Trojan.Downloader.JCA
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.
| Popularity Rank: | 9,821 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 10 |
| First Seen: | April 13, 2026 |
| Last Seen: | July 16, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Downloader.JCA indicates that your system has been compromised by a potentially malicious program. This type of threat is designed to download and install additional malware or unwanted software on your computer, which can lead to a range of problems, including data theft, system crashes, and slowed performance. It is essential to take immediate action to remove the threat and prevent further damage.
Table of Contents
What Is Trojan.Downloader.JCA?
Trojan.Downloader.JCA is a type of Trojan horse malware that is designed to download and install additional malware or unwanted software on your computer. The name "Trojan" refers to the fact that this type of malware disguises itself as a legitimate program, 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 and installing additional software, which can include other types of malware, adware, or unwanted programs.
How Trojan.Downloader.JCA Operates
Trojan.Downloader.JCA operates by exploiting vulnerabilities in your system or by tricking you into installing it voluntarily. Once installed, it can download and install additional malware or unwanted software, which can include keyloggers, ransomware, or other types of malicious programs. This malware can also modify system settings, disable security software, and create backdoors to allow remote access to your computer. The goal of Trojan.Downloader.JCA is to compromise your system and steal sensitive information, such as login credentials, financial data, or personal information.
Symptoms of Infection
The symptoms of a Trojan.Downloader.JCA infection can vary, but common indicators include slowed system performance, frequent crashes, and unusual pop-ups or advertisements. You may also notice that your browser homepage has changed, or that new toolbars or extensions have been installed without your consent. In some cases, you may receive alerts from your security software indicating that a malicious program has been detected. If you suspect that your system has been infected with Trojan.Downloader.JCA, it is essential to take immediate action to remove the threat.
How to Remove Trojan.Downloader.JCA
- Restart your computer in Safe Mode with Networking to prevent the malware from loading and to allow your security software to run more effectively.
- Run a full scan with a reputable anti-malware tool, such as SpyHunter, to detect and remove all instances of the malware.
- Uninstall any suspicious programs or software that you do not recognize or that were installed without your 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 full scan with your anti-malware tool to ensure that all instances of the malware have been removed.
Conclusion
Removing Trojan.Downloader.JCA from your system requires careful attention to detail and a thorough understanding of the malware removal process. By following the steps outlined above, you can help to ensure that your system is free from this potentially malicious program and that your sensitive information is protected. Remember to always be cautious when installing new software, and to never click on suspicious links or download attachments from unknown sources. By taking these precautions, you can help to prevent future infections and keep your system running smoothly and securely.
Analysis Report
General information
| Family Name: | Trojan.Downloader.JCA |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
ebb746d8a79e9e178a1e90716fae4012
SHA1:
9362068c58b49c8ec4fbd9a5431757b87c7c42af
SHA256:
4243A07A064A798FBE49A4B33E667530038D78A4544CC0089900E3A2F470340F
File Size:
1.92 MB, 1916416 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 64-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
- 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 |
|---|---|
| Company Name | Kai Schtrom |
| File Description | DSE-Patcher |
| File Version | 1.0.0.0 |
| Internal Name | DSE-Patcher.exe |
| Legal Copyright | Copyright © Kai Schtrom 2022 |
| Original Filename | DSE-Patcher.exe |
| Product Name | DSE-Patcher |
| Product Version | 1.0.0.0 |
File Traits
- HighEntropy
- 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: | 50 |
|---|---|
| Potentially Malicious Blocks: | 31 |
| Whitelisted Blocks: | 19 |
| 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.JCA
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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