Threat Database Trojans Trojan.MSIL.Krypt.ZGBV

Trojan.MSIL.Krypt.ZGBV

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 10
First Seen: September 20, 2024
Last Seen: January 4, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Krypt.ZGBV 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. The presence of Trojan.MSIL.Krypt.ZGBV on your system suggests that you should take immediate action to protect your personal data and system integrity.

What Is Trojan.MSIL.Krypt.ZGBV?

Trojan.MSIL.Krypt.ZGBV is a type of malware that can infect your computer and cause various problems. The name itself does not provide specific information about the malware's functionality or its creator, but it is clear that it is designed to operate stealthily and potentially cause harm. Trojans like Trojan.MSIL.Krypt.ZGBV can be used for a variety of malicious purposes, including data theft, spyware, and ransomware. It is essential to understand that Trojans are often distributed through deceptive means, such as fake software downloads, infected email attachments, or exploited vulnerabilities in software.

How Trojan.MSIL.Krypt.ZGBV Operates

The exact operation of Trojan.MSIL.Krypt.ZGBV is not specified, but Trojans typically work by establishing a connection with a command and control server, which allows the malware to receive instructions and transmit stolen data. They can also create backdoors, allowing hackers to access the infected system remotely. Additionally, Trojans might modify system settings, disable security software, or install additional malware to further compromise the system. The primary goal of a Trojan is often to remain undetected for as long as possible while it carries out its malicious activities.

Symptoms of Infection

Identifying a Trojan.MSIL.Krypt.ZGBV infection can be challenging due to its stealthy nature. However, common symptoms of a Trojan infection include slow system performance, frequent crashes, and unusual network activity. You might also notice unfamiliar programs or toolbars in your browser, unexpected changes to your system settings, or pop-ups and other unwanted advertisements. In some cases, Trojans can lead to more severe issues, such as data loss or unauthorized access to sensitive information.

How to Remove Trojan.MSIL.Krypt.ZGBV

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for internet access. This will make it easier to download and install removal tools.
  2. Download and run a full scan with a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated with the latest definitions to increase the chances of detecting and removing Trojan.MSIL.Krypt.ZGBV.
  3. Uninstall any suspicious programs that you do not recognize or that were installed around the time the infection was detected. Be cautious and only remove programs you are certain are not necessary for your system's operation.
  4. Reset your web browsers (Chrome, Firefox, Edge) to their default settings. This can help remove any malicious extensions or settings that the Trojan might have altered.
  5. Reboot your computer and run another full scan with your anti-malware tool to ensure that all components of the Trojan have been removed. Repeat this process until no more threats are detected.

Conclusion

The detection and removal of Trojan.MSIL.Krypt.ZGBV require careful attention to detail and a systematic approach to ensure that all malicious components are eliminated. It is crucial to stay vigilant and keep your security software up to date to prevent future infections. Regularly backing up important data and being cautious when downloading software or opening email attachments can also help protect against malware threats. By understanding the nature of Trojans and taking proactive steps, you can significantly reduce the risk of your system being compromised by malicious software like Trojan.MSIL.Krypt.ZGBV.

Analysis Report

General information

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

Known Samples

MD5: c38dcef3cd9c061714769cfb3d34a643
SHA1: e52db58b4c20168cf0a1671e356bd37e409d779f
SHA256: E0BC718905ED8F421EE18B5386BABD709112A2F47E3001F4BA33003FB7D11E49
File Size: 1.66 MB, 1655296 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 relocations information
  • File doesn't have security information
  • File is .NET application
  • File is 64-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is not packed
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  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Icons

Windows PE Version Information

Name Value
Assembly Version 4.8.0.0
File Version 4.8.0.0
Internal Name Cykpsb.exe
Original Filename Cykpsb.exe
Product Version 4.8.0.0

File Traits

  • .NET
  • GenKrypt
  • HighEntropy
  • x64

Block Information

Total Blocks: 71
Potentially Malicious Blocks: 7
Whitelisted Blocks: 6
Unknown Blocks: 58

Visual Map

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

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • 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
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  • ntdll.dll!NtClose
  • 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!NtDuplicateToken
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFlushProcessWriteBuffers
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtGetCachedSigningLevel
  • ntdll.dll!NtGetContextThread
  • ntdll.dll!NtGetWriteWatch
  • 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!NtReleaseMutant
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtResetWriteWatch
  • 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!NtSuspendThread
  • 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
  • GetUserDefaultLocaleName
  • GetUserName
  • GetUserObjectInformation
Encryption Used
  • BCryptOpenAlgorithmProvider
  • CryptAcquireContext
Other Suspicious
  • AdjustTokenPrivileges
Anti Debug
  • IsDebuggerPresent

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