Trojan.MSIL.AgentTesla.LV
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: | 5 |
| First Seen: | July 27, 2025 |
| Last Seen: | October 6, 2025 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.AgentTesla.LV on your system indicates a potential security threat. This report aims to provide you with general guidance on understanding and removing the detected threat. It's essential to approach this situation with caution and follow the recommended steps to ensure the security and integrity of your system.
Table of Contents
What Is Trojan.MSIL.AgentTesla.LV?
Trojan.MSIL.AgentTesla.LV is identified as a Trojan-type threat, which typically refers to a broad category of malicious software designed to allow unauthorized access to a computer system. The name itself does not specify a known malware family but indicates it's written in MSIL (Microsoft Intermediate Language), suggesting it's designed to run on Windows platforms. Trojans can be used for various malicious purposes, including data theft, spyware, and ransomware distribution. Understanding the nature of the threat is crucial for taking appropriate action.
How Trojan.MSIL.AgentTesla.LV Operates
Trojan-type threats like Trojan.MSIL.AgentTesla.LV often operate by disguising themselves as legitimate software or attaching to legitimate programs to gain entry into a system. Once inside, they can create backdoors for remote access, allowing attackers to steal sensitive information, install additional malware, or use the compromised system for malicious activities. The specific operations of Trojan.MSIL.AgentTesla.LV would depend on its intended purpose and the commands it receives from its controllers.
Symptoms of Infection
Systems infected with Trojan.MSIL.AgentTesla.LV or similar threats may exhibit a range of symptoms, though some infections may remain asymptomatic until significant damage is done. Common indicators of a Trojan infection include unusual system behavior, such as slow performance, frequent crashes, or pop-ups and unwanted programs appearing. Additionally, if your antivirus software is disabled without your consent or if you notice unauthorized access or changes to your system settings, these could be signs of a Trojan infection.
How to Remove Trojan.MSIL.AgentTesla.LV
- Enter Safe Mode with Networking: This will limit the malware's ability to run and make it easier to remove. Restart your computer and press the key to enter the boot menu (usually F8, F12, or Del), then select Safe Mode with Networking.
- Perform a Full Scan: Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. Ensure your antivirus and anti-malware software are up-to-date before scanning.
- Uninstall Suspicious Programs: Go through your installed programs and uninstall any that you don't recognize or that were installed around the time you suspect the infection occurred.
- Reset Your Browser: If your browser (Chrome, Firefox, Edge, etc.) has been affected, resetting it to its default settings can help remove unwanted extensions and settings changes. You can find this option in your browser's settings or preferences section.
- Reboot and Re-scan: After taking the above steps, reboot your computer in normal mode and perform another full scan with your anti-malware software to ensure no remnants of the malware remain.
Conclusion
Removing Trojan.MSIL.AgentTesla.LV requires careful and systematic steps to ensure the malware is completely eradicated from your system. It's crucial to stay vigilant and keep your system and security software updated to prevent future infections. Regular backups of important data and using strong, unique passwords can also help protect against the potential damage caused by malware. If you're unsure about any part of the removal process, consider seeking help from a professional to ensure your system's security and integrity are fully restored.
Analysis Report
General information
| Family Name: | Trojan.MSIL.AgentTesla.LV |
|---|---|
| Signature status: | Hash Mismatch |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
d3df2341eaa36373ce4c4db53253f09c
SHA1:
97519de31334454054c9450f6695535fa846859e
SHA256:
84A2E4DF0257B773B6040CF7C1113FE6C2D1B8EFC020C3250F45B312785328D6
File Size:
6.34 MB, 6344576 bytes
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MD5:
aada13f14ef0279d8f6f4c92878e2745
SHA1:
c46e19da0b6ab74f409099e0f66504d4ef2f9737
SHA256:
7955BC63A4078670D1C2ED381C21A7239F01A0CE93F23ABD986D634F50B21ABB
File Size:
6.27 MB, 6271360 bytes
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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 |
|---|---|
| Company Name | SIL International |
| File Description | Keyman Browser Host Process |
| File Version | 18.0.240.0 |
| Internal Name | KMBROWSERHOST |
| Legal Copyright | © SIL International |
| Legal Trademarks | Keyman is a registered trademark in Australia |
| Original Filename | KMBROWSERHOST.EXE |
| Product Name | Keyman |
| Product Version | 18.0.240.0 |
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 |
|---|---|---|
| SUMMER INSTITUTE OF LINGUISTICS, INC. | Sectigo Public Code Signing Root R46 | Hash Mismatch |
File Traits
- .NET
- NewLateBinding
- 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: | 522 |
|---|---|
| Potentially Malicious Blocks: | 287 |
| Whitelisted Blocks: | 235 |
| 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.LV
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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| Anti Debug |
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| Encryption Used |
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| Other Suspicious |
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