PUP.A1PCCleaner

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Last updated:

Threat Scorecard

Threat Level: 10 % (Normal)
Infected Computers: 12,460
First Seen: March 19, 2015
Last Seen: April 12, 2026
OS(es) Affected: Windows

The detection of PUP.A1PCCleaner 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 is essential to understand the nature of this threat and take appropriate steps to remove it and prevent future infections.

What Is PUP.A1PCCleaner?

PUP.A1PCCleaner is a type of malware that is classified as a potentially unwanted program. This means that while it may not be as malicious as other types of malware, such as viruses or Trojans, it can still cause problems with your system and compromise your privacy. PUPs are often installed unintentionally, bundled with other software or downloaded from untrusted sources.

How PUP.A1PCCleaner Operates

PUP.A1PCCleaner, like other PUPs, operates by installing itself on your system and then performing various unwanted actions. This can include displaying annoying advertisements, collecting your personal data, and slowing down your computer's performance. PUPs can also install additional malware or unwanted software, making it challenging to remove them completely.

PUPs often use deceptive tactics to install themselves on your system, such as pretending to be a legitimate program or offering fake updates. They can also exploit vulnerabilities in your system or use social engineering tactics to trick you into installing them.

Symptoms of Infection

If your system is infected with PUP.A1PCCleaner, you may notice various symptoms, including slow system performance, annoying advertisements, and unexpected changes to your browser settings. You may also notice that your system is crashing or freezing frequently, or that your personal data is being collected and transmitted to unknown parties.

  • Unwanted advertisements or pop-ups
  • Slow system performance
  • Unexpected changes to browser settings
  • Crashing or freezing of the system
  • Collection and transmission of personal data

How to Remove PUP.A1PCCleaner

  1. Boot your system in Safe Mode with Networking to prevent the PUP from loading and to allow you to download and install removal tools.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all instances of PUP.A1PCCleaner.
  3. Uninstall any suspicious programs that may be related to the PUP, using the Add/Remove Programs feature in your system's Control Panel.
  4. Reset your browser settings to their default values, including Chrome, Firefox, and Edge, to remove any unwanted changes made by the PUP.
  5. Reboot your system and perform another full scan to ensure that all instances of the PUP have been removed.

Conclusion

Removing PUP.A1PCCleaner 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 completely free of this potentially unwanted program and prevent future infections. It is also essential to practice safe computing habits, such as avoiding untrusted software downloads and being cautious when clicking on links or opening email attachments, to reduce the risk of infection.

SpyHunter Detects & Remove PUP.A1PCCleaner

File System Details

PUP.A1PCCleaner may create the following file(s):
# File Name MD5 Detections
1. Probsalert.exe 65003af021240f34f2e03b7031bfbc84 63
2. A1PCCleaner.exe ae087e35cc9b9d8689ca87bebea3c908 37
3. updater.exe 04f5b55295971ac07b124128c32e2fb1 2
4. Popialert.exe 4dafeaf336aa58f4dd2e2478c73c922c 2
5. PCTunerFG.exe 28eea3e4be50b5fff9d45e95105c2b30 1
6. PCTunerAV.exe 10e3e0785f7df8b0db9cce2e409d6af4 1
More files

Registry Details

PUP.A1PCCleaner may create the following registry entry or registry entries:
File name without path
A1PCCleaner.lnk
A1PCCleaner
Software\Tuneup computer A1PCCleaner
SOFTWARE\Wow6432Node\Tuneup computer A1PCCleaner

Directories

PUP.A1PCCleaner may create the following directory or directories:

%ALLUSERSPROFILE%\Microsoft\Windows\Start Menu\Programs\A1PCCleaner
%LOCALAPPDATA%\A1PCCleaner
%PROGRAMFILES%\Tuneup computer A1PCCleaner
%PROGRAMFILES(x86)%\PCTuner Softwaresav
%PROGRAMFILES(x86)%\Tuneup computer A1PCCleaner