Trojan.MSIL.AgentTesla.AH
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: | 18,709 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 10 |
| First Seen: | December 5, 2022 |
| Last Seen: | July 12, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.AgentTesla.AH on your system indicates a potential security threat that requires immediate attention. This detection name suggests a type of malicious software, but without more specific information, it's essential to approach removal and mitigation with general best practices for dealing with Trojan-type threats.
Table of Contents
What Is Trojan.MSIL.AgentTesla.AH?
Trojan.MSIL.AgentTesla.AH is identified as a Trojan-type threat, which typically refers to a broad category of malware that can perform a variety of malicious functions. Trojans are often disguised as legitimate software, allowing them to be installed on a system without the user's knowledge or consent. They can be used for various malicious purposes, including data theft, espionage, and the unauthorized control of the infected system.
How Trojan.MSIL.AgentTesla.AH Operates
While specific details about how Trojan.MSIL.AgentTesla.AH operates are not available, Trojans generally work by exploiting vulnerabilities in software or manipulating users into installing them. Once installed, they can communicate with their command and control servers to receive instructions, which might include stealing sensitive information, downloading additional malware, or using the infected system for malicious activities such as spamming or participating in distributed denial-of-service (DDoS) attacks.
Symptoms of Infection
Symptoms of a Trojan infection can vary widely depending on the specific goals of the malware. Common indicators include unexpected changes to system settings, unfamiliar programs or icons, slow system performance, frequent crashes, or unusual network activity. However, some Trojans are designed to operate stealthily, making them difficult to detect without the use of security software.
How to Remove Trojan.MSIL.AgentTesla.AH
- Enter Safe Mode with Networking to prevent the malware from loading and to allow for the use of the internet to download removal tools if necessary.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all traces of the malware. Ensure the tool is updated with the latest definitions before scanning.
- Uninstall 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, such as Chrome, Firefox, or Edge, to their default settings to remove any malicious extensions or settings changes made by the Trojan.
- After completing the above steps, reboot your system and then perform another full scan with your anti-malware tool to ensure that the system is clean.
Conclusion
Removing Trojan.MSIL.AgentTesla.AH requires a systematic approach to ensure that all components of the malware are eliminated from the system. By following the steps outlined above and maintaining good security practices, such as keeping software up to date, using strong antivirus protection, and being cautious with email attachments and downloads, you can help protect your system against future threats. Regularly backing up important data and being aware of the latest security threats can also contribute to a more secure computing environment.
Analysis Report
General information
| Family Name: | Trojan.MSIL.AgentTesla.AH |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
8241939fb00c1fee0584292e84789c13
SHA1:
0dcf8d9d1a8d0fc47298badce3a05a87348d69f2
SHA256:
1A067F89FDEE7053346DBC21EB27EBCA29D2389E712F80B2810D45FB183EA51E
File Size:
768.00 KB, 768000 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 | Huyedsayu.exe |
| Original Filename | Huyedsayu.exe |
| Product Version | 1.0.0.0 |
File Traits
- .NET
- HighEntropy
- NewLateBinding
- RijndaelManaged
- 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: | 730 |
|---|---|
| Potentially Malicious Blocks: | 160 |
| Whitelisted Blocks: | 565 |
| Unknown Blocks: | 5 |
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.XO
- MSIL.AgentTesla.AH
- MSIL.Krypt.YAGO
- MSIL.Krypt.YAGR
- MSIL.Krypt.YAGT
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- MSIL.Krypt.YAGV
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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| Other Suspicious |
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| Anti Debug |
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| Process Manipulation Evasion |
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