PUP.SmartDLLErrorFixer

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Last updated:

Threat Scorecard

Threat Level: 10 % (Normal)
Infected Computers: 293
First Seen: March 27, 2019
Last Seen: November 4, 2025
OS(es) Affected: Windows

The detection of PUP.SmartDLLErrorFixer 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 the nature of this threat and take prompt action to remove it to prevent potential harm.

What Is PUP.SmartDLLErrorFixer?

PUP.SmartDLLErrorFixer is a type of potentially unwanted program that may have been installed on your system without your knowledge or consent. PUPs are software applications that may not be malicious in nature but can still cause problems with your system's performance, stability, and security. They often claim to provide useful functions or services, but in reality, they may be designed to generate revenue for their creators through advertising, data collection, or other means.

How PUP.SmartDLLErrorFixer Operates

PUP.SmartDLLErrorFixer, like other PUPs, may operate by installing itself on your system through various means, such as bundled software downloads, infected websites, or misleading advertisements. Once installed, it may start displaying unwanted ads, collecting your browsing data, or modifying your system settings without your permission. It may also slow down your system's performance, cause crashes, or interfere with other applications.

Symptoms of Infection

If your system is infected with PUP.SmartDLLErrorFixer, you may experience a range of symptoms, including unwanted ads, pop-ups, or browser redirects. You may also notice that your system is running slower than usual, or that your browser settings have been changed without your permission. Additionally, you may see suspicious programs or toolbars installed on your system, or receive fake alerts or warnings about system errors or vulnerabilities.

  • Unwanted ads or pop-ups
  • Browser redirects or hijacking
  • Slow system performance
  • Changed browser settings
  • Suspicious programs or toolbars
  • Fake alerts or warnings

How to Remove PUP.SmartDLLErrorFixer

  1. Boot your system in Safe Mode with Networking to prevent the PUP from loading and to allow for a more effective removal process.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and detect any malicious files or programs.
  3. Uninstall any suspicious programs or applications that you don't recognize or that were installed without your consent.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any unwanted extensions or add-ons.
  5. Reboot your system and perform another scan with your anti-malware tool to ensure that the PUP has been completely removed.

Conclusion

Removing PUP.SmartDLLErrorFixer from your system is crucial to prevent potential harm and restore your system's performance and security. By following the steps outlined above, you can effectively remove this PUP and protect your system from similar threats in the future. Remember to always be cautious when downloading software or clicking on links, and to use reputable anti-malware tools to scan your system regularly. By taking these precautions, you can help keep your system safe and secure.

SpyHunter Detects & Remove PUP.SmartDLLErrorFixer

File System Details

PUP.SmartDLLErrorFixer may create the following file(s):
# File Name MD5 Detections
1. 4.4.9_Smart_Dll_Errors_Fixer_Pro_Setup.exe 4349942009811978775472e36a1f56de 23
2. SmartPCFixer.exe eed85bb5f8b63fef2dc2acdb3a9612bb 2