Trojan.MSIL.Krypt.YDA
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: | 22,093 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 158 |
| First Seen: | April 23, 2021 |
| Last Seen: | June 4, 2026 |
| OS(es) Affected: | Windows |
The detection of Trojan.MSIL.Krypt.YDA 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.YDA?
Trojan.MSIL.Krypt.YDA is a type of Trojan horse malware, which is a broad category of malicious software that disguises itself as legitimate programs or files to gain unauthorized access to a computer system. The name suggests it may be related to encryption or cryptography, but without specific details, it's crucial to approach removal with a general understanding of malware behavior and removal best practices.
How Trojan.MSIL.Krypt.YDA Operates
Trojan horses like Trojan.MSIL.Krypt.YDA typically operate by deceiving users into installing them, often by masquerading as useful software or attachments in emails. Once installed, they can perform a variety of malicious actions, including but not limited to, stealing personal data, installing additional malware, or providing backdoor access to hackers. The specific operations of Trojan.MSIL.Krypt.YDA would depend on its design and the intentions of its creators, which can vary widely.
Symptoms of Infection
Symptoms of a Trojan 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 programs starting automatically. In some cases, there may be no noticeable symptoms at all, making regular system checks and scans crucial for early detection. If you suspect your system has been compromised, it's vital to act quickly to minimize potential damage.
How to Remove Trojan.MSIL.Krypt.YDA
- Enter Safe Mode with Networking: This will help prevent the malware from spreading or interfering with the removal process. Restart your computer and press the key to enter safe mode (this varies by operating system but is often F8 or Shift+F8).
- Conduct a Full Scan: Use a reputable anti-malware tool, such as SpyHunter, to perform a full system scan. This can help identify and remove the malware and any associated files or programs.
- Uninstall Suspicious Programs: Review your installed programs and remove any that you do not recognize or that were installed around the time of the suspected infection.
- Reset Your Browser: If your web browser (such as Chrome, Firefox, or Edge) has been affected, resetting it to its default settings can help remove any malicious extensions or settings changes. Be aware that this will also remove any saved passwords and extensions you have installed.
- Reboot and Re-scan: After completing the above steps, restart your computer and run another full scan with your anti-malware tool to ensure that the threat has been fully removed.
Conclusion
Removing Trojan.MSIL.Krypt.YDA requires careful and immediate action to protect your system and data. By following the steps outlined above and maintaining good cybersecurity practices, such as regularly updating your operating system and software, using strong antivirus protection, and being cautious with emails and downloads, you can significantly reduce the risk of future infections. Remember, prevention and vigilance are key to safeguarding your digital security in an ever-evolving landscape of cyber threats.
Analysis Report
General information
| Family Name: | Trojan.MSIL.Krypt.YDA |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
f5857e61c42e5a21342ad77eb06c4584
SHA1:
45787a110103329d275e4e9390d42ca7b13d609a
SHA256:
C1B97D19B047315225C7636ACB03F53DEE117D5A0D9C78557CBE3FEDA2B01E43
File Size:
1.77 MB, 1766503 bytes
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MD5:
a5b1c562e23c78f337b030c0831b671d
SHA1:
1c15961067e4715e6216eb5961dcb2c17cad52f1
SHA256:
1FFA8FB638A1D978ED70F3BFC0161F172F1E593516C4A9B46A8C388C29FD56C5
File Size:
1.69 MB, 1687698 bytes
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MD5:
4e4e4b8e2056dd8edbf641a4a573ce68
SHA1:
112d004aa638811e2c286a83da3376a2276cb490
SHA256:
BA1D8D6AE11D2A9F30ACAE9637935F292C6F3255069F1FB7AEC8751CBA946AA9
File Size:
1.55 MB, 1549824 bytes
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MD5:
0c9dbe896a7b96d040d620340471a9fd
SHA1:
0f56d50bbc6de317059ca93c59bd68a41c2bf559
SHA256:
302C7220DE8E1FFFB16D1E90363C1D65CEDE694003FB314E662D6C1A66A3282D
File Size:
1.69 MB, 1687751 bytes
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MD5:
fd0fac82dd01688bf2f4aaba0a9e5607
SHA1:
3047f9cc0e62ca99339c479f8017ff8458c4636b
SHA256:
7D075EB59D92C23A917EBF3388301763692B32E42D421FAC0A34C63AC7D54249
File Size:
1.74 MB, 1737815 bytes
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MD5:
20c6483fc085fdc69e5b2cad4a286315
SHA1:
f988f208aaeb80a102b8450921718143c891f738
SHA256:
B62E1A7F708BAEFF4C4E1D690AB292FDC91FC9B5AF78FD083860810966AF283A
File Size:
944.80 KB, 944803 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 relocations information
- File doesn't have security information
- File has exports table
- File is .NET application
- File is 32-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
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- File is Native application (NOT .NET application)
- File is not packed
- 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 | 1.0.0.0 |
| File Description | SMC TEAM |
| File Version |
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| Internal Name |
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| Legal Copyright | Copyright © 2024 |
| Original Filename |
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| Product Name |
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| Product Version |
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File Traits
- .NET
- Agile.net
- Fody
- GenKrypt
- Goliath
- HighEntropy
- Reactor
- RijndaelManaged
- SmartAssembly
- x64
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- x86
- Yano
- ZYXDN
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:\program files\common files\system\symsrv.dll | Generic Write,Read Attributes |
| c:\users\user\downloads\__tmp_rar_sfx_access_check_11750718 | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\downloads\alseery-unlocker-pro.exe | Generic Write,Read Attributes |
| c:\users\user\downloads\alseery-unlocker-pro.exe | Synchronize,Write Attributes |
| c:\users\user\downloads\mss32.dll.vbs | Generic Write,Read Attributes |
| c:\users\user\downloads\mss32.dll.vbs | Synchronize,Write Attributes |
| c:\users\user\downloads\scripts.ps1 | Generic Write,Read Attributes |
| c:\users\user\downloads\scripts.ps1 | Synchronize,Write 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\explorer::slowcontextmenuentries | `$�!�:i�� +00�� � Gs]XM��� "�2� � FX D�' :D��exA-� ��y g���� �O� 6 | RegNtPreCreateKey |
| HKCU\local settings\muicache\17\52c64b7e::@c:\windows\system32\wshext.dll,-4511 | Open &with Command Prompt | RegNtPreCreateKey |
| HKCU\local settings\software\microsoft\windows\shell\muicache::c:\windows\system32\wscript.exe.friendlyappname | Microsoft ® Windows Based Script Host | RegNtPreCreateKey |
| HKCU\local settings\software\microsoft\windows\shell\muicache::c:\windows\system32\wscript.exe.applicationcompany | Microsoft Corporation | 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 |
|---|---|
| Other Suspicious |
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| User Data Access |
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| Anti Debug |
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| Encryption Used |
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| Keyboard Access |
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