Adware.Mirar.B
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: | 2 |
| First Seen: | January 25, 2023 |
| Last Seen: | October 24, 2025 |
| OS(es) Affected: | Windows |
The detection of Adware.Mirar.B on your system indicates the presence of potentially unwanted software that may be compromising your online security and experience. This report aims to provide you with a comprehensive understanding of the threat, its operations, symptoms, and most importantly, steps to remove it from your computer.
Table of Contents
What Is Adware.Mirar.B?
Adware.Mirar.B is identified as an adware program, which is a type of software designed to display unwanted advertisements on your computer, often in the form of pop-ups, banners, or sponsored content within websites. Adware can be particularly frustrating as it not only disrupts your browsing experience but can also pose a risk to your privacy and system security by potentially tracking your online activities or distributing more malicious software.
How Adware.Mirar.B Operates
Adware programs like Adware.Mirar.B typically operate by infiltrating your system through various means, such as bundled software downloads, deceptive advertisements, or exploits in software vulnerabilities. Once installed, they can modify your browser settings, install additional software without your consent, and collect data about your browsing habits. This collected data can be used to tailor advertisements to your interests, making them more appealing but also more invasive.
It's crucial to understand that while adware itself may not be as directly harmful as other types of malware, such as viruses or trojans, it can still significantly impact your system's performance and your personal privacy. Moreover, adware can sometimes serve as a vector for more severe threats, making its removal essential for maintaining system security.
Symptoms of Infection
Symptoms of an adware infection can vary but commonly include an increase in unwanted advertisements, changes to your browser's homepage or search engine without your consent, and the installation of unknown software. Your browser may also become slower, and you might experience an increase in pop-ups or new tabs opening unexpectedly. In some cases, adware can lead to more system instability or crashes.
How to Remove Adware.Mirar.B
- Enter Safe Mode with Networking to prevent the adware from interfering with the removal process. This mode allows you to use the internet to download necessary tools while limiting the software that starts up with your computer.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated to the latest version to increase the chances of detecting and removing the adware successfully.
- Uninstall suspicious programs from your computer. Go through the list of installed programs and remove any that you don't recognize or that were installed around the time your adware issues began.
- Reset your browsers to their default settings. This can typically be done through the settings or options menu in browsers like Chrome, Firefox, or Edge. Resetting your browser will remove changes made by the adware, such as altered homepages or search engines.
- Finally, reboot your computer and perform another scan with your anti-malware tool to ensure that all components of the adware have been removed. This step is crucial as some adware can reinstall itself if all parts are not eliminated.
Conclusion
Removing Adware.Mirar.B from your system requires a combination of using the right tools, understanding how adware operates, and taking proactive steps to secure your computer and browsing experience. By following the steps outlined in this report and maintaining vigilance in your online activities, you can significantly reduce the risk of future infections and keep your system secure. Regularly updating your software, being cautious with downloads, and using reputable security software are key practices in protecting against adware and other types of malware.
Analysis Report
General information
| Family Name: | Adware.Mirar.B |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
fd9fc9115c4fffba49ec5dd5f76fc680
SHA1:
9b52c9cba33cceed940c5b145b59a6b851411537
SHA256:
1E8D7D8154337A70D2F18C9B57CDD5EA64C80F96124799AF42B31E89EED276A0
File Size:
1.18 MB, 1175552 bytes
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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 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)
File Traits
- dll
- 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: | 2,900 |
|---|---|
| Potentially Malicious Blocks: | 274 |
| Whitelisted Blocks: | 2,593 |
| Unknown Blocks: | 33 |
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:\windows\syswow64\0e78.dll | 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 |
|---|---|---|
| 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 | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect | RegNtPreCreateKey | |
| 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 |
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| HKCU\software\microsoft\windows\currentversion\internet settings\5.0\cache\history::cacheprefix | Visited: | RegNtPreCreateKey |
| HKCU\software\microsoft\internet explorer\gpu::adapterinfo | vendorId="0x1414",deviceID="0x8c",subSysID="0x0",revision="0x0",version="10.0.19041.3570"hypervisor="Hypervisor detected (Micros | 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 |
|---|---|
| Other Suspicious |
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| Process Shell Execute |
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| Anti Debug |
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| User Data Access |
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| Keyboard Access |
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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.
mshta.exe http://www.grooveshark.com/
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open regsvr32 /s C:\WINDOWS\system32\0e78.dll
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