PUP.MySearch

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Last updated:

Threat Scorecard

Popularity Rank: 17,082
Threat Level: 10 % (Normal)
Infected Computers: 359
First Seen: July 24, 2009
Last Seen: July 9, 2026
OS(es) Affected: Windows

The detection of PUP.MySearch on your system indicates the presence of a potentially unwanted program (PUP) that may be causing unwanted changes to your browser settings, search results, or overall system behavior. It's essential to understand the nature of this threat and take appropriate steps to remove it and prevent future occurrences.

What Is PUP.MySearch?

PUP.MySearch is a type of malware that is classified as a potentially unwanted program. This category of threats includes software that, while not necessarily malicious in the classical sense, can still cause significant disruptions to your computing experience. PUPs often find their way onto systems through bundled downloads, where they are included alongside other, potentially legitimate software. Once installed, PUP.MySearch can alter browser settings, redirect search queries, and display unwanted advertisements, among other behaviors.

How PUP.MySearch Operates

PUP.MySearch operates by integrating itself into your web browser or system, often through extensions, add-ons, or by modifying system settings. It can monitor your browsing activities, collect data on your search queries, and use this information to generate targeted advertisements or to redirect your searches to specific websites. This not only compromises your privacy but can also lead to further security risks if the advertisements or redirected sites are malicious.

Symptoms of Infection

Identifying a PUP.MySearch infection can be challenging, as its symptoms may resemble those of other malware or even legitimate software behaviors. Common indicators include unexpected changes to your default search engine or homepage, an increase in unwanted pop-ups or advertisements, slower system performance, or redirects to unfamiliar websites. If you've noticed any of these symptoms, it's crucial to investigate further to determine the cause and take corrective action.

  • Changes to browser settings without your consent
  • Unwanted advertisements or pop-ups
  • Redirects to unfamiliar or suspicious websites
  • Slower than usual system performance

How to Remove PUP.MySearch

  1. Boot your computer in Safe Mode with Networking to prevent PUP.MySearch from loading and to give you a clean environment to work in.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all components of PUP.MySearch.
  3. Manually uninstall any suspicious programs that you do not recognize or that were installed around the time your issues began.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any changes made by PUP.MySearch.
  5. Reboot your computer and perform another scan with your anti-malware tool to ensure that all remnants of PUP.MySearch have been removed.

Conclusion

Removing PUP.MySearch requires a combination of technical knowledge and the right tools. By following the steps outlined above and maintaining vigilance in your online activities, you can protect your system from PUP.MySearch and other potentially unwanted programs. Regularly updating your software, avoiding suspicious downloads, and using reputable security software are key to preventing future infections. Remember, staying informed and proactive is your best defense against malware and other online threats.

Aliases

14 security vendors flagged this file as malicious.

Antivirus Vendor Detection
Sophos MyWebSearch
Panda Application/MyWay
McAfee potentially unwanted program MySearch
K7AntiVirus Non-Virus:AdWare.Win32.MySearch.f
Ikarus not-a-virus:AdWare.Win32.MySearch.f
Fortinet Adware/MySearch
F-Secure AdWare.Win32.MySearch.f
ClamAV Adware.Mysearch
CAT-QuickHeal AdWare.MySearch.f (Not a Virus)
BitDefender Adware.Myway.1
AVG Generic.OFK
Avast Win32:Adware-gen
Authentium W32/Adware.MYN
AntiVir ADSPY/MySearch.F

File System Details

PUP.MySearch may create the following file(s):
# File Name MD5 Detections
1. S4BAR.DLL 5cce67b641c73eba2e405d1372b213a9 1