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Danger level 7
Common infection symptoms:
  • Annoying Pop-up's

Error Code 154-247-087 Pop-up

Error Code 154-247-087 Pop-up is fake security alert that you can see by clicking a link on a suspicious website, but it can also be rendered by a malicious application or a browser extension. We regard it as malware and recommend that you remove it as soon as you can. It will not jeopardize your PC directly. Rather, it is used to promote a fake tech support number whose staff might sell you useless and possibly malicious software. This fake security alert only serves one purpose — to promote the fake tech support number that generates revenue. For more detailed information we invite you to read this whole article.

If your computer were to become infected with Error Code 154-247-087 Pop-up, then it will frequently appear on your web browser. Whether you use Microsoft Internet Explorer, Google Chrome or Mozilla Firefox does not matter. At first, it will show you an error message on a black background. The message states that “your system has critical security vulnerabilities.” It will also use scare tactics by saying that your email, bank, and other passwords, and credit card information is at risk. Then it will render the Error Code 154-247-087 Pop-up which offers you to call 0-800-098-8052 tech support number and receive help in dealing with the alleged security threat. The pop-up window claims that your PC was infected with Cydoor Spyware which is obviously not true because a website or browser cannot detect malware and state its name like if it had a database for malicious software names.

While collecting information about this malicious pop-up, we found that it is most likely distributed secretly. The information we have found suggests that Error Code 154-247-087 Pop-up comes with an application or a browser plug-in that gives the browser instructions to load{.}html at random. The program or plug-in, whichever it may be, is said to be bundled with malicious software installers that feature several applications. While installing the bundled software, the installer might also install the program that renders Error Code 154-247-087 Pop-up. These software installers can be found on various questionable websites dedicated to hosting downloads of free software. Thankfully, you can close the pop-up, but it will continue to nag if you let it stay on your computer. Therefore, we advocate for its removal and suggest using the guide we have included that the bottom of this article.

There is not much information about this malicious pop-up. All we know is that it is malicious because it comes from an unknown source and it set to promote a fake tech support number that will not help you but try to help you something. The error that it shows is fake, so your PC is probably fine, for the most part. All you have to do is delete the software that makes the browser show Error Code 154-247-087 Pop-up, and you will be able to browse the web safely.

Reset your brewer’s settings to default

Mozilla Firefox

  1. Launch the web browser.
  2. Press Alt+H and click Troubleshooting Information.
  3. Click Refresh Firefox.
  4. In the dialog box, click Refresh Firefox.
  5. Click Finish.

Google Chrome

  1. Launch the web browser.
  2. Press Alt+F keys and choose Settings.
  3. Select Show advanced settings.
  4. Click Reset settings and then click Reset again.

Microsoft Internet Explorer

  1. Launch Internet Explorer
  2. Press Alt+T keys.
  3. Click Internet Options and select the Advanced tab.
  4. Click Reset, and click Reset again in the dialog box.
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