases, these products have no meaningful system repair, maintenance or security features, and no purpose other than giving the con artists access to your money or your information.

Stopping an Endless PC Repair Tactic Campaign

The ubiquity of hoaxes like the '855-666-8851' pop-ups and other phishing campaigns, like the '800-098-830' Pop-Ups, the '877-695-4931' Pop-Up, and the '855-596-2695' Pop-Ups, makes self-education on these attacks necessary for any PC user. The majority of the potential damages from the '855-666-8851' pop-ups can be stopped by Web surfers refusing to provide information to unverified third party companies, and making system changes that give strangers access to their machines. However, if the '855-666-8851' pop-ups trigger themselves on a repeating basis, adware, browser hijackers or other threats may have compromised your PC.

If you need to remove the '855-666-8851' pop-ups or any of the above software, reboot your computer into Safe Mode (either by the default keyboard shortcut or a recovery drive). Scan your PC with an up-to-date anti-malware product while keeping all browsers fully closed. You also may need to reset your Web-browsing settings, including wiping browser-specific caches and restoring your Hosts file to its default state. Because of the '855-666-8851' pop-ups' confirmed links to scamware, malware experts also recommend an additional scan after all of the above steps for verifying that your PC is completely disinfected.

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