Adware.MSIL.OpenSUpdater.HA
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: | 20 % (Normal) |
| Infected Computers: | 1 |
| First Seen: | March 26, 2025 |
| Last Seen: | September 8, 2025 |
| OS(es) Affected: | Windows |
The detection of Adware.MSIL.OpenSUpdater.HA on your system indicates the presence of a potentially unwanted program that may be displaying unwanted advertisements, collecting user data, or performing other malicious activities. It is essential to understand the nature of this threat and take immediate action to remove it from your system to prevent further damage.
Table of Contents
What Is Adware.MSIL.OpenSUpdater.HA?
Adware.MSIL.OpenSUpdater.HA is a type of adware program that is designed to display unwanted advertisements, collect user data, and potentially perform other malicious activities on an infected system. The name itself does not provide specific information about the malware family, but it suggests that it is a type of adware that uses Microsoft Intermediate Language (MSIL) and may be related to an updater component.
How Adware.MSIL.OpenSUpdater.HA Operates
Adware programs like Adware.MSIL.OpenSUpdater.HA typically operate by infiltrating a system through various means, such as exploited vulnerabilities, drive-by downloads, or social engineering tactics. Once installed, they can display unwanted advertisements, collect user data, and potentially install additional malware or unwanted programs. They may also modify system settings, registry entries, and browser configurations to achieve their goals.
These programs often use various techniques to evade detection, such as code obfuscation, anti-debugging, and sandbox evasion. They may also use legitimate system processes and services to disguise their malicious activities, making them more challenging to detect and remove.
Symptoms of Infection
The symptoms of an Adware.MSIL.OpenSUpdater.HA infection can vary, but common signs include unwanted advertisements, pop-ups, and browser redirects. You may also notice slower system performance, increased CPU usage, and unusual network activity. Additionally, you may find unfamiliar programs or toolbars installed on your system, or notice that your browser settings have been modified without your consent.
- Unwanted advertisements and pop-ups
- Browser redirects and modified search results
- Slower system performance and increased CPU usage
- Unusual network activity and unfamiliar programs or toolbars
- Modified browser settings and system configurations
How to Remove Adware.MSIL.OpenSUpdater.HA
- Boot your system in Safe Mode with Networking to prevent the adware from loading and to allow for a more effective removal process.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all components of the adware.
- Uninstall any suspicious programs or toolbars that you do not recognize or that were installed without your consent.
- Reset your browser settings to their default values, including Google Chrome, Mozilla Firefox, and Microsoft Edge, to remove any modifications made by the adware.
- Reboot your system and perform another scan to ensure that all components of the adware have been removed and that your system is clean.
Conclusion
Removing Adware.MSIL.OpenSUpdater.HA from your system requires a combination of technical knowledge and the right tools. By following the steps outlined above and using a reputable anti-malware program, you can effectively remove this unwanted program and prevent further damage to your system. It is essential to remain vigilant and take proactive measures to protect your system from similar threats in the future, such as keeping your operating system and software up to date, using strong antivirus software, and avoiding suspicious downloads and links.
Analysis Report
General information
| Family Name: | Adware.MSIL.OpenSUpdater.HA |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
38426d78877780b976102e21bb57916c
SHA1:
029ebad5915f9038637d42450e0b27cb2ebeb966
SHA256:
785D160C6BCDF44C9BC3938892B52E68D7F56984440C289B5C41E44F6EC4DFF7
File Size:
182.27 KB, 182272 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- 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)
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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 |
|---|---|
| Company Name | Microsoft Corporation |
| File Description | User OOBE Broker |
| File Version | 10.0.26100.3624 (WinBuild.160101.0800) |
| Internal Name | User OOBE Broker |
| Legal Copyright | © Microsoft Corporation. All rights reserved. |
| Original Filename | UserOOBEBroker.exe |
| Product Name | Microsoft® Windows® Operating System |
| Product Version | 10.0.26100.3624 |
File Traits
- .NET
- Confuser
- x86
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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| User Data Access |
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| Encryption Used |
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