Threat Database Trojans Trojan.MSIL.Krypt.GBBVG

Trojan.MSIL.Krypt.GBBVG

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 22,901
Threat Level: 80 % (High)
Infected Computers: 238
First Seen: September 15, 2022
Last Seen: May 10, 2026
OS(es) Affected: Windows

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

What Is Trojan.MSIL.Krypt.GBBVG?

Trojan.MSIL.Krypt.GBBVG is a type of malware that has been detected on your system. The name suggests it is a Trojan-type threat, which is a broad category of malware that can perform a variety of malicious actions. Trojans are often designed to appear as legitimate software, but they can cause significant harm to your system and compromise your personal data.

How Trojan.MSIL.Krypt.GBBVG Operates

Malware like Trojan.MSIL.Krypt.GBBVG typically operates by exploiting vulnerabilities in software or tricking users into installing it. Once installed, it can connect to remote servers to download additional malicious components, steal sensitive information, or disrupt system operation. The exact mechanisms used by Trojan.MSIL.Krypt.GBBVG are not specified, but it is essential to take immediate action to prevent further damage.

Symptoms of Infection

Symptoms of a Trojan infection can vary widely, depending on the specific goals of the malware. Common signs include unexpected changes to system settings, appearance of unwanted programs or toolbars, slow system performance, and unexpected pop-ups or advertisements. In some cases, the infection may not exhibit noticeable symptoms, making it crucial to rely on antivirus software for detection.

  • Unexplained changes to system settings or files
  • Appearance of unwanted software or browser extensions
  • Slow system performance or frequent crashes
  • Unwanted pop-ups, advertisements, or spam emails

How to Remove Trojan.MSIL.Krypt.GBBVG

  1. Enter Safe Mode with Networking to prevent the malware from interfering with the removal process. This will allow you to use the internet to download removal tools if necessary.
  2. Perform a full scan of your system using a reputable antivirus tool, such as SpyHunter, to detect and remove all components of the malware.
  3. Uninstall any suspicious programs or software that you do not recognize or that were installed around the time of the infection.
  4. Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings changes.
  5. Reboot your system and perform another full scan with your antivirus software to ensure that all malware components have been removed.

Conclusion

Removing Trojan.MSIL.Krypt.GBBVG requires careful and thorough steps to ensure that all components of the malware are eliminated from your system. By following the removal guide provided, you can help protect your system and personal data from further harm. It is also essential to maintain good security practices, such as keeping your operating system and software up to date, using strong antivirus protection, and being cautious when installing new software or clicking on links from unknown sources.

Analysis Report

General information

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

Known Samples

MD5: 59676fb2ec5d06fad870f9652734cfed
SHA1: db6363dd79e8c60faeacb993307267c5051d4bc9
SHA256: C954F69F328F68C56ADFCE0CC4CC5D05BFD903CC176DBF4F45D51466C0890194
File Size: 1.16 MB, 1155584 bytes
MD5: 1201c34a22bc966b3829a65d17b80a42
SHA1: cd9dd9b216351a9d7a48e6aeb9021329d68b46df
SHA256: A718AEB616915DBD624C61A0C786D785CB0EFBF4A5B68FFECA3456FD19B2FC56
File Size: 2.07 MB, 2073088 bytes
MD5: b3eaa7e8407f7d3bea466c7194028300
SHA1: a9c65aadf259af618df2693c76f30109e2dd3a38
SHA256: 749A28C10AE3FA0A88214F738E60F894FB244CB7DFB8ADE27CAE001066EC13A7
File Size: 866.82 KB, 866816 bytes
MD5: 232848e8c7a64c764b78962b83a66863
SHA1: 191dfefb2037cc770fc88a18873a0d2d41b0780b
SHA256: 69AF3E3BCDA5218C4F0D229CE8F388917ED0B5C032688D6CE2BB106EAFE6DFC2
File Size: 2.06 MB, 2061312 bytes
MD5: 25ab39fcae32bef44dc33f5df33a4b23
SHA1: 56d67b8c10f90e57fbbe3a9690184e3e0516e885
SHA256: 02F0681DF118F92D03B8CB54725F304918E53885FBBDA7EAF9847A43609809A9
File Size: 1.52 MB, 1524736 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 32-bit executable
  • File is 64-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
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  • 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

