PUP.Sumnum

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Last updated:

Threat Scorecard

Popularity Rank: 15,154
Threat Level: 10 % (Normal)
Infected Computers: 145
First Seen: July 3, 2017
Last Seen: September 29, 2026
OS(es) Affected: Windows

The detection of PUP.Sumnum on your system indicates the presence of a potentially unwanted program (PUP) that may be causing issues with your computer's performance and security. It's essential to understand what this detection means and how to properly remove the threat to prevent further problems.

What Is PUP.Sumnum?

PUP.Sumnum is a detection name given to a type of potentially unwanted program that may have been installed on your system without your full knowledge or consent. PUPs are software applications that may not be malicious in nature but can still cause problems, such as displaying unwanted advertisements, collecting user data, or slowing down system performance. The term "PUP" is a broad category that encompasses various types of software, including adware, browser hijackers, and other unwanted programs.

How PUP.Sumnum Operates

PUPs like PUP.Sumnum often operate by exploiting vulnerabilities in software or by using deceptive tactics to trick users into installing them. They may be bundled with other software applications, or they may be downloaded from the internet through fake or misleading advertisements. Once installed, PUPs can modify system settings, registry entries, and browser configurations to achieve their goals, which may include displaying unwanted ads, redirecting browser traffic, or collecting user data.

Symptoms of Infection

Systems infected with PUP.Sumnum may exhibit a range of symptoms, including slow system performance, unwanted advertisements or pop-ups, browser redirects, and changes to default browser settings. Users may also notice suspicious programs or toolbars installed on their system, or they may receive fake alerts or warnings about system problems. In some cases, PUPs may also collect user data, such as browsing history or personal information, without consent.

  • Unwanted advertisements or pop-ups
  • Browser redirects or changes to default browser settings
  • Suspicious programs or toolbars installed on the system
  • Slow system performance
  • Fake alerts or warnings about system problems

How to Remove PUP.Sumnum

  1. Boot your system in Safe Mode with Networking to prevent the PUP from loading and to allow for easier removal.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and detect any malicious components related to PUP.Sumnum.
  3. Uninstall any suspicious programs or applications that may be related to the PUP.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any modifications made by the PUP.
  5. Reboot your system and perform another scan with your anti-malware tool to ensure that all components of the PUP have been removed.

Conclusion

Removing PUP.Sumnum from your system requires careful attention to detail and a thorough understanding of the removal process. By following the steps outlined above, you can help ensure that your system is free from the unwanted effects of this PUP. It's essential to remain vigilant and to regularly scan your system for any signs of malware or other unwanted programs to prevent future infections. Remember to always use reputable anti-malware tools and to be cautious when installing software applications or clicking on links from unknown sources.

SpyHunter Detects & Remove PUP.Sumnum

Registry Details

PUP.Sumnum may create the following registry entry or registry entries:
File name without path
http_yearlia.com_0.localstorage
http_yearlia.com_0.localstorage-journal