PUP.Zap PDF
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: | 8,112 |
| Threat Level: | 10 % (Normal) |
| Infected Computers: | 88 |
| First Seen: | March 10, 2026 |
| Last Seen: | July 2, 2026 |
| OS(es) Affected: | Windows |
The detection of PUP.Zap PDF 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 what this detection means and how to properly remove it to prevent any potential harm.
Table of Contents
What Is PUP.Zap PDF?
PUP.Zap PDF 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 are not necessarily malicious but can still cause problems, such as displaying unwanted advertisements, collecting user data, or slowing down system performance. The "PUP" designation indicates that the program is not considered malware in the classical sense but can still be a nuisance and potentially pose security risks.
How PUP.Zap PDF Operates
PUPs like PUP.Zap PDF often operate by installing themselves on a system through bundled software downloads or by exploiting vulnerabilities in existing applications. Once installed, they may start displaying unwanted ads, collecting user data, or running background processes that consume system resources. In some cases, PUPs can also install additional software or modify system settings without user consent, leading to further problems.
Symptoms of Infection
If your system is infected with PUP.Zap PDF, you may notice several symptoms, including unwanted pop-ups or advertisements, slow system performance, or unfamiliar programs running in the background. You may also notice that your browser settings have been modified or that new toolbars or extensions have been installed without your consent. In some cases, PUPs can also cause system crashes or freezes, especially if they are consuming excessive system resources.
How to Remove PUP.Zap PDF
- Boot your system in Safe Mode with Networking to prevent the PUP from loading and to ensure a stable environment for removal.
- Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and detect any associated files or registry entries.
- Uninstall any suspicious programs or applications that may be related to the PUP, using the "Add/Remove Programs" or "Programs and Features" control panel.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any modified settings or installed extensions.
- Reboot your system and perform a follow-up scan with your anti-malware tool to ensure that all associated files and registry entries have been removed.
Conclusion
Removing PUP.Zap PDF 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 free from this potentially unwanted program and any associated risks. Remember to always use reputable anti-malware tools and to stay vigilant when downloading software or clicking on links from unknown sources to prevent future infections.
SpyHunter Detects & Remove PUP.Zap PDF
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. | zappdf.exe | 735dc0470cb55040b5610cde35f4831e | 37 |
| 2. | zapdf.exe | 038556979e7af268c9337e7526074f70 | 30 |
Analysis Report
General information
| Family Name: | PUP.Zap PDF |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
1146d03d6eacbaedf50a67e7d57bdedc
SHA1:
490dd220f7dcf8f01c6d963cdeea57f8d0ea3d4c
SHA256:
0053AAE53EB57E7253FFCE01516F4DD5F175E4FEDF7AF5FEBAA5346AEC4A3A4D
File Size:
618.50 KB, 618496 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have exports table
- File doesn't have relocations information
- File doesn't have security information
- File is .NET application
- File is 64-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is not packed
- IMAGE_FILE_DLL is not set inside PE header (Executable)
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- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Icons
File Icons
This section displays icon resources found within family samples. Malware often replicates icons commonly associated with legitimate software to mislead users into believing the malware is safe.
Windows PE Version Information
Windows PE Version Information
This section displays values and attributes that have been set in the Windows file version information data structure for samples within this family. To mislead users, malware actors often add fake version information mimicking legitimate software.| Name | Value |
|---|---|
| Assembly Version | 1.0.0.6 |
| Comments | Convert, compress and merge your files into one PDF |
| File Description | Zapdf |
| File Version | 1.0.0.6 |
| Internal Name | Zapdf.exe |
| Legal Copyright | Zapdf © 2025 |
| Original Filename | Zapdf.exe |
| Product Name | Zapdf |
| Product Version | 1.0.0.6 |
File Traits
- .NET
- x86
Block Information
Block Information
During analysis, EnigmaSoft breaks file samples into logical blocks for classification and comparison with other samples. Blocks can be used to generate malware detection rules and to group file samples into families based on shared source code, functionality and other distinguishing attributes and characteristics. This section lists a summary of this block data, as well as its classification by EnigmaSoft. A visual representation of the block data is also displayed, where available.| Total Blocks: | 68 |
|---|---|
| Potentially Malicious Blocks: | 1 |
| Whitelisted Blocks: | 36 |
| Unknown Blocks: | 31 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
Files Modified
Files Modified
This section lists files that were created, modified, moved and/or deleted by samples in this family. File system activity can provide valuable insight into how malware functions on the operating system.| File | Attributes |
|---|---|
| c:\users\user\appdata\local\zapdf\zapdf_txt.txt | Generic Write,Read Attributes |
Registry Modifications
Registry Modifications
This section lists registry keys and values that were created, modified and/or deleted by samples in this family. Windows Registry activity can provide valuable insight into malware functionality. Additionally, malware often creates registry values to allow itself to automatically start and indefinitely persist after an initial infection has compromised the system.| Key::Value | Data | API Name |
|---|---|---|
| HKLM\software\microsoft\tracing\rasapi32::enablefiletracing | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::enableautofiletracing | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::enableconsoletracing | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::filetracingmask | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::consoletracingmask | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::maxfilesize | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::filedirectory | %windir%\tracing | RegNtPreCreateKey |
| HKLM\software\microsoft\tracing\rasmancs::enablefiletracing | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasmancs::enableautofiletracing | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasmancs::enableconsoletracing | RegNtPreCreateKey |
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| HKLM\software\microsoft\tracing\rasmancs::filetracingmask | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasmancs::consoletracingmask | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasmancs::maxfilesize | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasmancs::filedirectory | %windir%\tracing | RegNtPreCreateKey |
Windows API Usage
Windows API Usage
This section lists Windows API calls that are used by the samples in this family. Windows API usage analysis is a valuable tool that can help identify malicious activity, such as keylogging, security privilege escalation, data encryption, data exfiltration, interference with antivirus software, and network request manipulation.| Category | API |
|---|---|
| Syscall Use |
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4 additional items are not displayed above. |
| User Data Access |
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| Encryption Used |
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| Anti Debug |
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| Network Info Queried |
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| Other Suspicious |
|
| Network Winsock2 |
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| Network Winsock |
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| Network Winhttp |
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