Threat Database Trojans Trojan.MSIL.Krypt.CG

Trojan.MSIL.Krypt.CG

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 16,229
Threat Level: 80 % (High)
Infected Computers: 28
First Seen: January 25, 2023
Last Seen: June 2, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Krypt.CG on your system indicates a potential security threat that requires immediate attention. This report provides an overview of the threat, its operating mechanisms, symptoms of infection, and a step-by-step guide on how to remove it from your computer.

What Is Trojan.MSIL.Krypt.CG?

Trojan.MSIL.Krypt.CG is identified as a Trojan-type threat, which means it is a type of malware that disguises itself as a legitimate program to gain unauthorized access to a computer system. The name suggests it may involve encryption or cryptic techniques, but without specific details, it's crucial to understand the general behavior of such threats. Trojans are known for their ability to spy on users, steal data, install additional malware, and provide backdoor access to attackers.

How Trojan.MSIL.Krypt.CG Operates

Trojan.MSIL.Krypt.CG, like other Trojans, operates by deceiving users into installing it on their systems. This could be through opening malicious email attachments, downloading infected software, or visiting compromised websites. Once installed, it can perform a variety of malicious activities, including but not limited to, data theft, keylogging, and the installation of other types of malware. The exact mechanisms can vary widely, but the end goal is typically to exploit the infected system for financial gain or to expand the attacker's reach.

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 slow performance, frequent crashes, or the appearance of unwanted programs or toolbars. You might also notice increased network activity, even when you're not using your internet connection, or find that your antivirus software is disabled. In some cases, Trojans can operate without visible symptoms, making regular system scans crucial for detection.

How to Remove Trojan.MSIL.Krypt.CG

  1. Enter Safe Mode with Networking to limit the malware's ability to interfere with the removal process. This can usually be done by restarting your computer and pressing the F8 key repeatedly during startup.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter. Ensure your antivirus software is updated to the latest version to increase the chances of detecting and removing the threat.
  3. Uninstall suspicious programs that you don't recognize or that were installed around the time your system became infected. Use the Control Panel or Settings app to review installed programs and remove anything questionable.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help remove any malicious extensions or settings changes made by the Trojan. You can usually find this option in the browser's settings or preferences menu.
  5. After completing the above steps, reboot your computer and perform another full system scan to ensure the threat has been fully removed. Repeat the scanning process until no threats are detected.

Conclusion

The removal of Trojan.MSIL.Krypt.CG requires careful and thorough steps to ensure your system is completely clean. It's also important 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 emails or downloading software from the internet. By following the guidelines outlined in this report and maintaining good cybersecurity practices, you can protect your system and personal data from similar threats in the future.

Analysis Report

General information

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

Known Samples

MD5: 58b0a9e8e4d2112e8c0c9f80e74f5dea
SHA1: 8ba35d1416b7ec22084fa8c008c300433cad331a
SHA256: 27EDC1BA54BE2387D1FDDBE16D987625A376DA66C78BC5BED9D7A8538EE3EFF8
File Size: 6.57 MB, 6574080 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
Show More
  • 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 2.12.10.19
Comments Ativador KMSpico
File Description Ativador KMSpico
File Version 2.12.10.19
Internal Name Ativador KMSpico.exe
Legal Copyright Ativador KMSpico
Original Filename Ativador KMSpico.exe
Product Name Ativador KMSpico
Product Version 2.12.10.19

File Traits

  • .NET
  • HighEntropy
  • NewLateBinding
  • x64

Block Information

Total Blocks: 122
Potentially Malicious Blocks: 7
Whitelisted Blocks: 78
Unknown Blocks: 37

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

Files Modified

File Attributes
c:\users\user\appdata\roaming\5da025c1-ed1f-21ac-aac4-4bb4c00b6dc0\5da025c1-ed1f-21ac-aac4-4bb4c00b6dc0 Generic Write,Read Attributes
c:\users\user\appdata\roaming\adobe\5da025c1-ed1f-21ac-aac4-4bb4c00b6dc00.exe Generic Write,Read Attributes

Registry Modifications

Key::Value Data API Name
HKCU\modulemanagersettingsv0.1.2::status owned RegNtPreCreateKey

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!NtCreateIoCompletion
  • ntdll.dll!NtCreateKey
  • 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!NtGetContextThread
  • 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!NtOpenSymbolicLinkObject
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtPowerInformation
  • 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!NtQuerySymbolicLinkObject
  • 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!NtSuspendThread
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtUnsubscribeWnfStateChange
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtYieldExecution
  • UNKNOWN
User Data Access
  • GetComputerNameEx
  • GetUserDefaultLocaleName
  • GetUserName
  • GetUserObjectInformation
Encryption Used
  • BCryptOpenAlgorithmProvider
  • CryptAcquireContext
Process Manipulation Evasion
  • NtUnmapViewOfSection
  • VirtualAllocEx
Process Shell Execute
  • CreateProcess
Anti Debug
  • IsDebuggerPresent

Shell Command Execution

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe

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