Trojan.MSIL.Krypt.YAE
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: | 22,362 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 351 |
| First Seen: | October 25, 2021 |
| Last Seen: | May 19, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Krypt.YAE 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 system. It's crucial to approach this situation with a clear understanding of the risks and the necessary actions to mitigate them.
Table of Contents
What Is Trojan.MSIL.Krypt.YAE?
Trojan.MSIL.Krypt.YAE is identified as a Trojan-type threat. Trojans are malicious programs that can cause significant harm to computer systems. They are designed to allow unauthorized access to the victim's system, potentially leading to data theft, system compromise, and further malware infections. The name suggests it may involve encryption or cryptographic elements, but without specific details, it's essential to focus on general principles of Trojan removal and system security.
How Trojan.MSIL.Krypt.YAE Operates
Trojans typically operate by disguising themselves as legitimate software or attachments. Once installed, they can create backdoors, allowing hackers to access and control the infected system remotely. This can lead to a variety of malicious activities, including data theft, installation of additional malware, and exploitation of system resources for spamming or cryptocurrency mining. Understanding how Trojans operate is key to preventing future infections and protecting sensitive information.
Symptoms of Infection
Symptoms of a Trojan infection can vary widely but may include unusual system behavior, such as unexpected pop-ups, slow system performance, and unfamiliar programs or icons. In some cases, the presence of a Trojan may not be immediately apparent, as these malware types are designed to operate stealthily. Regular system scans and monitoring for unusual activity are crucial for early detection.
- Unexplained changes in system settings or performance.
- Appearance of unfamiliar programs or toolbars.
- Frequent crashes or system freezes.
- Difficulty in accessing certain system functions or files.
How to Remove Trojan.MSIL.Krypt.YAE
- Enter Safe Mode with Networking to limit the malware's ability to interfere with the removal process. This mode allows you to access the internet for downloading necessary removal tools while minimizing system activity.
- Download and run a full scan with a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated to the latest version to maximize its effectiveness against the latest threats.
- Uninstall suspicious programs that were installed around the time the malware was detected. Be cautious and only remove programs you are certain are not essential to your system's operation.
- Reset your web browsers, including Chrome, Firefox, and 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 scan to ensure all components of the malware have been removed. This step is crucial as some malware can only be fully removed after a system restart.
Conclusion
The removal of Trojan.MSIL.Krypt.YAE requires careful and thorough action to ensure all components of the malware are eliminated from your system. By understanding the nature of Trojan threats and following the steps outlined in this report, you can significantly reduce the risk of reinfection and protect your system and data from future threats. Regular system maintenance, including updates and scans, is essential for ongoing security. Remember, prevention and vigilance are key to maintaining a secure computing environment.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Krypt.YAE |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
a8e80183129ffc61c4b5cdbcd7480d17
SHA1:
5667e8a726e0c58c0ea4095ce106b329aadb5661
SHA256:
3CF64F76D55FDCE5B7BF0BDE3C15495064AA392FF3D3272E554E707A7904C975
File Size:
6.62 MB, 6615040 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 .NET application
- File is 64-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is not packed
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- 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 |
|---|---|
| Assembly Version | 0.0.0.0 |
| File Description | RobloxTNG |
| File Version | 1.0.0.0 |
| Internal Name | RobloxTNG |
| Legal Copyright | RobloxTNG |
| Original Filename | RobloxTNG |
| Product Name | RobloxTNG |
| Product Version | RobloxTNG |
File Traits
- .NET
- 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: | 6 |
|---|---|
| Potentially Malicious Blocks: | 3 |
| Whitelisted Blocks: | 1 |
| Unknown Blocks: | 2 |
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.AL
- MSIL.Downloader.Agent.PF
- MSIL.Krypt.YAE
- MSIL.Krypt.YAF
- MSIL.Krypt.YEBB
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- MSIL.Krypt.YEBF
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\downloads\roblox.exe | Generic Write,Read Attributes |
| c:\users\user\downloads\roblox.exe | Synchronize,Write Attributes |
| c:\users\user\downloads\work-ink-offer-sdk.dll | Generic Write,Read Attributes |
| c:\users\user\downloads\work-ink-offer-sdk.dll | Synchronize,Write 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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| Anti Debug |
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