Trojan.DLAssistant.A
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: | 542 |
| First Seen: | February 19, 2019 |
| Last Seen: | December 4, 2025 |
| OS(es) Affected: | Windows |
The detection of Trojan.DLAssistant.A on your system indicates a potential security threat that requires immediate attention. This report aims to provide you with a comprehensive understanding of the threat, its operational mechanisms, symptoms of infection, and most importantly, steps to remove it from your computer.
Table of Contents
What Is Trojan.DLAssistant.A?
Trojan.DLAssistant.A is identified as a Trojan-type threat. Trojans are malicious programs that can cause significant harm to your computer system. They are designed to allow unauthorized access to your system, potentially leading to data theft, system crashes, and the installation of additional malware. The name "Trojan.DLAssistant.A" suggests it might be related to or disguised as a download assistant, but without specific details, it's crucial to approach the removal with a broad strategy to ensure system security.
How Trojan.DLAssistant.A Operates
Trojan-type threats like Trojan.DLAssistant.A typically operate by deceiving users into installing them on their systems. This could be through clicking on malicious links, opening infected email attachments, or downloading software from untrusted sources. Once installed, the Trojan can perform a variety of malicious activities, including but not limited to, stealing personal data, downloading additional malware, and providing backdoor access to hackers. The exact operation mechanism can vary, but the end goal is usually to compromise the security and integrity of the infected system.
Symptoms of Infection
Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. Common signs include a noticeable decrease in system performance, frequent system crashes, and the appearance of unwanted pop-ups or toolbars in your web browser. Additionally, you might notice that your system is behaving erratically, such as programs opening or closing on their own, or your web browser being redirected to unwanted sites. If you suspect your system is infected, it's essential to act promptly to minimize potential damage.
How to Remove Trojan.DLAssistant.A
- Boot your computer in Safe Mode with Networking. This will limit the Trojan's ability to interfere with the removal process and allow you to download necessary tools.
- Download and install a reputable anti-malware tool, such as SpyHunter. Perform a full scan of your system to detect and remove all traces of the Trojan.
- Manually uninstall any suspicious programs that you do not recognize or that were installed around the time you noticed the infection.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help remove any malicious extensions or settings changes made by the Trojan.
- After completing the above steps, reboot your system and perform another scan with your anti-malware tool to ensure that the threat has been completely removed.
Conclusion
Removing Trojan.DLAssistant.A from your system requires careful and thorough action. By following the steps outlined in this report, you can help ensure the complete removal of the threat and protect your system from future infections. Remember, prevention is key; always be cautious when downloading software, avoid suspicious links and email attachments, and keep your anti-malware software up to date. 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.
Analysis Report
General information
| Family Name: | Trojan.DLAssistant.A |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
b1d3f8e2d63382566ba2bad3ffc43893
SHA1:
12945c002a4a6c8f4a57ae8f38bdd3572233b485
SHA256:
931DDB50F1FE3D4245A086143B8E12587D511301FD12F8D87E8B2D8AC716D243
File Size:
5.83 MB, 5825536 bytes
|
|
MD5:
df697de2e5a97626edbb1e8e4e112098
SHA1:
c198a7412f5c900fda15077ee7e4a434937dcf56
SHA256:
4403FCBCD4940D51A66E4C53E2A3ECD7FCBEAC510F29619B3714F1B3880B7FA0
File Size:
6.02 MB, 6016000 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 32-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is Native application (NOT .NET application)
- File is not packed
Show More
- 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 |
|---|---|
| Comments | FastStone Image Viewer 6.7 |
| File Description | FastStone Image Viewer 6.7 Setup |
| File Version | 6.7.0.0 |
| Legal Copyright | Copyright (C) 2018 by FastStone Soft |
| Product Name | FastStone Image Viewer |
| Product Version | 6.7 |
File Traits
- Installer Version
- No Version Info
- 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: | 1,450 |
|---|---|
| Potentially Malicious Blocks: | 5 |
| Whitelisted Blocks: | 1,422 |
| Unknown Blocks: | 23 |
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.- DLAssistant.A
- JuicyPotato.A
- Linkury.BA
- StartSurf.A
- Turla.J
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 |
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