Windows PE Version Information

Name Value
Assembly Version
  • 8.14.0.0
  • 1.4.7.0
  • 1.0.0.0
File Description
  • DDDL_Activator
  • loader
  • XYNOUNLOCKBOOTLOADER
File Version
  • 8.14.0.0
  • 2.5.6.0
  • 1.0.0.0
Internal Name
  • adsrt.exe
  • bvcdr.exe
  • DDDL_Activator.exe
  • loader.exe
  • WWAuth.exe
Legal Copyright
  • Copyright © 2021
  • Copyright © 2023
  • Copyright © 2024
Original Filename
  • adsrt.exe
  • bvcdr.exe
  • DDDL_Activator.exe
  • loader.exe
  • WWAuth.exe
Product Name
  • CatherineXoa
  • DDDL_Activator
  • loader
Product Version
  • 8.14.0.0
  • 2.5.6.0
  • 1.0.0.0

File Traits

  • .NET
  • 2+ executable sections
  • HighEntropy
  • NewLateBinding
  • ntdll
  • RijndaelManaged
  • x64
  • x86

Block Information

Total Blocks: 505
Potentially Malicious Blocks: 23
Whitelisted Blocks: 141
Unknown Blocks: 341

Visual Map

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ? ? 0 0 0 0 ? ? ? ? ? ? ? ? ? x x 0 ? ? 0 0 x ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? x ? ? ? ? x ? x ? ? ? ? 0 ? ? x ? x ? x ? ? ? ? ? ? ? ? ? ? ? ? ? ? x ? ? ? ? ? ? 0 ? ? ? ? 0 ? ? ? ? ? ? ? ? 0 0 0 0 0 0 0 0 0 0 0 0 0 x 0 0 0 0 0 0 0 0 0 0 ? ? ? 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ? 0 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 0 ? 0 ? ? ? ? ? ? ? ? ? ? ? ? 0 ? ? ? 0 ? ? 0 ? ? ? ? ? 0 ? ? ? ? ? ? ? ? ? 0 ? ? ? ? ? 0 x 0 ? ? ? ? ? ? 0 ? ? ? ? 0 0 0 ? ? ? ? ? ? ? ? ? ? ? ? ? ? 0 ? ? ? ? 0 ? ? ? ? ? ? ? ? 0 ? ? ? ? ? ? ? ? ? ? ? ? 0 0 ? ? 0 ? 0 ? ? ? ? 0 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 0 ? ? ? ? ? ? ? ? 0 ? ? ? 0 ? ? ? ? ? ? 0 ? ? ? 0 0 0 ? ? x ? 0 ? ? 0 0 0 ? ? ? ? ? ? ? 0 ? 0 ? 0 ? ? 0 ? ? 0 ? 0 0 0 ? ? ? ? ? 0 0 0 ? ? ? 0 0 0 0 0 0 ? 0 ? ? x ? ? ? ? ? ? ? ? 0 ? ? ? 0 0 ? ? ? ? 0 0 x 0 ? ? ? ? ? ? ? ? ? ? ? ? x ? 0 ? ? ? 0 ? 0 ? ? ? ? ? ? ? ? ? 0 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 0 ? ? ? ? ? ? x ? 0 ? x x x x x x 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!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateThreadEx
Show More
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFlushProcessWriteBuffers
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtGetContextThread
  • ntdll.dll!NtGetWriteWatch
  • 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!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!NtResetWriteWatch
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtSuspendThread
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • 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
  • GetUserObjectInformation
Other Suspicious
  • AdjustTokenPrivileges

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