Trojan.MSIL.Krypt.VAA
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: | 3,359 |
| First Seen: | January 3, 2013 |
| Last Seen: | December 12, 2025 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Krypt.VAA on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to infiltrate and compromise your computer, potentially leading to unauthorized access, data theft, and other malicious activities. It is essential to understand the nature of this threat and take prompt action to remove it and protect your system.
Table of Contents
What Is Trojan.MSIL.Krypt.VAA?
Trojan.MSIL.Krypt.VAA is a type of Trojan horse malware, which is a broad category of malicious software that disguises itself as legitimate programs. The name suggests it may be related to the .NET framework (MSIL stands for Microsoft Intermediate Language) and could involve encryption or cryptographic functions (Krypt), but without specific details, it's crucial to focus on general principles of malware removal and system protection.
How Trojan.MSIL.Krypt.VAA Operates
Trojan horses like Trojan.MSIL.Krypt.VAA typically operate by deceiving users into installing them, often by masquerading as useful software or attachments. Once installed, they can perform a variety of malicious functions, including but not limited to, stealing personal data, installing additional malware, providing unauthorized access to the infected system, and disrupting system operation. The specific operations of Trojan.MSIL.Krypt.VAA would depend on its design and the intentions of its creators, but the general approach to mitigation remains consistent with other Trojans.
Symptoms of Infection
Symptoms of a Trojan infection can vary widely but may include unexpected changes to your system, such as new programs or icons appearing, unusual network activity, slow system performance, and unexpected pop-ups or alerts. Sometimes, infections may not exhibit obvious symptoms, making regular system scans with anti-malware tools crucial for detection.
How to Remove Trojan.MSIL.Krypt.VAA
- 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 operation of most malware.
- 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 increase the chances of detecting and removing the malware.
- Uninstall any recently installed programs that you do not recognize or no longer need. Be cautious and review each program carefully to avoid removing necessary system components.
- Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help remove any malicious extensions or settings that the malware might have installed.
- Reboot your system and run another full scan with your anti-malware tool to ensure that the malware has been completely removed. Repeat this process if the malware is still detected until your system is clean.
Conclusion
Removing Trojan.MSIL.Krypt.VAA and protecting your system from future infections require vigilance and the right tools. By understanding how Trojans operate and following the steps outlined above, you can significantly reduce the risk of infection and keep your system and data safe. Regularly updating your operating system, using strong antivirus software, avoiding suspicious downloads, and being cautious with email attachments are key practices in preventing malware infections. If you're unsure about any part of the removal process, consider consulting with a cybersecurity professional to ensure your system is thoroughly cleaned and protected.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Krypt.VAA |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
0963a72804b90f566eb2754f8c6a3af2
SHA1:
f9423d32e612451cc2e53c2bdf101ad70468827d
SHA256:
16AEAA7EFF91A40984C42066BCE47F17545D9C0478850575741C6AFDD328141F
File Size:
183.30 KB, 183296 bytes
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MD5:
cf07ef9e5dc0a7c386637974c9733cca
SHA1:
5e0c9133eca9b424624b761a27f3812df827704e
SHA256:
E8F58969694B57552D15189F2942B202B57F90D23AE9E068AE7DB0E086EE31A8
File Size:
813.06 KB, 813056 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 |
|---|---|
| Assembly Version | 1.0.0.0 |
| Comments | Space Complexity Calculator |
| File Description | SpaceCalculator |
| File Version | 1.0.0.0 |
| Internal Name | bpNG.exe |
| Legal Copyright | Copyright © 2025 |
| Original Filename | bpNG.exe |
| Product Name | SpaceCalculator |
| Product Version | 1.0.0.0 |
File Traits
- .NET
- HighEntropy
- No Version Info
- 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: | 205 |
|---|---|
| Potentially Malicious Blocks: | 2 |
| Whitelisted Blocks: | 51 |
| Unknown Blocks: | 152 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
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\tmp8964.tmp | Generic Write,Read Attributes |
| c:\users\user\appdata\roaming\bfeb5820-9643-42ad-a79f-071dff4d8e64\run.dat | 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 |
|---|---|
| User Data Access |
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| Encryption Used |
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| Anti Debug |
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| Process Shell Execute |
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| Network Winsock2 |
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| Network Winsock |
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Shell Command Execution
Shell Command Execution
This section lists Windows shell commands that are run by the samples in this family. Windows Shell commands are often leveraged by malware for nefarious purposes and can be used to elevate security privileges, download and launch other malware, exploit vulnerabilities, collect and exfiltrate data, and hide malicious activity.
"schtasks.exe" /create /f /tn "SMTP Subsystem" /xml "C:\Users\Cpinbezc\AppData\Local\Temp\tmp8964.tmp"
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