Backdoor.MSIL.AgentTesla.LQ
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: | 60 % (Medium) |
| Infected Computers: | 29 |
| First Seen: | January 17, 2025 |
| Last Seen: | December 12, 2025 |
| OS(es) Affected: | Windows |
The detection of Backdoor.MSIL.AgentTesla.LQ on your system indicates a serious security threat that requires immediate attention. This backdoor threat can potentially allow unauthorized access to your computer, compromising your personal data and security. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future infections.
Table of Contents
What Is Backdoor.MSIL.AgentTesla.LQ?
Backdoor.MSIL.AgentTesla.LQ is a type of malware that operates as a backdoor, allowing unauthorized access to a compromised computer. The term "backdoor" refers to a method of bypassing normal security mechanisms to gain access to a computer system. This type of malware can be particularly dangerous as it can allow hackers to remotely control the infected computer, steal sensitive information, or use the computer for malicious activities without the user's knowledge.
How Backdoor.MSIL.AgentTesla.LQ Operates
Backdoor.MSIL.AgentTesla.LQ, like other backdoor malware, is designed to remain stealthy and evade detection. Once installed on a system, it can create a covert communication channel with its command and control server, allowing hackers to send commands and receive stolen data. This malware can exploit vulnerabilities in software or use social engineering tactics to trick users into installing it. Its primary goal is to provide unauthorized access to the compromised system, which can lead to a range of malicious activities, including data theft, keystroke logging, and the distribution of additional malware.
Symptoms of Infection
Symptoms of a Backdoor.MSIL.AgentTesla.LQ infection can be subtle and may not always be immediately apparent. However, signs of infection can include unusual network activity, slow system performance, unexpected changes to system settings, and the appearance of unfamiliar programs or files. Users may also notice that their computer is behaving erratically, such as restarting unexpectedly or displaying unusual error messages. Given the stealthy nature of backdoor malware, some infections may not exhibit noticeable symptoms, making regular system monitoring and antivirus scans crucial for detection.
How to Remove Backdoor.MSIL.AgentTesla.LQ
- Enter Safe Mode with Networking to prevent the malware from interfering with the removal process. This mode allows you to use the internet to download necessary tools while limiting the malware's ability to operate.
- Perform a full scan of your system using a reputable antivirus tool, such as SpyHunter, to detect and remove all components of the malware. Ensure your antivirus software 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 certain are not essential to your system's operation.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or settings changes made by the malware.
- After completing the above steps, reboot your computer and perform another full scan with your antivirus software to ensure that all components of the malware have been removed.
Conclusion
The removal of Backdoor.MSIL.AgentTesla.LQ requires careful and immediate action to prevent further damage to your system and protect your personal data. By following the steps outlined above and maintaining good security practices, such as regularly updating your operating system and software, using strong antivirus protection, and being cautious with emails and downloads, you can significantly reduce the risk of future malware infections. Remember, vigilance and proactive security measures are key to safeguarding your digital security in today's evolving threat landscape.
Analysis Report
General information
| Family Name: | Backdoor.MSIL.AgentTesla.LQ |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
364db06cfa5fe896d0bb9f382f0c53cb
SHA1:
e4a6c9b1f3756b88a3c983fb0863d83cf5749d76
File Size:
2.62 MB, 2617856 bytes
|
|
MD5:
a2817ee1fbedc611673ea7940a0a7430
SHA1:
a6890a179d35b1e62532d4258298f0d127effcbf
File Size:
838.14 KB, 838144 bytes
|
|
MD5:
bf484490066b15c8364b4920167ae305
SHA1:
f947c8448fd22157e0e9f0525458e42b9f6d4a6b
SHA256:
4A90FA64CBA5B0302A77896713598314D920D46019B6FE0634257EE6E6F101C3
File Size:
372.74 KB, 372736 bytes
|
|
MD5:
1d9efbf5c60af815035913543a425d52
SHA1:
29b2196314b13f6b846fc98b58f90a40c1191991
SHA256:
56EE593F5A874A019500E4102D7F958FC8244A07365B86C4871C007E322155FD
File Size:
554.82 KB, 554816 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- 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)
- 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 Description |
|
| File Version | 1.0.0.0 |
| Internal Name |
|
| Legal Copyright | Copyright © 2025 |
| Original Filename |
|
| Product Name |
|
| Product Version | 1.0.0.0 |
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 |
|---|---|---|
| Microsoft Corporation | Microsoft Code Signing PCA 2010 | Hash Mismatch |
| Microsoft Corporation | Microsoft Code Signing PCA 2011 | Hash Mismatch |
File Traits
- .NET
- GenKrypt
- HighEntropy
- No Version Info
- Reactor
- 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: | 501 |
|---|---|
| Potentially Malicious Blocks: | 9 |
| Whitelisted Blocks: | 268 |
| Unknown Blocks: | 224 |
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.LQ
- MSIL.Bulz.KA
- MSIL.Downloader.PFA
- MSIL.Krypt.EDCRA
- MSIL.Krypt.EDCRC
Show More
- MSIL.Krypt.MJK
- MSIL.Mardom.AJ
- MSIL.Mardom.JA
- MSIL.Mardom.JG
- MSIL.Stealer.LK
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\locallow\microsoft\cryptneturlcache\content\fee33ce020c970ea56929081c2d05808 | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\locallow\microsoft\cryptneturlcache\metadata\fee33ce020c970ea56929081c2d05808 | Generic Read,Write Data,Write Attributes,Write extended,Append data |
Registry Modifications
Registry Modifications
This section lists registry keys and values that were created, modified and/or deleted by samples in this family. Windows Registry activity can provide valuable insight into malware functionality. Additionally, malware often creates registry values to allow itself to automatically start and indefinitely persist after an initial infection has compromised the system.| Key::Value | Data | API Name |
|---|---|---|
| HKCU\software\microsoft\systemcertificates\ca\certificates\be68d0adaa2345b48e507320b695d386080e5b25::blob | �hЭ�#E��Ps ��ӆ[% ;p�S�v%�`��fƛ�oTj �ӂA�G g\`f�� 0 b��ܣ��m;�r&m D̟[�]� 7��qd���b� I[ �] n\;W ˋY�WP� �' ��V\ ý5I�"Z��74���� � 0��0��� �n | RegNtPreCreateKey |
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 |
|
| Process Terminate |
|
| Network Winsock |
|
| Encryption Used |
|
