Threat Database Trojans Trojan.MSIL.Krypt.UJC

Trojan.MSIL.Krypt.UJC

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 3
First Seen: March 29, 2023
Last Seen: March 20, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Krypt.UJC on your system indicates a potential security threat that requires immediate attention. This report provides an overview of the threat, its operation, symptoms, and steps to remove it from your computer.

What Is Trojan.MSIL.Krypt.UJC?

Trojan.MSIL.Krypt.UJC is a type of malware that can compromise the security and integrity of your system. The name suggests it is a Trojan, which is a broad category of malicious software that can perform a variety of harmful actions. Trojans are often designed to allow unauthorized access to a computer, steal sensitive information, or disrupt system operation. Understanding the nature of this threat is crucial for taking appropriate measures to protect your system and data.

How Trojan.MSIL.Krypt.UJC Operates

Malware like Trojan.MSIL.Krypt.UJC typically operates by exploiting vulnerabilities in software or tricking users into installing it. Once installed, it can execute a range of malicious activities, including but not limited to, data theft, keystroke logging, and unauthorized access to system resources. It may also communicate with its command and control servers to receive updates or transmit stolen data. The exact operation can vary widely depending on the specific goals of the malware authors.

Symptoms of Infection

Symptoms of a Trojan.MSIL.Krypt.UJC 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 frequent crashes. You might also notice unfamiliar programs or toolbars in your browser, or find that your browser's homepage has been changed without your consent. In some cases, the malware may operate stealthily, making it difficult to detect without the aid of security software.

How to Remove Trojan.MSIL.Krypt.UJC

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for easier removal.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all traces of the malware.
  3. Uninstall any suspicious programs or applications that you do not recognize or that were installed around the time the malware was detected.
  4. Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or changes made by the malware.
  5. Reboot your computer and perform another scan with your anti-malware tool to ensure that all components of the malware have been removed.

Conclusion

Removing Trojan.MSIL.Krypt.UJC from your system requires careful and thorough action to ensure all components are eliminated. It's also essential to take preventive measures to avoid future infections, such as keeping your operating system and software up to date, using strong antivirus protection, and being cautious when opening email attachments or downloading software from the internet. By following the steps outlined in this report and maintaining good security practices, you can help protect your system and data from malware threats like Trojan.MSIL.Krypt.UJC.

Analysis Report

General information

Family Name: Trojan.MSIL.Krypt.UJC
Signature status: No Signature

Known Samples

MD5: f503b3b03409ce706b36477cae758b56
SHA1: 9794943bf2c0ffc251f043e4a84c1a87cdfa8946
SHA256: 4B6EB0B8C7F76AF44AB8FE51DBA51A873ADC448A32BC59321098F04C2A1A6DC3
File Size: 263.17 KB, 263168 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)
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  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

Windows PE Version Information

Name Value
Assembly Version 1.0.0.0
File Version 1.0.0.0
Internal Name Xeno.exe
Original Filename Xeno.exe
Product Version 1.0.0.0

File Traits

  • .NET
  • HighEntropy
  • RijndaelManaged
  • x86

Block Information

Total Blocks: 18
Potentially Malicious Blocks: 6
Whitelisted Blocks: 12
Unknown Blocks: 0

Visual Map

0 0 0 0 0 0 0 0 0 0 0 0 x x x x x x
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • MSIL.Agent.KAB
  • MSIL.Cerbu.C
  • MSIL.Dropper.XF
  • MSIL.Inject.YT
  • MSIL.Krypt.SEA
Show More
  • MSIL.Kryptik.XC

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtEnumerateKey
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  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcess
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDefaultLocale
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryFullAttributesFile
  • ntdll.dll!NtQueryInformationFile
  • ntdll.dll!NtQueryInformationJobObject
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryLicenseValue
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetComputerNameEx
  • GetUserObjectInformation

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