Trojan.MSIL.Spy.Agent.JA
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: | 80 % (High) |
| Infected Computers: | 23 |
| First Seen: | March 3, 2023 |
| Last Seen: | September 12, 2025 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Spy.Agent.JA on your system indicates a potential security threat. This detection name suggests that the malware is a type of Trojan, which is a broad category of malicious software that can perform a variety of harmful actions. The ".MSIL" part of the name indicates that the malware is written in Microsoft Intermediate Language, which is a programming language used by the .NET Framework. The ".Spy.Agent.JA" part of the name suggests that the malware may be related to spyware, which is a type of malware that is designed to gather sensitive information about the user or their system.
Table of Contents
What Is Trojan.MSIL.Spy.Agent.JA?
Trojan.MSIL.Spy.Agent.JA is a type of malicious software that can infect your system and perform a variety of harmful actions. The exact nature of this malware is not well understood, but it is believed to be a type of spyware that is designed to gather sensitive information about the user or their system. This information can include personal data, such as login credentials, credit card numbers, and other sensitive information. The malware may also be able to monitor the user's activity, such as their browsing history and keystrokes.
How Trojan.MSIL.Spy.Agent.JA Operates
Trojan.MSIL.Spy.Agent.JA is likely to operate by exploiting vulnerabilities in the system or by using social engineering tactics to trick the user into installing the malware. Once installed, the malware can begin to gather sensitive information about the user or their system. This information can be transmitted back to the malware's creators, who can use it for a variety of malicious purposes. The malware may also be able to install additional malware or software on the system, which can further compromise the user's security.
Symptoms of Infection
The symptoms of a Trojan.MSIL.Spy.Agent.JA infection can vary, but they may include slow system performance, unexpected pop-ups or ads, and unfamiliar programs or icons on the system. The user may also notice that their personal data is being stolen or that their system is being used for malicious activities. In some cases, the malware may not exhibit any noticeable symptoms, which can make it difficult to detect.
How to Remove Trojan.MSIL.Spy.Agent.JA
- Boot your system into Safe Mode with Networking to prevent the malware from loading and to allow you to download and install removal tools.
- Download and install a reputable anti-malware tool, such as SpyHunter, and perform a full scan of your system to detect and remove the malware.
- Uninstall any suspicious programs or software that may be related to the malware.
- Reset your web browsers, such as Chrome, Firefox, or Edge, to their default settings to remove any malicious extensions or add-ons.
- Reboot your system and perform another scan with your anti-malware tool to ensure that the malware has been completely removed.
Conclusion
The removal of Trojan.MSIL.Spy.Agent.JA requires careful attention to detail and a thorough understanding of the malware's behavior. By following the steps outlined above, you can help to ensure that the malware is completely removed from your system and that your personal data is protected. It is also important to take steps to prevent future infections, such as keeping your operating system and software up to date, using strong antivirus software, and being cautious when opening email attachments or downloading software from the internet.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Spy.Agent.JA |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
9308b5dc703060b08f2a7a25af923095
SHA1:
1322d51ace1f111a18b12a149af9adbe5e3b6ba3
SHA256:
6A1F394DB151CF3B1366C7894F3E18E2E7D23DC8E239AB1BFD9B518479BD5C5F
File Size:
83.46 KB, 83456 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 |
|---|---|
| Assembly Version | 1.0.0.0 |
| File Version | 1.0.0.0 |
| Internal Name | Stub.exe |
| Legal Copyright | Copyright © 2021 |
| Original Filename | Stub.exe |
| Product Version | 1.0.0.0 |
File Traits
- .NET
- CryptUnprotectData
- NewLateBinding
- No CryptProtectData
- 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: | 149 |
|---|---|
| Potentially Malicious Blocks: | 42 |
| Whitelisted Blocks: | 27 |
| Unknown Blocks: | 80 |
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 |
|---|---|
| User Data Access |
|
| Anti Debug |
|
| Network Winsock2 |
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| Network Winsock |
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