PUP.Netfilter.A
The detection of PUP.Netfilter.A 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 to prevent any potential harm.
Table of Contents
What Is PUP.Netfilter.A?
PUP.Netfilter.A 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, such as displaying unwanted advertisements, collecting user data, or modifying system settings. The term "PUP" is a general classification, and PUP.Netfilter.A is a specific detection name that indicates the presence of this type of software on your system.
How PUP.Netfilter.A Operates
PUPs like PUP.Netfilter.A can operate in various ways, including displaying unwanted advertisements, redirecting web searches, or collecting user data. They may also modify system settings, such as changing the default search engine or homepage, or installing additional software without user consent. In some cases, PUPs may be bundled with other software applications, making it difficult to detect and remove them.
Symptoms of Infection
Systems infected with PUP.Netfilter.A may exhibit various symptoms, including unwanted advertisements, slow system performance, or unexpected changes to system settings. You may also notice that your web browser is redirecting to unfamiliar websites or that additional software has been installed without your consent. If you suspect that your system is infected with PUP.Netfilter.A, it is crucial to take immediate action to remove the threat and prevent any further damage.
How to Remove PUP.Netfilter.A
To remove PUP.Netfilter.A from your system, follow these steps:
- Boot your system in Safe Mode with Networking to prevent any malicious software from loading.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove any malware or PUPs.
- Uninstall any suspicious programs or software applications that may be related to the PUP.Netfilter.A infection.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any unwanted extensions or add-ons.
- Reboot your system and perform another full scan to ensure that the threat has been completely removed.
By following these steps, you can effectively remove PUP.Netfilter.A from your system and prevent any further damage.
Conclusion
The detection of PUP.Netfilter.A on your system is a serious issue that requires immediate attention. By understanding the nature of this threat and taking the necessary steps to remove it, you can protect your system and prevent any potential harm. Remember to always be cautious when installing software applications, and make sure to use reputable anti-malware tools to detect and remove any malware or PUPs. By taking these precautions, you can help ensure the security and integrity of your system.
Analysis Report
General information
| Family Name: | PUP.Netfilter.A |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
df3b7f2b9bdda26e180636686a456423
SHA1:
4dd3fd6f55aed7688dcc2d717324ab4e1c3cf327
SHA256:
77D5AC25F93A962553E5C0F0F0DDA6F7C21F139EDEA17EEC9A519A3DF228971A
File Size:
108.54 KB, 108544 bytes
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MD5:
ef0a9c0afebfeafebae13325bc65e0e0
SHA1:
c4fd77de3556aed8c2f2402976bf142e99b64790
SHA256:
D9C0AEA39BAECB0468C6B00464F34E8E44732CF4969B9ADFDF0228DEB773B229
File Size:
108.54 KB, 108544 bytes
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Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- File doesn't have security information
- File has exports table
- File is 32-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is Native application (NOT .NET application)
- 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)
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 |
|---|---|
| File Description | nfapi |
| File Version | 1, 4, 2, 8 |
| Internal Name | nfapi |
| Legal Copyright | Copyright (C) 2013 |
| Original Filename | nfapi.dll |
| Product Name | NetFilterSDK |
| Product Version | 1, 4, 2, 8 |
File Traits
- dll
- HighEntropy
- 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: | 441 |
|---|---|
| Potentially Malicious Blocks: | 47 |
| Whitelisted Blocks: | 387 |
| Unknown Blocks: | 7 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
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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| Process Shell Execute |
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| Anti Debug |
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| Process Manipulation Evasion |
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Shell Command Execution
Shell Command Execution
This section lists Windows shell commands that are run by the samples in this family. Windows Shell commands are often leveraged by malware for nefarious purposes and can be used to elevate security privileges, download and launch other malware, exploit vulnerabilities, collect and exfiltrate data, and hide malicious activity.
C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\4dd3fd6f55aed7688dcc2d717324ab4e1c3cf327_0000108544.,LiQMAxHB
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C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\c4fd77de3556aed8c2f2402976bf142e99b64790_0000108544.,LiQMAxHB
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