Threat Database Trojans Trojan.MSIL.Krypt.VDB

Trojan.MSIL.Krypt.VDB

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 18,371
Threat Level: 80 % (High)
Infected Computers: 19
First Seen: November 8, 2021
Last Seen: June 15, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Krypt.VDB indicates that your system has been compromised by a potentially malicious program. This type of threat is generally categorized as a Trojan, which is a broad term for malware that disguises itself as legitimate software. Trojans can have various functions, including data theft, unauthorized access, and disruption of system operations. It is essential to address this issue promptly to prevent further damage and protect your sensitive information.

What Is Trojan.MSIL.Krypt.VDB?

Trojan.MSIL.Krypt.VDB is a type of malware that has been identified as a threat to computer systems. The name suggests it may be related to MSIL (Microsoft Intermediate Language), which is a part of the .NET framework, but without more specific information, it's difficult to determine its exact nature or purpose. Trojans like this one can be designed to perform a wide range of malicious activities, from stealing personal data to using the infected computer as part of a botnet for distributed denial-of-service attacks.

How Trojan.MSIL.Krypt.VDB Operates

Malware such as Trojan.MSIL.Krypt.VDB typically operates by exploiting vulnerabilities in software or tricking users into installing it. Once installed, it can run in the background, hidden from the user, and communicate with its command and control servers to receive instructions or send stolen data. The specific operations of Trojan.MSIL.Krypt.VDB are not detailed in this report, but it's known that Trojans can adapt and evolve over time, making them challenging to detect and remove.

Symptoms of Infection

Systems infected with Trojan.MSIL.Krypt.VDB may exhibit a variety of symptoms, although some infections may not display any noticeable signs. Common indicators of a Trojan infection include slow system performance, frequent crashes, unexpected pop-ups, and unfamiliar programs or icons. Additionally, if the malware is designed for data theft, users might notice unauthorized transactions or suspicious activity on their online accounts. Since Trojans can be highly stealthy, relying on antivirus software for detection is often necessary.

How to Remove Trojan.MSIL.Krypt.VDB

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

Conclusion

The removal of Trojan.MSIL.Krypt.VDB requires careful and thorough steps to ensure that all components of the malware are eliminated from the system. After removal, it's crucial 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 understanding how Trojans operate and taking proactive steps, you can significantly reduce the risk of your system being compromised by malware like Trojan.MSIL.Krypt.VDB.

Analysis Report

General information

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

Known Samples

MD5: 2cbaf81b97b9b95947e41f231d9ababd
SHA1: 14f4f3de581bf9e0ad0c0d8808553d44648faaba
SHA256: BB09C572CA05D65C6ACC9B7EAAE6595EAED43C6285AF21F8312ADEA068039A75
File Size: 91.90 KB, 91904 bytes
MD5: 2be2f6778afabffc021d800911d0c8e0
SHA1: 938cdfa6115172dfacb390edf082f48ac276f455
SHA256: DDCA0EFEABAC1C7A593DCFDA8CE5EF125DAC4CDEA2FF64AD38E2D6DB69BDD6C7
File Size: 49.15 KB, 49152 bytes
MD5: f26d0eac88e6170012edf688fb7a902b
SHA1: 9f0d2eaeb1bd5d8771e965376cbaf23d78e8c03a
SHA256: B82AFFA188315DBB45A7392BF2DEE1A9B166E10A87371C673F7BC0EBAD2CC527
File Size: 51.20 KB, 51200 bytes
MD5: eb38d8a73ab8e3b764bb5801bc5f442d
SHA1: 778a316f73847f8aa366a15b771d4afceb681a57
SHA256: 58BA72CE7DFD9166E3ABF498568E49A32C19A7C2760F813D883CCF04A5B706A9
File Size: 1.60 MB, 1598976 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

Name Value
Assembly Version
  • 10.0.17763.1
  • 1.0.0.0
Comments CxApp
Company Name
  • CxApp
  • Microsoft Corporation
File Description
  • Client
  • CxApp
  • DDODiag is a tool that collects Device Display Object (DDO) information from the system and logs it
File Version
  • 10.0.17763.1
  • 1.0.0.0
Internal Name
  • Client.exe
  • DDODiag
  • Stub.exe
Legal Copyright
  • Copyright © 2024
  • Copyright © CxApp 2025
  • © Microsoft Corporation. All rights reserved.
Legal Trademarks CxApp
Original Filename
  • Client.exe
  • DDODiag
  • Stub.exe
Product Name
  • Client
  • CxApp
  • Microsoft® Windows® Operating System
Product Version
  • 10.0.17763.1
  • 1.0.0.0

Digital Signatures

Signer Root Status
JetBrains s.r.o. SSL.com EV Root Certification Authority RSA R2 Hash Mismatch

File Traits

  • .NET
  • Agile.net
  • Fody
  • HighEntropy
  • ntdll
  • Run
  • WriteProcessMemory
  • x86

Block Information

Total Blocks: 172
Potentially Malicious Blocks: 97
Whitelisted Blocks: 47
Unknown Blocks: 28

Visual Map

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

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcConnectPortEx
  • ntdll.dll!NtAlpcQueryInformation
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtAssociateWaitCompletionPacket
  • ntdll.dll!NtCancelTimer2
  • ntdll.dll!NtCancelWaitCompletionPacket
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
Show More
  • ntdll.dll!NtCompareSigningLevels
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateIoCompletion
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtCreateTimer2
  • ntdll.dll!NtCreateWaitCompletionPacket
  • ntdll.dll!NtCreateWorkerFactory
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFlushProcessWriteBuffers
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtGetCachedSigningLevel
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtNotifyChangeKey
  • 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!NtQueryInformationThread
  • 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!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSetTimer2
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtUnsubscribeWnfStateChange
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForMultipleObjects
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtYieldExecution
  • UNKNOWN
User Data Access
  • GetComputerNameEx
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Anti Debug
  • IsDebuggerPresent
Encryption Used
  • BCryptOpenAlgorithmProvider
  • CryptAcquireContext

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