Trojan.Downloader.Small.HA
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: | 3 |
| First Seen: | October 26, 2021 |
| Last Seen: | April 10, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Downloader.Small.HA on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to download and install additional malicious software on your computer, which can lead to a range of problems, including data theft, system crashes, and unauthorized access to your personal information.
Table of Contents
What Is Trojan.Downloader.Small.HA?
Trojan.Downloader.Small.HA is a type of Trojan horse malware that is designed to download and install additional malicious software on your computer. The name "Trojan" refers to the fact that this type of malware disguises itself as a legitimate program or file, allowing it to evade detection and gain access to your system. The "Downloader" part of the name indicates that this malware is capable of downloading additional malicious software from the internet, which can include viruses, spyware, adware, and other types of malware.
How Trojan.Downloader.Small.HA Operates
Trojan.Downloader.Small.HA typically operates by exploiting vulnerabilities in your system or tricking you into downloading and installing it. Once installed, it can download and install additional malicious software, including viruses, spyware, and adware. This malware can also modify your system settings, steal your personal data, and provide unauthorized access to your computer. It's worth noting that the exact mechanisms of operation can vary depending on the specific goals of the attackers and the vulnerabilities they exploit.
Symptoms of Infection
The symptoms of a Trojan.Downloader.Small.HA infection can vary, but common signs include slow system performance, unexpected pop-ups and ads, unfamiliar programs or icons on your desktop, and changes to your system settings. You may also notice that your browser is being redirected to unfamiliar websites or that your personal data is being stolen. In some cases, the infection may not exhibit any noticeable symptoms at all, making it difficult to detect without the use of antivirus software.
- Slow system performance
- Unexpected pop-ups and ads
- Unfamiliar programs or icons on your desktop
- Changes to your system settings
- Browser redirection to unfamiliar websites
- Theft of personal data
How to Remove Trojan.Downloader.Small.HA
- Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for a clean scan.
- Use a reputable antivirus tool, such as SpyHunter, to perform a full scan of your system and remove any detected threats.
- Uninstall any suspicious programs or applications that you do not recognize or that were installed without your knowledge.
- 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 perform another scan with your antivirus software to ensure that the malware has been completely removed.
Conclusion
Removing Trojan.Downloader.Small.HA from your system requires a combination of technical expertise and caution. By following the steps outlined above and using reputable antivirus software, you can help to protect your system and prevent future infections. It's also important to practice safe computing habits, such as avoiding suspicious downloads and emails, using strong passwords, and keeping your operating system and software up to date. Remember that prevention is key, and staying informed about the latest threats and vulnerabilities is essential for maintaining the security and integrity of your computer system.
Analysis Report
General information
| Family Name: | Trojan.Downloader.Small.HA |
|---|---|
| Packers: | UPX |
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
18cb68ce8b24f3f057d557140c82ae10
SHA1:
4faedda49f66e36f8c044b0bf840295352654c22
SHA256:
66176AD49350EB0CAB418F4898531DFBEBF7742C678C1673E1F2D552EA76B61D
File Size:
10.75 KB, 10752 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 doesn't have relocations information
- File doesn't have resources
- File doesn't have security information
- File has been packed
- File is 32-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
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- File is Native application (NOT .NET application)
- IMAGE_FILE_DLL is not set inside PE header (Executable)
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Traits
- No Version Info
- packed
- 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: | 56 |
|---|---|
| Potentially Malicious Blocks: | 9 |
| Whitelisted Blocks: | 47 |
| 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.- Downloader.Small.HA
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\a68b.tmp | Generic Write,Read Attributes |
| c:\users\user\downloads\tmpfile0.bat | Generic Write,Read 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\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 볻ᙧ畓ǜ | RegNtPreCreateKey |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect | RegNtPreCreateKey | |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | (k � 8��8tX��B�8 �6 �v5� �Z xy �� T�B� ������ � ���� �5����ee��Bx �< �!wz "Wc#�#��$kF$�� %"�%:� %�&� &�x(�(X�)�`*J*9*�^*�h+�[,��/9� /��0P%1`1�1HO 1�D5�05�G6�^6�� | RegNtPreCreateKey |
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| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc3475 | �� 2 xy * � /�� Y� d� kP~ �� � � �ރ �p ��^ �o � ��z ee( Vs} kP~ ��1 � �� 7 � �� ﺃ e e�� ��1 �� f e�� h | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | ៵畓ǜ | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | )k � 8��8tX��B�8 �6 �v5� �Z xy �� T�B� ������ � ���� �5����ee��Bx �< �!wz "Wc#�#��$kF$�� %"�%:� %�&� &�x(�(X�)�`*J*9*�^*�h+�[,��/9� /��0P%1`1�1HO 1�D5�05�G6�^6�� | 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 |
|---|---|
| Process Manipulation Evasion |
|
| Process Shell Execute |
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| Syscall Use |
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| Anti Debug |
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| User Data Access |
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| Process Terminate |
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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.
"tmpfile0.bat"
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WriteConsole: =-=-=-=-= Regist
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WriteConsole: .
