PUP.Defender Pro
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.
| Popularity Rank: | 14,988 |
| Threat Level: | 10 % (Normal) |
| Infected Computers: | 19,013 |
| First Seen: | July 29, 2013 |
| Last Seen: | September 18, 2026 |
| OS(es) Affected: | Windows |
The detection of PUP.Defender Pro 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 appropriate steps to remove it and prevent future infections.
Table of Contents
What Is PUP.Defender Pro?
PUP.Defender Pro is a type of potentially unwanted program that may have been installed on your system without your knowledge or consent. PUPs are often bundled with other software or downloaded from the internet, and they can cause a range of problems, including slowing down your computer, displaying unwanted ads, and collecting your personal data. PUPs can also compromise your system's security, making it more vulnerable to other types of malware and cyber threats.
How PUP.Defender Pro Operates
PUP.Defender Pro, like other PUPs, operates by installing itself on your system and then executing its payload. This can include displaying fake alerts and warnings, scanning your system for non-existent threats, and offering to sell you fake or unnecessary security software. PUPs can also modify your system's settings and configuration, causing problems with your internet connection, browser, and other applications. In some cases, PUPs can also install additional malware or unwanted software on your system, further compromising its security and performance.
Symptoms of Infection
If your system is infected with PUP.Defender Pro, you may notice a range of symptoms, including slow system performance, unwanted ads and pop-ups, and fake alerts and warnings. You may also notice that your browser's homepage or search engine has been changed, or that you are being redirected to unwanted websites. In some cases, you may also experience problems with your system's security software, such as disabled antivirus or firewall protection. If you notice any of these symptoms, it's essential to take immediate action to remove the PUP and prevent further damage.
How to Remove PUP.Defender Pro
- Boot your system in Safe Mode with Networking to prevent the PUP from loading and to allow you to download and install removal tools.
- Download and install a reputable anti-malware tool, such as SpyHunter, and perform a full scan of your system to detect and remove the PUP and any associated malware.
- Uninstall any suspicious programs or software that you don't recognize or that you didn't intentionally install.
- Reset your browser settings to their default values, including Chrome, Firefox, and Edge, to remove any changes made by the PUP.
- Reboot your system and perform a follow-up scan with your anti-malware tool to ensure that the PUP has been completely removed and that your system is clean.
Conclusion
Removing PUP.Defender Pro from your system requires a combination of technical knowledge and the right tools. By following the steps outlined above, you can effectively remove the PUP and prevent future infections. It's also essential to take steps to prevent PUPs from being installed on your system in the first place, such as being cautious when downloading software from the internet, reading user agreements carefully, and avoiding suspicious or untrusted websites. By taking a proactive approach to system security, you can help protect your computer and your personal data from the threats posed by PUPs and other types of malware.
SpyHunter Detects & Remove PUP.Defender Pro
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. | quickscan.exe | bf4b85cb40735dce08a19379cc02bf12 | 18,362 |
| 2. | trufos.sys | b16d66a71de03285e14e9f165b59eda4 | 254 |
| 3. | bdselfpr.sys | 5eaf583c0b1cc2499761ea3b065f5db2 | 52 |