PUP.MacMaster.macOS
Threat Scorecard
EnigmaSoft Threat Scorecard
EnigmaSoft Threat Scorecards are assessment reports for different malware threats which have been collected and analyzed by our research team. EnigmaSoft Threat Scorecards evaluate and rank threats using several metrics including real-world and potential risk factors, trends, frequency, prevalence, and persistence. EnigmaSoft Threat Scorecards are updated regularly based on our research data and metrics and are useful for a wide range of computer users, from end users seeking solutions to remove malware from their systems to security experts analyzing threats.
EnigmaSoft Threat Scorecards display a variety of useful information, including:
Popularity Rank: The ranking of a particular threat in EnigmaSoft’s Threat Database.
Severity Level: The determined severity level of an object, represented numerically, based on our risk modeling process and research, as explained in our Threat Assessment Criteria.
Infected Computers: The number of confirmed and suspected cases of a particular threat detected on infected computers as reported by SpyHunter.
See also Threat Assessment Criteria.
| Threat Level: | 10 % (Normal) |
| Infected Computers: | 344 |
| First Seen: | February 21, 2020 |
| Last Seen: | January 9, 2026 |
The detection of PUP.MacMaster.macOS indicates that your system has been compromised by a potentially unwanted program (PUP). This type of threat is designed to disrupt the normal functioning of your computer, often for the purpose of generating revenue for its creators through various means such as displaying unwanted advertisements, collecting user data, or hijacking browser settings. Understanding the nature and behavior of PUP.MacMaster.macOS is crucial for effective removal and prevention of future infections.
Table of Contents
What Is PUP.MacMaster.macOS?
PUP.MacMaster.macOS is classified as a potentially unwanted program, which implies it is not necessarily malicious in the traditional sense (like viruses or trojans) but can still cause significant inconvenience and potential harm to your system and personal data. PUPs often sneak onto computers through bundled software downloads, deceptive advertisements, or exploit vulnerabilities in software. Once installed, they can lead to a range of issues, from performance degradation to privacy violations.
How PUP.MacMaster.macOS Operates
PUPs like PUP.MacMaster.macOS typically operate by integrating themselves into the system or web browsers, allowing them to monitor and control certain aspects of user activity. They might alter search results, inject ads into web pages, or even install additional unwanted software. Their operation is often stealthy, making them difficult for average users to detect without proper security tools. The primary goal of such programs is usually financial, achieved through pay-per-click advertising, data selling, or affiliate marketing.
Symptoms of Infection
Symptoms of a PUP.MacMaster.macOS infection can vary but often include an increase in unwanted advertisements (pop-ups, banners, etc.), unexpected changes in browser settings (homepage, default search engine), and a general slowdown of the system due to resource consumption by the PUP. In some cases, users might notice the installation of additional software they did not request or find that their web searches are being redirected to suspicious websites. These indicators suggest that your system is compromised and immediate action is necessary to secure your data and restore system performance.
How to Remove PUP.MacMaster.macOS
- Boot your computer in Safe Mode with Networking to prevent the PUP from loading and to give you a clean environment to work in.
- Download and run a full scan with a reputable anti-malware tool, such as SpyHunter, to detect and remove all traces of PUP.MacMaster.macOS and any other potential threats.
- Manually uninstall any suspicious programs that were installed around the time you noticed the infection. Be cautious and only remove programs you are certain are unwanted.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any alterations made by the PUP, such as changed homepages or search engines.
- Finally, reboot your computer and perform another scan with your anti-malware tool to ensure that all components of the PUP have been successfully removed.
Conclusion
Removing PUP.MacMaster.macOS 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 similar threats in the future. Regularly updating your operating system, browsers, and security software, along with being cautious when downloading and installing software, are key practices in preventing PUP infections. Remember, the security of your digital environment is an ongoing process that requires attention and effort to ensure your privacy and data safety.
File System Details
| # | File Name | MD5 |
Detections
Detections: The number of confirmed and suspected cases of a particular threat detected on
infected computers as reported by SpyHunter.
|
|---|---|---|---|
| 1. | com.fonepaw.MacMaster.HelperTool | 9c5fc95ed8b215f6035514156be7c017 | 53 |
| 2. | macmaster.pkg | c7ff39a888af29aa88a8ff7e91787f56 | 16 |
| 3. | LzmaSDK_ObjC | a4b95cda2b90da56270708dd40710dcf | 8 |
| 4. | UnrarKit | 6520750ca916dc2a669fe0b545fb7655 | 7 |
| 5. | macmaster.dmg | d63ea64b4509f78f0c734aef575ca494 | 3 |
| 6. | MacMasterXPCService | dade93cefb3ac07800e3d2670f29a9dc | 1 |
| 7. | MacMaster | e9500086baac72e301841cb6a0ee846d | 0 |
