PUP.MSIL.Bulz.KA
Your system has been detected with a potentially unwanted program (PUP) known as PUP.MSIL.Bulz.KA. This detection indicates that your computer may be compromised by a program that is not malicious in nature but can still cause various issues and potentially lead to more severe security problems. It's essential to understand what this detection means and how to properly remove it to ensure your system's security and performance.
Table of Contents
What Is PUP.MSIL.Bulz.KA?
PUP.MSIL.Bulz.KA is classified as a potentially unwanted program, which means it is a software that you may not have intentionally installed or requested. These types of programs can be bundled with other software, leading to unintentional installation. They often exhibit behaviors that can be annoying or detrimental to your system's performance, such as displaying unwanted advertisements, changing browser settings, or collecting user data without consent.
How PUP.MSIL.Bulz.KA Operates
Like other PUPs, PUP.MSIL.Bulz.KA operates by integrating itself into your system, often through bundled software installations or deceptive download buttons on websites. Once installed, it can start altering system settings, registry entries, or browser configurations to achieve its goals, which might include generating revenue through advertisements or collecting user data for marketing purposes. The presence of such a program can lead to system instability, increased risk of further malware infections, and potential privacy issues.
Symptoms of Infection
Symptoms of a PUP.MSIL.Bulz.KA infection can vary but commonly include an increase in unwanted pop-ups or advertisements, unexpected changes to your browser's homepage or default search engine, slowdowns in system performance, and the appearance of unfamiliar programs or toolbars in your browser or desktop. If you've noticed any of these symptoms, it's crucial to take immediate action to remove the PUP and prevent further complications.
How to Remove PUP.MSIL.Bulz.KA
- Enter Safe Mode with Networking: Restart your computer and enter Safe Mode. This will prevent PUP.MSIL.Bulz.KA from loading and give you a cleaner environment to perform the removal.
- Perform a Full Scan with a Reputable Tool: Use a reputable anti-malware tool, such as SpyHunter, to scan your system for PUP.MSIL.Bulz.KA and other potential threats. Ensure the tool is updated with the latest definitions before scanning.
- Uninstall Suspicious Programs: Go through the list of installed programs on your computer and uninstall any that you do not recognize or that were installed around the time you noticed the symptoms.
- Reset Your Browser Settings: For browsers like Chrome, Firefox, or Edge, reset the settings to their defaults. This can help remove any alterations made by PUP.MSIL.Bulz.KA, such as changed homepages or search engines.
- Reboot and Re-scan: After completing the above steps, restart your computer and perform another full scan with your anti-malware tool to ensure that all components of PUP.MSIL.Bulz.KA have been removed.
Conclusion
Removing PUP.MSIL.Bulz.KA requires careful steps to ensure that all its components are eliminated from your system. By following the removal guide and maintaining good computing practices, such as regularly updating your software and being cautious with downloads, you can protect your system from similar threats in the future. Remember, the presence of a PUP is a signal to review your system's security and take proactive measures to prevent more severe infections. Stay vigilant and ensure your system and personal data are protected.
Analysis Report
General information
| Family Name: | PUP.MSIL.Bulz.KA |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
7ec93c3272e615fffa87b13795e57a7b
SHA1:
a1047f6fc815e17a69e0721b09ab5799a3b069dc
SHA256:
F39A12E8FB9D76AC7D931DB4C6B4F29059A3612CC867A115EA2D859F6AD5A455
File Size:
182.27 KB, 182272 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have exports table
- File doesn't have security information
- File is .NET application
- File is 32-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)
- 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 |
|---|---|
| Assembly Version | 1.0.0.0 |
| File Description | Handler |
| File Version | 1.0.0.0 |
| Internal Name | Handler.exe |
| Legal Copyright | Copyright @ 2025 |
| Original Filename | Handler.exe |
| Product Name | Handler |
| Product Version | 1.0.0.0 |
File Traits
- .NET
- GenKrypt
- HighEntropy
- Reactor
- RijndaelManaged
- 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: | 57 |
|---|---|
| Potentially Malicious Blocks: | 2 |
| Whitelisted Blocks: | 49 |
| Unknown Blocks: | 6 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
Similar Families
Similar Families
This section lists other families that share similarities with this family, based on EnigmaSoft’s analysis. Many malware families are created from the same malware toolkits and use the same packing and encryption techniques but uniquely extend functionality. Similar families may also share source code, attributes, icons, subcomponents, compromised and/or invalid digital signatures, and network characteristics. Researchers leverage these similarities to rapidly and effectively triage file samples and extend malware detection rules.- MSIL.AgentTesla.DH
- MSIL.AgentTesla.LQ
- MSIL.AgentTesla.PH
- MSIL.Krypt.GJLD
- MSIL.Mardom.AJ
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- MSIL.Mardom.TJA
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 |
|---|---|---|
| HKCU\software\microsoft\windows\currentversion\internet settings\5.0\cache\content::cacheprefix | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\5.0\cache\cookies::cacheprefix | Cookie: | RegNtPreCreateKey |
| HKCU\software\microsoft\windows\currentversion\internet settings\5.0\cache\history::cacheprefix | Visited: | RegNtPreCreateKey |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet | RegNtPreCreateKey |
Show More
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect | 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 |
|---|---|
| User Data Access |
|
| Anti Debug |
|
| Encryption Used |
|
| Process Manipulation Evasion |
|
| Process Terminate |
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