Adware.MSIL.OpenSUpdater.A
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: | 2,921 |
| Threat Level: | 20 % (Normal) |
| Infected Computers: | 10,444 |
| First Seen: | January 3, 2013 |
| Last Seen: | July 20, 2026 |
| OS(es) Affected: | Windows |
The detection of Adware.MSIL.OpenSUpdater.A on your system indicates the presence of a potentially unwanted program that may be exhibiting behaviors designed to deliver unwanted advertisements or collect user data without consent. Understanding the nature of this threat and taking appropriate steps to remove it is crucial to maintaining the security and integrity of your computer.
Table of Contents
What Is Adware.MSIL.OpenSUpdater.A?
Adware.MSIL.OpenSUpdater.A refers to a type of adware, which is software designed to force ads onto your computer, often in the form of pop-ups, banners, or other intrusive forms of advertising. Adware can significantly degrade the user experience and, in some cases, may collect personal data or lead to more severe security issues. The term "MSIL" suggests that this adware is written in Microsoft Intermediate Language, which is a part of the.NET Framework, allowing it to run on systems that support this framework.
How Adware.MSIL.OpenSUpdater.A Operates
Adware like Adware.MSIL.OpenSUpdater.A typically operates by infiltrating a system through various means, such as bundled software installations, deceptive downloads, or exploiting vulnerabilities in software. Once installed, it may alter browser settings, install additional software, or run processes in the background to display advertisements or collect data. The adware may communicate with its command and control servers to report its activities or receive updates and new advertising content.
Symptoms of Infection
Symptoms of an Adware.MSIL.OpenSUpdater.A infection can include an increase in unwanted advertisements appearing on your computer, unexpected changes to your browser's homepage or search engine, the installation of unknown or unwanted software, and overall system slowdown due to background processes consuming system resources. In some cases, you might notice that your browser settings keep changing back to their altered state even after you try to change them, indicating that the adware is actively working to maintain its presence on your system.
How to Remove Adware.MSIL.OpenSUpdater.A
- Boot your computer into Safe Mode with Networking to limit the adware's ability to interfere with the removal process. This mode allows you to use the internet to download necessary removal tools while minimizing the risk of the adware spreading or reinstalling itself.
- 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. Ensure your anti-malware software is up-to-date to maximize its effectiveness against the latest threats.
- Uninstall any suspicious programs that you do not recognize or that were installed around the time you first noticed the symptoms of the adware infection. Be cautious and only uninstall programs you are certain are not necessary for your system's operation.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any changes made by the adware, such as altered homepages or search engines. This step is crucial in ensuring that the adware does not continue to manipulate your browsing experience.
- After completing the above steps, reboot your computer and perform another full scan with your anti-malware tool to ensure that all remnants of the adware have been removed. This final scan helps confirm that your system is clean and reduces the risk of reinfection.
Conclusion
Removing Adware.MSIL.OpenSUpdater.A from your system requires a combination of using the right tools, understanding how adware operates, and taking proactive steps to secure your computer against future infections. By following the removal steps outlined above and maintaining vigilance in your online activities, you can protect your system from similar threats and ensure a safer, more secure computing environment. Regularly updating your software, being cautious with downloads, and using reputable security software are key practices in preventing adware and other types of malware infections.
SpyHunter Detects & Remove Adware.MSIL.OpenSUpdater.A
Directories
Adware.MSIL.OpenSUpdater.A may create the following directory or directories:
| %programfiles%\AlructisitApplication |
Analysis Report
General information
| Family Name: | Adware.MSIL.OpenSUpdater.A |
|---|---|
| Signature status: | Root Not Trusted |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
a585a4d69b4fd51c60cae0594a6d19cb
SHA1:
c01f21fc1b67efa1d13d1c0e98566b6eda8c7862
SHA256:
EB5F928D32D817352C99AC5B0310E6592352C4056BDDB0AF25AFB129D9EDA6F2
File Size:
8.13 MB, 8128696 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have exports table
- 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)
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 | 1.0.0.1 |
| Company Name | Thundersea Soln |
| File Description | Thundersea |
| File Version | 1.0.0.1 |
| Internal Name | OneUpdater.exe |
| Legal Copyright | Thundersea Soln 2021 © |
| Original Filename | OneUpdater.exe |
| Product Name | Thundersea |
| Product Version | 1.0.0.1 |
Digital Signatures
Digital Signatures
This section lists digital signatures that are attached to samples within this family. When analyzing and verifying digital signatures, it is important to confirm that the signature’s root authority is a well-known and trustworthy entity and that the status of the signature is good. Malware is often signed with non-trustworthy “Self Signed” digital signatures (which can be easily created by a malware author with no verification). Malware may also be signed by legitimate signatures that have an invalid status, and by signatures from questionable root authorities with fake or misleading “Signer” names.| Signer | Root | Status |
|---|---|---|
| ThunderseaSoln | ThunderseaSoln | Root Not Trusted |
File Traits
- .NET
- 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: | 211 |
|---|---|
| Potentially Malicious Blocks: | 69 |
| Whitelisted Blocks: | 119 |
| Unknown Blocks: | 23 |
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.OpenSUpdater.A
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 |
Show More
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| User Data Access |
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| Anti Debug |
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| Encryption Used |
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