Trojan.Downloader.JDC
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: | November 27, 2025 |
| Last Seen: | February 22, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.Downloader.JDC 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.Downloader.JDC?
Trojan.Downloader.JDC is identified as a Trojan-type threat, which means it is designed to allow unauthorized access to your computer system. Trojans are known for their ability to disguise themselves as legitimate software, making them difficult to detect without proper security measures. The name "Downloader" suggests that this particular Trojan may be capable of downloading additional malicious software onto your computer, potentially leading to further compromises of your system's security and integrity.
How Trojan.Downloader.JDC Operates
Typically, Trojans like Trojan.Downloader.JDC operate by exploiting vulnerabilities in software or tricking users into installing them. Once installed, they can create backdoors for remote access, allowing attackers to steal sensitive information, install more malware, or use your computer for malicious activities. The "Downloader" aspect implies it might be used to fetch and install other types of malware, making it a significant threat to your system's security.
Symptoms of Infection
Identifying a Trojan infection can be challenging due to its stealthy nature. However, some common symptoms include unusual system behavior such as slow performance, frequent crashes, and unexpected pop-ups or advertisements. You might also notice that your browser's homepage has changed, or you are being redirected to unwanted websites. In some cases, the presence of a Trojan can lead to the loss of personal data or unauthorized access to your computer.
How to Remove Trojan.Downloader.JDC
- Boot into Safe Mode with Networking: This will help prevent the malware from loading and give you a cleaner environment to perform the removal process.
- Perform a Full Scan with a Reputable Tool: Utilize a trustworthy anti-malware tool, such as SpyHunter, to scan your computer thoroughly. These tools are designed to detect and remove malware, including Trojans like Trojan.Downloader.JDC.
- Uninstall Suspicious Programs: Go through your installed programs and remove any that you do not recognize or that were installed around the time you suspect the infection occurred.
- Reset Your Browser Settings: If your browser has been affected, resetting it to its default settings can help remove unwanted changes made by the malware. This applies to browsers like Chrome, Firefox, and Edge.
- Reboot and Re-scan: After taking the above steps, restart your computer and perform another scan with your anti-malware tool to ensure that all traces of the malware have been removed.
Conclusion
Removing Trojan.Downloader.JDC requires careful and systematic steps to ensure that your computer is thoroughly cleaned and protected against future threats. It's essential to stay vigilant and maintain up-to-date security software to prevent such infections. Regularly backing up your important data and being cautious when opening email attachments or downloading software from the internet can also help in preventing malware infections. By following the guidance provided and maintaining good cybersecurity practices, you can protect your computer and personal data from threats like Trojan.Downloader.JDC.
Analysis Report
General information
| Family Name: | Trojan.Downloader.JDC |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
29affdcefd2af45697515bdd3c7ea301
SHA1:
d6f51b7c1f5a0f3549139c3f2c51d4d348068457
SHA256:
1AC2664279CC5EFF90BCB4870E486E0A285868171BFE62113CE45BDC32D9AE50
File Size:
4.19 MB, 4194304 bytes
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MD5:
a54f68a0fb3cd5c65d53ae0defffd79c
SHA1:
b27bf1a14a8596e57a8c1d127e0a801ec1759cc3
SHA256:
B2E6A919EE5781CD743649E644E3BDEA7F963FA7116EE2CA30D502BD6A393E0B
File Size:
3.15 MB, 3145728 bytes
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MD5:
0ca371289085ffcc14c9cb9513edd13d
SHA1:
f1e2ba6855474d290a58005bc1b4f702e4d154af
SHA256:
A0A0BFC963177FE7ABA615465971D12BE13146A1CA072150A328F1D1259F6BE9
File Size:
1.05 MB, 1048576 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)
File Traits
- big overlay
- No Version Info
- 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: | 988 |
|---|---|
| Potentially Malicious Blocks: | 16 |
| Whitelisted Blocks: | 972 |
| Unknown Blocks: | 0 |
Visual Map
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0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block
? - 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.- BypassUAC.BL
- Downloader.JDC
- Trojan.Agent.Gen.ABC
- Trojan.Agent.Gen.AUO
- Trojan.Agent.Gen.AVG
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\dav rpc service | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| \device\namedpipe\pshost.134123664428038261.2652.defaultappdomain.powershell | Generic Read,Write Data,Write Attributes,Write extended,Append data,LEFT 524288 |
| \device\namedpipe\pshost.134128448505926080.7580.defaultappdomain.powershell | Generic Read,Write Data,Write Attributes,Write extended,Append data,LEFT 524288 |
| \device\namedpipe\pshost.134165017177757812.2356.defaultappdomain.powershell | Generic Read,Write Data,Write Attributes,Write extended,Append data,LEFT 524288 |
