Trojan.MSIL.Agent.COA
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: | 24 |
| First Seen: | December 14, 2022 |
| Last Seen: | November 20, 2025 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Agent.COA indicates that your system has been compromised by a malicious program. This type of threat is designed to infiltrate your computer and potentially cause harm to your data, privacy, and overall system security. It is essential to take immediate action to remove the threat and prevent further damage.
Table of Contents
What Is Trojan.MSIL.Agent.COA?
Trojan.MSIL.Agent.COA is a type of Trojan horse malware, which is a broad category of malicious software that disguises itself as legitimate programs. The name "Trojan" refers to the fact that this type of malware often infiltrates systems by masquerading as a harmless or useful application. The ".MSIL" part of the name suggests that the malware is written in Microsoft Intermediate Language, which is a programming language used by the .NET framework. The ".Agent.COA" part of the name may indicate that the malware is designed to operate as a covert agent, potentially allowing unauthorized access to the infected system.
How Trojan.MSIL.Agent.COA Operates
Trojan.MSIL.Agent.COA, like other Trojans, operates by exploiting vulnerabilities in the system or by tricking users into installing it. Once installed, the malware can perform a variety of malicious activities, such as stealing sensitive information, installing additional malware, or providing unauthorized access to the system. The exact behavior of Trojan.MSIL.Agent.COA may vary, but its primary goal is to compromise the security and integrity of the infected system.
Symptoms of Infection
Systems infected with Trojan.MSIL.Agent.COA may exhibit a range of symptoms, including slow performance, frequent crashes, and unexpected behavior. Users may also notice suspicious activity, such as unfamiliar programs or processes running in the background, or unexpected changes to system settings. In some cases, the malware may attempt to communicate with its creators or other infected systems, which can lead to increased network activity and potential data breaches.
How to Remove Trojan.MSIL.Agent.COA
- Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for easier removal.
- Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and detect any malicious files or programs.
- Uninstall any suspicious programs or applications that may be related to the malware.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
- Reboot your system and perform another full scan to ensure that the malware has been completely removed.
Conclusion
Removing Trojan.MSIL.Agent.COA requires careful attention to detail and a thorough understanding of the malware's behavior. By following the steps outlined above and using reputable anti-malware tools, you can help to ensure the complete removal of the threat and prevent future infections. It is also essential to maintain good security practices, such as keeping your operating system and software up to date, using strong passwords, and being cautious when installing new programs or clicking on links from unknown sources. By taking these precautions, you can help to protect your system and data from the risks associated with Trojan.MSIL.Agent.COA and other types of malware.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Agent.COA |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
345049f7e1d9b5162e419337657594dd
SHA1:
0dec62339a4cff0f23d9df36725e8f265d6a0fa7
SHA256:
2F36E05E081A04819FE75550165130F0C4151F0BAE59021953FE5C6FB77BDC43
File Size:
65.02 KB, 65024 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 relocations information
- File doesn't have security information
- File is .NET application
- File is 64-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is not packed
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- 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 | 0.0.0.0 |
| File Version | 0.0.0.0 |
| Internal Name | Client.exe |
| Original Filename | Client.exe |
| Product Version | 0.0.0.0 |
File Traits
- .NET
- HighEntropy
- ntdll
- x64
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: | 22 |
|---|---|
| Potentially Malicious Blocks: | 17 |
| Whitelisted Blocks: | 4 |
| Unknown Blocks: | 1 |
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.Agent.COA
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:\users\user\appdata\local\0dec62339a4cff0f23d9df36725e8f265d6a0fa7_0000065024 | Generic Write,Read Attributes |
| c:\users\user\appdata\local\0dec62339a4cff0f23d9df36725e8f265d6a0fa7_0000065024 | Synchronize,Write Attributes |
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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| Anti Debug |
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