Trojan.MSIL.Downloader.Small.H
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: | June 12, 2021 |
| Last Seen: | October 24, 2025 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Downloader.Small.H indicates that your system has been compromised by a potentially malicious program. This type of threat is designed to download and install additional malware onto your computer, which can lead to a range of problems, including data theft, system crashes, and unauthorized access to your personal information. It is essential to take immediate action to remove this threat and prevent further damage to your system.
Table of Contents
What Is Trojan.MSIL.Downloader.Small.H?
Trojan.MSIL.Downloader.Small.H is a type of Trojan horse malware that is designed to download and install additional malware onto your computer. The name "Trojan.MSIL" suggests that this malware is written in Microsoft Intermediate Language (MSIL), which is a programming language used by the .NET Framework. The "Downloader" part of the name indicates that this malware is capable of downloading additional files from the internet, while "Small.H" may refer to the size or type of the malware. However, without more information, it is difficult to determine the exact nature of this threat.
How Trojan.MSIL.Downloader.Small.H Operates
Trojan.MSIL.Downloader.Small.H is likely to operate by exploiting vulnerabilities in your system or by tricking you into installing it. Once installed, it may download and install additional malware, including viruses, spyware, and adware. This malware may also attempt to connect to remote servers to receive instructions or upload stolen data. The exact operation of Trojan.MSIL.Downloader.Small.H will depend on its specific design and purpose, but it is clear that it poses a significant threat to your system and personal data.
Symptoms of Infection
The symptoms of a Trojan.MSIL.Downloader.Small.H infection can vary, but common signs include slow system performance, unexpected pop-ups or ads, and unfamiliar programs or icons on your desktop. You may also notice that your browser homepage has changed or that you are being redirected to unfamiliar websites. In some cases, you may not notice any symptoms at all, which is why it is essential to run regular virus scans and monitor your system for suspicious activity.
- Slow system performance
- Unexpected pop-ups or ads
- Unfamiliar programs or icons on your desktop
- Changes to your browser homepage or settings
- Redirects to unfamiliar websites
How to Remove Trojan.MSIL.Downloader.Small.H
- Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow you to download and install removal tools.
- Download and install a reputable anti-malware tool, such as SpyHunter, and run a full scan of your system to detect and remove the malware.
- Uninstall any suspicious programs or applications that you do not recognize or that were installed without your knowledge or consent.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
- Reboot your computer and run another scan with your anti-malware tool to ensure that the malware has been completely removed.
Conclusion
The removal of Trojan.MSIL.Downloader.Small.H requires immediate attention to prevent further damage to your system and personal data. By following the steps outlined above, you can help to ensure that your system is clean and secure. However, it is also essential to take steps to prevent future infections, including keeping your operating system and software up to date, using strong antivirus software, and being cautious when opening email attachments or downloading files from the internet. Remember, prevention is key to protecting your system and personal data from malicious threats like Trojan.MSIL.Downloader.Small.H.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Downloader.Small.H |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
5dabcaf06a4cfe49391a4b9a2f2c6379
SHA1:
bc10fea9c89963dcf0999bb3477d3253d099478f
SHA256:
17538830206C6B90342BCB722C96DD8AE198AD72CD5F0BA6B0EACCA209B38286
File Size:
180.22 KB, 180224 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)
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 | 7.9.8.2 |
| Company Name | XG0PQ9B57q1b588c7g35w83U6iWv2eL2W |
| File Description | UTJ8pH2KphHFSY2AyBwOrlMiweD4 |
| File Version | 2.8.3.7 |
| Internal Name | D:\Software & Daten\Tools\_CLIENT\Downloader\25.09.2016\1.exe |
| Legal Copyright | Jua213kCNU2hwl1711W2qrXU3t1DGQnUaha |
| Original Filename | D:\Software & Daten\Tools\_CLIENT\Downloader\25.09.2016\1.exe |
| Product Name | i4P0v4o8805W32J24BRND8bfe497bw61Ogx0 |
| Product Version | 7.9.8.2 |
File Traits
- .NET
- 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: | 1 |
|---|---|
| Potentially Malicious Blocks: | 1 |
| Whitelisted Blocks: | 0 |
| 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.Downloader.Small.H
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 |
|---|---|
| \device\namedpipe\gmdasllogger | Generic Write,Read Attributes |
| c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.0.regtrans-ms | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.1.regtrans-ms | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\microsoft\windows\usrclass.dat{dba6b5ef-640a-11ed-9bcb-f677369d361c}.txr.2.regtrans-ms | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\temp\abfpdxoqt.exe | Generic Write,Read Attributes |
| c:\windows\appcompat\programs\amcache.hve | Read Data,Read Control,Write Data |
| c:\windows\appcompat\programs\amcache.hve | Write Attributes |
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 |
|---|---|---|
| HKLM\software\microsoft\tracing\rasapi32::enablefiletracing | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::enableautofiletracing | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::enableconsoletracing | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::filetracingmask | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::consoletracingmask | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::maxfilesize | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasapi32::filedirectory | %windir%\tracing | RegNtPreCreateKey |
| HKLM\software\microsoft\tracing\rasmancs::enablefiletracing | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasmancs::enableautofiletracing | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasmancs::enableconsoletracing | RegNtPreCreateKey |
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| HKLM\software\microsoft\tracing\rasmancs::filetracingmask | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasmancs::consoletracingmask | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasmancs::maxfilesize | RegNtPreCreateKey | |
| HKLM\software\microsoft\tracing\rasmancs::filedirectory | %windir%\tracing | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | Xl * �v �Z�����5#��&�-(�1`1�1HO @V� A��H[uH�p_�zb"hk`k�ql(�w�n{b��P� �/������� ����X������ ��Rc�m� Ù� �gi����$�8წ���>��&M A�=�S/� B1_ B�� T�Vw�`�V�R� ��%������ �AE�Q] �� | RegNtPreCreateKey |
| HKLM\system\software\microsoft\tip\aggregateresults::data | 鐄ȴ 鲱 谦 隞̃耀꧌ * | 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 |
|---|---|
| Syscall Use |
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| User Data Access |
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| Anti Debug |
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| Encryption Used |
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| Network Winsock2 |
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| Network Winsock |
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| Network Winhttp |
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| Network Info Queried |
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| Process Manipulation Evasion |
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| Process Shell Execute |
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Shell Command Execution
Shell Command Execution
This section lists Windows shell commands that are run by the samples in this family. Windows Shell commands are often leveraged by malware for nefarious purposes and can be used to elevate security privileges, download and launch other malware, exploit vulnerabilities, collect and exfiltrate data, and hide malicious activity.
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\\dw20.exe dw20.exe -x -s 1344
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