| \device\namedpipe\wkssvc | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\temp\__psscriptpolicytest_4lktriqv.img.ps1 | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\__psscriptpolicytest_dmq1ma3h.4gq.ps1 | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\__psscriptpolicytest_mzcx2ztk.ltu.psm1 | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\__psscriptpolicytest_nzsf5ww0.cqq.psm1 | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\__psscriptpolicytest_pchi2ewu.vh3.ps1 | Generic Write,Read Attributes |
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| c:\users\user\appdata\local\temp\__psscriptpolicytest_vyg4y2hz.fls.psm1 | 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 |
|---|---|---|
| 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\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe | 蹯ᷧ胃ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | ៳ᷱ胃ǜ | RegNtPreCreateKey |
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| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc3475 | �� 7 xy * � /�� Y� d� kP~ �� � � �ރ �p ��^ �o � ��z ee) Vs} kP~ ��1 � �� 7 � �� ﺃ e e�� ��1 �� f e�� h | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | /k 8��8tXz��B�8 �6 �v z 5� �Z xy �� T�B� ������ � ���� �5����ee +��Bx �< 5 � �!wz "Wc#�#��$kF$�� %"�%:� %�&� &�x(�(X�)�`*J*9*�^*�h+�[,��/9� /��0P%1`1�1HO | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | 0k 8��8tXz��B�8 �6 �v z 5� �Z xy �� T�B� ������ � ���� �5����ee +��Bx �< 5 � �!wz "Wc#�#��$kF$�� %"�%:� %�&� &�x(�(X�)�`*J*9*�^*�h+�[,��/9� /��0P%1`1�1HO | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe | 쪇７蔜ǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | 똗Ｃ蔜ǜ | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc3475 | � xy * � /�� Y� d� kP~ � � �ރ �p ��^ �o � ��z ee? Vs} kP~ ��1 n �� 7 � �� ﺃ e e�� � ��1 �� f e�� g | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | k 8��81z��B�8 �6 �v y� z �Z xy �� �a ۀT�B� ����� 1���� �5����ee +Bx �<�� �� 5 � �7 �!wz "M)"Wc#�#��$kF$�� %"�%:� %�&� &�x'�(�(X�)�`*J*9*�^+�[+��,=� | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe | 旽䷐ꙟǜ | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | ䷙ꙟǜ | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc3475 | � xy * � /�� Y� d� kP~ � � �ރ �p ��^ �o � ee< Vs} kP~ ��1 . �� 7 � �� ﺃ e e�� � ��1 �� f e�� g � | RegNtPreCreateKey |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 | �j � 8��81��B �6 �v y� �Z xy �� �a ۀT�B� ����� 1���� �5����eeBx �<�� �� �R �7 �!wz "M)"Wc#�#��$kF$�� %"�%:� %�&� &�x'�(�(X�)�`*J*9*�^+�[+��,=� ,��/9� /��1`1� | 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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29 additional items are not displayed above. |
| Process Manipulation Evasion |
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| Process Shell Execute |
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| Network Urlomon |
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| Anti Debug |
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| User Data Access |
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| Encryption Used |
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| Other Suspicious |
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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\System32\cmd.exe "C:\Windows\System32\cmd.exe" /C powershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath \"C:\Users\Ggswmnzc\AppData\Local\bzyAvfwIN\"
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open cmd.exe /C powershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath \"C:\Users\Ggswmnzc\AppData\Local\bzyAvfwIN\"
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C:\Users\Ggswmnzc\AppData\Local\bzyAvfwIN\launcher.exe
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C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe powershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath \"C:\Users\Ggswmnzc\AppData\Local\bzyAvfwIN\"
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C:\Windows\System32\cmd.exe "C:\Windows\System32\cmd.exe" /C powershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath \"C:\Users\Pkdeibzo\AppData\Local\chEAiNQoN\"
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open cmd.exe /C powershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath \"C:\Users\Pkdeibzo\AppData\Local\chEAiNQoN\"
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C:\Users\Pkdeibzo\AppData\Local\chEAiNQoN\launcher.exe
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C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe powershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath \"C:\Users\Pkdeibzo\AppData\Local\chEAiNQoN\"
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C:\Windows\System32\cmd.exe "C:\Windows\System32\cmd.exe" /C powershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath \"C:\Users\Lqrhewnt\AppData\Local\MSRyUgvS\"
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open cmd.exe /C powershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath \"C:\Users\Lqrhewnt\AppData\Local\MSRyUgvS\"
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C:\Users\Lqrhewnt\AppData\Local\MSRyUgvS\game_launcher.exe
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C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe powershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath \"C:\Users\Lqrhewnt\AppData\Local\MSRyUgvS\"
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