Trojan.MSIL.Jalapeno.J
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: | 32 |
| First Seen: | January 21, 2025 |
| Last Seen: | February 16, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Jalapeno.J 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 methods, symptoms of infection, and most importantly, steps to remove it from your computer.
Table of Contents
What Is Trojan.MSIL.Jalapeno.J?
Trojan.MSIL.Jalapeno.J is identified as a Trojan-type threat. Trojans are malicious programs that can cause harm to your computer system by allowing unauthorized access, stealing data, or disrupting system operations. The name suggests it is written in MSIL (Microsoft Intermediate Language), which is a platform-agnostic intermediate form of code used by the.NET Framework. This implies the malware could be designed to operate on systems that support.NET, potentially making it versatile across different environments.
How Trojan.MSIL.Jalapeno.J Operates
The operational specifics of Trojan.MSIL.Jalapeno.J can vary, but generally, Trojans of this nature are designed to infiltrate a system by disguising themselves as legitimate software. Once inside, they can create backdoors for remote access, allowing attackers to control the infected system, steal sensitive information, or use the system as a launch point for further malicious activities. The exact mechanisms of operation can depend on the intentions of the malware authors, but the end goal is typically to exploit the infected system for financial gain or to cause disruption.
Symptoms of Infection
Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. Common indicators include unusual system behavior, such as unexpected crashes, slow performance, or unfamiliar programs and icons appearing on the desktop. Sometimes, infected systems may exhibit no noticeable symptoms at all, making regular system checks and scans crucial for early detection. Other signs could include increased network activity without a clear cause, changes in system settings, or the appearance of unwanted pop-ups and spam.
- Unexplained changes in system settings or performance.
- Appearance of unfamiliar programs or files.
- Increased network activity without a clear cause.
- Frequent system crashes or freezes.
How to Remove Trojan.MSIL.Jalapeno.J
- Enter Safe Mode with Networking to limit the malware's ability to interfere with the removal process. This mode allows you to use the internet to download necessary tools while restricting the execution of most user-installed programs.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated with the latest definitions to increase the chances of detecting and removing the Trojan.
- Uninstall any suspicious programs that were installed around the time the infection was detected. Be cautious and only remove programs you are certain are not necessary for your system's operation.
- Reset your web browsers (Google Chrome, Mozilla Firefox, Microsoft Edge) to their default settings. This can help remove any malicious extensions or settings changes made by the Trojan.
- Reboot your system and perform another full scan to ensure the malware has been completely removed. Regularly updating your operating system, browser, and security software can help prevent future infections.
Conclusion
Dealing with a Trojan infection like Trojan.MSIL.Jalapeno.J requires a combination of immediate action and preventive measures. By understanding how Trojans operate and being vigilant about system security, you can significantly reduce the risk of infection. Remember, the key to protecting your digital assets is staying informed, keeping your software up to date, and regularly scanning your system for potential threats. If you are unsure about any part of the removal process, consider consulting with a professional to ensure the malware is completely eradicated and your system is secure.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Jalapeno.J |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
92ead58aed0e1bcfeb66ab7a727c1d0f
SHA1:
603cb152be95335b7ef762a59cd34da4177e2939
File Size:
490.50 KB, 490496 bytes
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MD5:
f4932178ef995d1b99b94f0b21c7e2ed
SHA1:
136d672ae89330db0bb11cc2a56011f2f36d8ed4
SHA256:
EDB5B6AA1EF1B5FBBF1AA930D3FEC97AFB233283FC0C46987CDAADC6DEE3E303
File Size:
564.74 KB, 564736 bytes
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MD5:
a82fabd558d9daa27d961214f0f7b748
SHA1:
0b806dfecdac6a3564f88fc234ce4c8aaf4198ca
SHA256:
89906B930D9FE52BCF85FFC14B213E104A29A2894D6435911FA8A15CF77B7312
File Size:
328.70 KB, 328704 bytes
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MD5:
4dd41faedeae98db0e37f43787ee89d4
SHA1:
55ef2a657e2f492b711d05fb92a2a784f855d7a2
SHA256:
60B9FFA53EA58BA45674A21C740DC0A4150B37113B0F24EA026B87A287D89AD2
File Size:
6.96 MB, 6957056 bytes
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MD5:
01a668b316c19728eb252c5f5aca028f
SHA1:
36273b82caef3fa6e0a974ab4a1b4a63152bb020
SHA256:
F5E051F7E8F2C3F42868D0686AB9A7F020546FFCEF853692F2FC4BAE8F2DA9E3
File Size:
330.75 KB, 330752 bytes
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MD5:
1c2d29e6684361d4bb0a41c3b4adfba6
SHA1:
fab358634bb032eae88d92f8889461d8de5744b5
SHA256:
609CFF7CB21BBDA49F83B6F1AD02807807D6719805BD55F114B8016A21645E5B
File Size:
336.38 KB, 336384 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 security information
- File is .NET application
- File is 32-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is not packed
- IMAGE_FILE_DLL is not set inside PE header (Executable)
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- 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 |
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| Assembly Version |
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| File Description |
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| Internal Name |
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| Legal Copyright |
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| Original Filename |
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File Traits
- .NET
- 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: | 1,571 |
|---|---|
| Potentially Malicious Blocks: | 1,389 |
| Whitelisted Blocks: | 5 |
| Unknown Blocks: | 177 |
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.Jalapeno.J
- MSIL.Jalapeno.L
- MSIL.Krypt.YAGC
- MSIL.Krypt.YAGD
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 |
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| Syscall Use |
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| User Data Access |
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| Other Suspicious |
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| Anti Debug |
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