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WriteConsole: .
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WriteConsole:
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WriteConsole: c:\users\user\DO
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WriteConsole: regsvr32
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WriteConsole: /c /s c:\dinema
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WriteConsole:
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C:\WINDOWS\system32\regsvr32.exe regsvr32 /c /s c:\dinema\santoni\Bin\colorwellN3.ocx
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WriteConsole:
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WriteConsole: c:\users\user\DO
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WriteConsole: regsvr32
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WriteConsole: /c /s c:\dinema
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WriteConsole:
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C:\WINDOWS\system32\regsvr32.exe regsvr32 /c /s c:\dinema\santoni\Bin\colorselectorN2.ocx
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WriteConsole:
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WriteConsole: c:\users\user\DO
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WriteConsole: regsvr32
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WriteConsole: /c /s c:\dinema
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WriteConsole:
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C:\WINDOWS\system32\regsvr32.exe regsvr32 /c /s c:\dinema\santoni\Bin\LanguageselectorN2.dll
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WriteConsole:
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WriteConsole: c:\users\user\DO
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WriteConsole: regsvr32
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WriteConsole: /c /s c:\dinema
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WriteConsole:
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C:\WINDOWS\system32\regsvr32.exe regsvr32 /c /s c:\dinema\santoni\Bin\MacN5.dll
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WriteConsole:
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WriteConsole: c:\users\user\DO
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WriteConsole: regsvr32
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WriteConsole: /c /s c:\dinema
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WriteConsole:
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C:\WINDOWS\system32\regsvr32.exe regsvr32 /c /s c:\dinema\santoni\Bin\MacBrowserN5.dll
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WriteConsole:
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WriteConsole: c:\users\user\DO
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WriteConsole: regsvr32
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WriteConsole: /c /s c:\dinema
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WriteConsole:
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C:\WINDOWS\system32\regsvr32.exe regsvr32 /c /s c:\dinema\santoni\Bin\SGConverter.dll
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WriteConsole:
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WriteConsole: c:\users\user\DO
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WriteConsole: goto
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WriteConsole: DONEOCX
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WriteConsole:
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WriteConsole:
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WriteConsole: c:\users\user\DO
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WriteConsole: call
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WriteConsole: c:\dinema\santo
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WriteConsole:
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WriteConsole: The system canno
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WriteConsole:
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WriteConsole: c:\users\user\DO
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WriteConsole: call
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WriteConsole: c:\dinema\santo
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WriteConsole:
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WriteConsole: The system canno
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WriteConsole:
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WriteConsole: c:\users\user\DO
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WriteConsole: call
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WriteConsole: c:\dinema\santo
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WriteConsole:
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WriteConsole: The system canno
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WriteConsole:
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WriteConsole: c:\users\user\DO
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WriteConsole: call
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WriteConsole: c:\dinema\santo
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WriteConsole:
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WriteConsole: The system canno
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WriteConsole:
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WriteConsole: c:\users\user\DO
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WriteConsole: call
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WriteConsole: c:\dinema\santo
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WriteConsole:
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WriteConsole: The system canno
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WriteConsole:
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WriteConsole: c:\users\user\DO
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WriteConsole: call
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WriteConsole: c:\dinema\santo
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WriteConsole:
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WriteConsole: The system canno
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WriteConsole:
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WriteConsole: c:\users\user\DO
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WriteConsole: call
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WriteConsole: c:\dinema\santo
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WriteConsole:
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WriteConsole: The system canno
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WriteConsole:
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WriteConsole: c:\users\user\DO
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WriteConsole: call
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WriteConsole: c:\dinema\santo
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WriteConsole:
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WriteConsole: The system canno
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WriteConsole:
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WriteConsole: c:\users\user\DO
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WriteConsole: c:\dinema\santon
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WriteConsole: -L English_us
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WriteConsole:
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WriteConsole: The system canno
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WriteConsole:
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WriteConsole: c:\users\user\DO
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WriteConsole: c:\dinema\santon
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WriteConsole: c:\dinema\santo
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WriteConsole:
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WriteConsole: The system canno
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WriteConsole:
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WriteConsole: c:\users\user\DO
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WriteConsole: c:\dinema\santon
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WriteConsole: c:\dinema\santo
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WriteConsole:
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WriteConsole: The system canno
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WriteConsole:
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WriteConsole: c:\users\user\DO
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WriteConsole: c:\dinema\santon
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WriteConsole: c:\dinema\santo
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WriteConsole:
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WriteConsole: The system canno
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C:\Users\Mflnmjiq\AppData\Local\Temp\A68B.tmp c:\users\user\DOWNLO~1
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open tmpfile0.bat
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WriteConsole:
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WriteConsole: c:\users\user\DO
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WriteConsole: del
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WriteConsole: "C:\Users\Mflnm
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WriteConsole:
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WriteConsole:
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WriteConsole: c:\users\user\DO
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WriteConsole: del
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WriteConsole: "tmpfile0.bat"
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WriteConsole:
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WriteConsole: The batch file c
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