Trojan.MSIL.Krypt.UJ
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: | 16,196 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 48 |
| First Seen: | January 28, 2023 |
| Last Seen: | July 28, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Krypt.UJ 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 a step-by-step guide on how to remove it from your computer.
Table of Contents
What Is Trojan.MSIL.Krypt.UJ?
Trojan.MSIL.Krypt.UJ is identified as a Trojan-type threat, which is a broad category of malware designed to deceive users by appearing as legitimate software. The name itself does not directly indicate a specific malware family but suggests it may involve encryption or obfuscation techniques, given the "Krypt" part of its name. Trojans are known for their ability to gain unauthorized access to a computer system, allowing hackers to steal sensitive information, install additional malware, or disrupt system operation.
How Trojan.MSIL.Krypt.UJ Operates
Trojan.MSIL.Krypt.UJ, like other Trojans, likely operates by disguising itself as a legitimate program or file, tricking users into downloading and installing it. Once installed, it can create a backdoor on the infected computer, enabling remote access for malicious activities. The specifics of how it operates can vary, but common behaviors include data theft, keystroke logging, and the installation of other types of malware. Its ability to evade detection may involve code obfuscation or anti-detection techniques, making it challenging for traditional antivirus software to identify and remove it.
Symptoms of Infection
Symptoms of a Trojan.MSIL.Krypt.UJ infection can be subtle and may not always be immediately apparent. Common signs include unusual system behavior, such as unexpected pop-ups, slow performance, or frequent crashes. Users might also notice unfamiliar programs or icons on their desktop, changes in their browser settings, or unexpected network activity. However, some Trojans are designed to operate silently, making them difficult to detect without the aid of security software.
How to Remove Trojan.MSIL.Krypt.UJ
- Boot your computer in Safe Mode with Networking to limit the malware's ability to interfere with the removal process.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all traces of the Trojan.
- Uninstall any suspicious programs that you do not recognize or that were installed around the time the malware was detected.
- Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings changes made by the Trojan.
- Reboot your computer and perform another full scan with your anti-malware tool to ensure that all components of the Trojan have been removed.
Conclusion
Removing Trojan.MSIL.Krypt.UJ requires careful and thorough action to ensure that all components of the malware are eliminated from your system. It's crucial to stay vigilant and take preventive measures to avoid future infections, such as keeping your operating system and software up to date, using strong antivirus protection, and being cautious when downloading files or clicking on links from unknown sources. By following the removal steps outlined above and maintaining good cybersecurity practices, you can protect your computer and personal data from similar threats in the future.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Krypt.UJ |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
dbe4f59b6a10e3b574fc60e88e9226e1
SHA1:
12548f9bc9c9f0704aa2db4e120fd9b5f10e8b36
SHA256:
867B55F440AA05D5C63DC460E6A51CCAB7FFEAAEE8500FCF9AFE5CC6EB7C6463
File Size:
1.63 MB, 1628160 bytes
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MD5:
391983c08504f7451bb57621520f7c0e
SHA1:
225a651ee7005e9dd4fc6ac68b37688a1953ad16
SHA256:
5404B524D378727FEAF52D14D3A3100B4E150FACA365558C3F7C711782E6365B
File Size:
253.95 KB, 253952 bytes
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MD5:
58981e6cb9e0000366db8e4820a470ef
SHA1:
346848a46c8c41db7e34c1423f6c26ee5c1e7e36
SHA256:
ADDA0A46558FFD8E2826816741285D99719172D0D5E16C9C6A83AB6D7ECDFCEA
File Size:
255.49 KB, 255488 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)
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 |
|---|---|
| Assembly Version | 1.0.0.0 |
| File Version | 1.0.0.0 |
| Internal Name |
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| Original Filename |
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| Product Version | 1.0.0.0 |
File Traits
- .NET
- HighEntropy
- Installer Version
- RijndaelManaged
- 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: | 18 |
|---|---|
| Potentially Malicious Blocks: | 6 |
| Whitelisted Blocks: | 12 |
| 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.- MSIL.Agent.KAB
- MSIL.Agent.XSY
- MSIL.Agent.XSYA
- MSIL.Cerbu.C
- MSIL.Dropper.DG
Show More
- MSIL.Dropper.X
- MSIL.Dropper.XF
- MSIL.Injector.MFA
- MSIL.Krypt.GDSG
- MSIL.Krypt.GTD
- MSIL.Krypt.SEA
- MSIL.Krypt.TDJ
- MSIL.Krypt.U
- MSIL.Krypt.XCJ
- MSIL.Kryptik.XC
- MSIL.Njrat.M
- MSIL.Qhost.X
- Wacatac.AR
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\roaming\launcher.exe | Generic Write,Read Attributes |
| c:\users\user\appdata\roaming\winsystray.exe | Generic Write,Read Attributes |
| c:\users\user\appdata\roaming\xclient.exe | Generic Write,Read Attributes |
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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| User Data Access |
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| Encryption Used |
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| Anti Debug |
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