Trojan.MSIL.Krypt.YACE
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: | 4 |
| First Seen: | October 28, 2025 |
| Last Seen: | November 27, 2025 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Krypt.YACE indicates that your system has been compromised by a potentially malicious program. This type of threat is designed to infiltrate and damage your computer, often without your knowledge or consent. It's essential to understand the nature of this threat and take immediate action to remove it and prevent further harm.
Table of Contents
What Is Trojan.MSIL.Krypt.YACE?
Trojan.MSIL.Krypt.YACE is a type of Trojan horse malware, which is a broad category of malicious software that disguises itself as legitimate programs. The name "Trojan" refers to the fact that this malware often enters a system by masquerading as a harmless or useful application. The ".MSIL" part of the name suggests that the malware is written in Microsoft Intermediate Language, which is a programming language used by the .NET Framework. The "Krypt" and "YACE" parts of the name may indicate that the malware has encryption or other advanced capabilities.
How Trojan.MSIL.Krypt.YACE Operates
Once installed on a system, Trojan.MSIL.Krypt.YACE can operate in various ways, depending on its intended purpose. Some common behaviors of Trojan horse malware include stealing sensitive information, such as passwords or credit card numbers, installing additional malware, or providing a backdoor for remote access to the infected system. Trojan.MSIL.Krypt.YACE may also attempt to evade detection by anti-virus software or other security measures, making it challenging to remove.
Symptoms of Infection
Systems infected with Trojan.MSIL.Krypt.YACE may exhibit a range of symptoms, including slow performance, frequent crashes, or unusual network activity. You may also notice that your system is behaving erratically or that certain programs are not functioning correctly. In some cases, the malware may not produce any noticeable symptoms, making it difficult to detect without the aid of anti-virus software.
- Unexplained changes to system settings or configuration
- Appearance of unfamiliar programs or icons
- Increased network activity or unusual traffic patterns
- System crashes or freezes
- Slow system performance or responsiveness
How to Remove Trojan.MSIL.Krypt.YACE
- Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for internet access.
- Use a reputable anti-virus tool, such as SpyHunter, to perform a full scan of your system and detect any malware or other threats.
- Uninstall any suspicious programs or applications that may be related to the malware.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
- Reboot your system and perform another scan to ensure that the malware has been completely removed.
Conclusion
Removing Trojan.MSIL.Krypt.YACE from your system requires careful attention to detail and a thorough understanding of the malware's behavior. By following the steps outlined above and using reputable anti-virus software, you can help to ensure that your system is free from this and other types of malware. Remember to always be cautious when downloading and installing software, and to keep your operating system and security software up to date to prevent future infections.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Krypt.YACE |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
fe52552059b8137a41f9435aad7903a7
SHA1:
15ea5e6680d9725efd9eb34440b97e09443ec9a4
SHA256:
5B19FD8FAF5D00D8767F15B918A246D4C0327F277D9606EBAFBC57AA252431A4
File Size:
1.40 MB, 1397248 bytes
|
|
MD5:
3499191a58848b734f309164307dead3
SHA1:
207b71030c5d7fdc8974a87b940893fa60ae7bdf
SHA256:
6124803FBB4B0976023C2B5CB867B0443B3DF9FE14F44753B5F8B5093235D243
File Size:
1.63 MB, 1633792 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 security information
- File is .NET application
- File is 32-bit executable
- File is 64-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is not packed
Show More
- 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 |
|---|---|
| Assembly Version |
|
| File Description |
|
| File Version |
|
| Internal Name |
|
| Legal Copyright |
|
| Original Filename |
|
| Product Name |
|
| Product Version |
|
File Traits
- .NET
- HighEntropy
- msil.krypt
- x64
- 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: | 1,483 |
|---|---|
| Potentially Malicious Blocks: | 626 |
| Whitelisted Blocks: | 853 |
| Unknown Blocks: | 4 |
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.Krypt.YACE
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\local\temp\adaa4fbc41\lymmqeui.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144 |
| c:\windows\tasks\lymmqeui.job | 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 | |
| HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc3475 | �� xy �ރ ��^ ��z eeQ Vs} kP~ ��1 > �� e e�� � ��1 �� f e�� i s e�� r � � s e�� u e�� v e�� { e�� | 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 |
|---|---|
| User Data Access |
|
| Encryption Used |
|
| Anti Debug |
|
| Other Suspicious |
|
| Syscall Use |
Show More
|
| Process Manipulation Evasion |
|
