Trojan.MSIL.AgentTesla.RGA
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: | 7 |
| First Seen: | July 12, 2025 |
| Last Seen: | January 10, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.AgentTesla.RGA indicates that your system has been compromised by a malicious program. This type of threat is designed to infiltrate your system without your knowledge or consent, and it can cause a range of problems, from stealing sensitive information to disrupting your system's performance. In this report, we will provide you with information about what Trojan.MSIL.AgentTesla.RGA is, how it operates, the symptoms of infection, and most importantly, how to remove it from your system.
Table of Contents
What Is Trojan.MSIL.AgentTesla.RGA?
Trojan.MSIL.AgentTesla.RGA is a type of Trojan horse malware. Trojan horses are malicious programs that disguise themselves as legitimate software, but in reality, they are designed to cause harm to your system. The name Trojan.MSIL.AgentTesla.RGA suggests that it is a Trojan-type threat, but it does not provide specific information about its functionality or the malware family it belongs to. It is essential to understand that Trojans can be highly versatile, allowing them to perform a variety of malicious actions once they have infiltrated a system.
How Trojan.MSIL.AgentTesla.RGA Operates
Although the exact operational details of Trojan.MSIL.AgentTesla.RGA are not specified, Trojans generally operate by exploiting vulnerabilities in software or tricking users into installing them. Once installed, they can create backdoors, allowing remote access to the infected system. This access can be used for various malicious purposes, including data theft, installation of additional malware, or using the system as part of a botnet for distributed denial-of-service (DDoS) attacks or spamming. The ability of Trojans to remain hidden and the variety of actions they can perform make them particularly dangerous.
Symptoms of Infection
Systems infected with Trojan.MSIL.AgentTesla.RGA or similar malware may exhibit a range of symptoms. These can include unexpected system crashes, slow performance, unfamiliar programs or icons, unexpected changes to system settings, and pop-ups or other unwanted advertisements. In some cases, the infection may not display obvious symptoms, making it difficult for users to detect without the aid of security software. Regular monitoring of system performance and behavior can help in early detection of such threats.
How to Remove Trojan.MSIL.AgentTesla.RGA
- Boot your system into Safe Mode with Networking. This will limit the malware's ability to interfere with the removal process and allow you to download necessary tools.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated with the latest definitions to increase the chances of detecting and removing the malware.
- Uninstall any suspicious programs that you do not recognize or that were installed around the time the malware was detected. Be cautious and only remove programs you are sure are not necessary for your system's operation.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help remove any malicious extensions or settings changes made by the malware.
- Reboot your system and perform another full scan with your anti-malware tool to ensure that all components of the malware have been removed. Repeat this process until no more threats are detected.
Conclusion
Removing Trojan.MSIL.AgentTesla.RGA from your system requires careful and methodical steps to ensure all components of the malware are eliminated. It is crucial to use reputable security software and follow best practices for system security to prevent future infections. Keeping your operating system, software, and security tools up to date, avoiding suspicious downloads, and being cautious with email attachments and links can significantly reduce the risk of malware infections. Remember, vigilance and proactive measures are key to maintaining system security and protecting your data.
Analysis Report
General information
| Family Name: | Trojan.MSIL.AgentTesla.RGA |
|---|---|
| Signature status: | Self Signed |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
d50ddba3bcbba88e0fda7477704d9ff3
SHA1:
505e87048aecb45bef961845ab64607ba0de9659
SHA256:
29DAC151FFDD656E37BAD80B61868A6D66FDDC35E38EC866CF5177A0EF66B4FD
File Size:
4.99 MB, 4987944 bytes
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MD5:
6ea63e7786d59e740722358a70bdd10d
SHA1:
c5bd713c64c4a56c82a8a4fb62b993a433c267ec
SHA256:
2E406343CFDE030E4BCEC8C8C11A48BB8385E054F2413FD3270B9A5FF4DBF5EA
File Size:
4.16 MB, 4158504 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- 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 |
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| Comments | Компактный чат для стриминга. |
| File Description | MiniChat |
| File Version |
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| Internal Name | MiniChat.exe |
| Legal Copyright |
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| Original Filename | MiniChat.exe |
| Product Name | MiniChat |
| Product Version |
|
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 |
|---|---|---|
| MegaXa | MegaXa | Self Signed |
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: | 4,890 |
|---|---|
| Potentially Malicious Blocks: | 1,101 |
| Whitelisted Blocks: | 3,789 |
| Unknown Blocks: | 0 |
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.AgentTesla.RGA
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\temp\costura\5439b1aab3959fb09730968bda77774b\32\microsoft.web.webview2.core.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\costura\5439b1aab3959fb09730968bda77774b\32\microsoft.web.webview2.wpf.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\costura\5439b1aab3959fb09730968bda77774b\32\webview2loader.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\costura\9334811f760fc567cab929919d223346\32\microsoft.web.webview2.core.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\costura\9334811f760fc567cab929919d223346\32\microsoft.web.webview2.wpf.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\costura\9334811f760fc567cab929919d223346\32\webview2loader.dll | Generic Write,Read 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 |
|---|---|
| User Data Access |
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| Encryption Used |
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| Anti Debug |
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