Trojan.MSIL.Krypt.YACF
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: | 26,406 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 1 |
| First Seen: | November 4, 2025 |
| Last Seen: | April 28, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Krypt.YACF on your system indicates a potential security threat that requires immediate attention. This type of threat is generally categorized as a Trojan, which is a broad term for malicious software that can cause harm to your computer or steal sensitive information. It is essential to understand the nature of this threat and take necessary steps to remove it from your system to prevent any further damage.
Table of Contents
What Is Trojan.MSIL.Krypt.YACF?
Trojan.MSIL.Krypt.YACF is a type of malware that can infect your computer and potentially cause harm. The name itself does not specify a particular malware family, but it suggests that it is a Trojan-type threat. Trojans are known for their ability to disguise themselves as legitimate software, making them difficult to detect. They can be used for various malicious purposes, including stealing sensitive information, installing additional malware, or providing unauthorized access to your computer.
How Trojan.MSIL.Krypt.YACF Operates
Once installed on your system, Trojan.MSIL.Krypt.YACF can operate in various ways, depending on its intended purpose. It may attempt to connect to a command and control server to receive instructions or transmit stolen data. In some cases, it may also try to install additional malware or create backdoors to allow other malicious software to enter your system. The exact operation of Trojan.MSIL.Krypt.YACF can vary, but its primary goal is to compromise your system's security and potentially cause harm.
Symptoms of Infection
Identifying the symptoms of a Trojan.MSIL.Krypt.YACF infection can be challenging, as it may not always exhibit obvious signs. However, some common indicators of a malware infection include slow system performance, frequent crashes, or unexpected behavior. You may also notice unfamiliar programs or icons on your desktop, or receive unexpected pop-ups or alerts. If you suspect that your system is infected, it is crucial to take immediate action to remove the threat and prevent any further damage.
- Slow system performance or frequent crashes
- Unfamiliar programs or icons on your desktop
- Unexpected pop-ups or alerts
- Unexplained changes to your system settings or configuration
How to Remove Trojan.MSIL.Krypt.YACF
- Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow you to download and install removal tools.
- Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove the Trojan.MSIL.Krypt.YACF malware.
- Uninstall any suspicious programs or software that may be related to the malware infection.
- 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 full scan to ensure that the malware has been completely removed.
Conclusion
Removing Trojan.MSIL.Krypt.YACF from your system requires careful attention and a thorough approach. By following the steps outlined above and using reputable anti-malware tools, you can help ensure that your system is clean and secure. It is also essential to practice good security habits, such as regularly updating your software, using strong passwords, and being cautious when downloading or installing new programs. By taking these precautions, you can reduce the risk of future malware infections and protect your sensitive information from potential threats.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Krypt.YACF |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
0905c78e7d4c841fe5b1f068f275cb90
SHA1:
1239f0ea391c8c5dada65964db42a1159488228b
SHA256:
2333550D5B9A3CAA1349F48BD37304F1D87E634B71EEA9E441B0BFB45C45321F
File Size:
2.32 MB, 2318848 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 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)
Show More
- 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 | 1.0.0.0 |
| Company Name | Microsoft |
| File Description | Wireless Workshop SPC Reader |
| File Version | 1.0.0.0 |
| Internal Name | WWSpcReader.exe |
| Legal Copyright | Copyright © Microsoft 2012 |
| Original Filename | WWSpcReader.exe |
| Product Name | Wireless Workshop SPC Reader |
| Product Version | 1.0.0.0 |
File Traits
- .NET
- HighEntropy
- 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: | 561 |
|---|---|
| Potentially Malicious Blocks: | 192 |
| Whitelisted Blocks: | 258 |
| Unknown Blocks: | 111 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
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 |
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| Encryption Used |
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