Threat Database Trojans Trojan.MSIL.Krypt.AG

Trojan.MSIL.Krypt.AG

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 22,275
Threat Level: 80 % (High)
Infected Computers: 333
First Seen: August 30, 2021
Last Seen: May 1, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Krypt.AG on your system indicates a potential security threat that requires immediate attention. This malware is designed to compromise your computer's security and potentially steal sensitive information. It is essential to understand the nature of this threat and take prompt action to remove it and prevent further damage.

What Is Trojan.MSIL.Krypt.AG?

Trojan.MSIL.Krypt.AG is a type of malware that can infect your computer without your knowledge or consent. The name itself suggests that it is a Trojan-type threat, which means it can disguise itself as a legitimate program or file to gain access to your system. Once inside, it can cause a range of problems, from stealing personal data to disrupting your computer's performance.

How Trojan.MSIL.Krypt.AG Operates

Malware like Trojan.MSIL.Krypt.AG typically operates by exploiting vulnerabilities in your computer's security or by tricking you into installing it. It can spread through various means, such as infected email attachments, suspicious downloads, or compromised websites. Once installed, it can communicate with its creators, allowing them to control your computer remotely and steal sensitive information, such as passwords, credit card numbers, or personal data.

Symptoms of Infection

If your computer is infected with Trojan.MSIL.Krypt.AG, you may notice a range of symptoms, including slow performance, frequent crashes, or unfamiliar programs running in the background. You may also notice suspicious activity, such as unfamiliar network connections or unexpected changes to your computer's settings. However, some malware can operate stealthily, making it difficult to detect without proper scanning tools.

How to Remove Trojan.MSIL.Krypt.AG

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for a clean scan.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your computer. This will help detect and remove the malware and any associated files or programs.
  3. Uninstall any suspicious programs or applications that you do not recognize or that were installed around the time of the infection.
  4. Reset your web browsers, such as Chrome, Firefox, or Edge, to their default settings to remove any malicious extensions or add-ons.
  5. Reboot your computer and perform another scan to ensure that the malware has been completely removed.

Conclusion

Removing Trojan.MSIL.Krypt.AG from your computer requires careful attention to detail and a thorough approach. By following the steps outlined above, you can help ensure that your computer is free from this malware and any associated threats. It is also essential to take preventative measures, such as keeping your operating system and software up to date, using strong passwords, and being cautious when opening email attachments or downloading files from the internet. By staying vigilant and taking proactive steps, you can help protect your computer and your personal data from malware threats like Trojan.MSIL.Krypt.AG.

Analysis Report

General information

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

Known Samples

MD5: c68902ffada9d3ee64bf9cc9e5ae5c45
SHA1: 7ff5cde45973c0329abd1f72eb72bc517eaafeca
File Size: 374.27 KB, 374272 bytes
MD5: ef3991abcee79c6be999b7e0b91f9c0c
SHA1: 9ee6d3d9efe374ca304b01df1c66240b892878f8
SHA256: A223279542635EDF91DF840D0338A0DAD6BD1EB9FBE9220209299854CEC82227
File Size: 215.04 KB, 215040 bytes
MD5: f69446f1f30a8e181a51557d3c89a7c5
SHA1: 37ce56375cc84f09c7c81966c79f0c7f838fbd04
SHA256: 0A05EAD526C5CCEEBAE430D159704F2CFC987A5F43A5E80BEC3D051BD293E417
File Size: 219.65 KB, 219648 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • 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)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Icons

Windows PE Version Information

Name Value
Assembly Version
  • 8.0.0.0
  • 1.5.231.299
Company Name
  • Chrysanth Software Sdn. Bhd.
  • MainApp
  • TutorSoft
File Description
  • Chrysanth Cheque Writer
  • MainApp
  • TS.Win.DrawDownLoad
File Version
  • 28.1.281.971
  • 8.0.0.0
  • 1.5.231.299
Internal Name
  • Chrysanth Cheque Writer
  • MainApp.dll
  • TS.Win.DrawDownLoad.exe
Legal Copyright
  • Copyright (C) 2012-2023 Chrysanth (R) Software Sdn. Bhd. All rights reserved.
  • Copyright © Microsoft 2015
Legal Trademarks Chrysanth (R) Cheque Writer
Original Filename
  • CSCheckWriter.exe
  • MainApp.dll
  • TS.Win.DrawDownLoad.exe
Product Name
  • Chrysanth (R) Cheque Writer
  • MainApp
  • TS.Win.DrawDownLoad
Product Version
  • 28.1
  • 8.0.0.0
  • 1.5.231.299+52f26fd15097a377e8b90683cbba0e5605486df4

File Traits

  • .NET
  • GenKrypt
  • HighEntropy
  • Reactor
  • RijndaelManaged
  • x86

Block Information

Total Blocks: 33
Potentially Malicious Blocks: 1
Whitelisted Blocks: 10
Unknown Blocks: 22

Visual Map

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

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcConnectPort
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
Show More
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtEnumerateKey
  • 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!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!NtReadFile
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationFile
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • 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
  • GetUserDefaultLocaleName
  • GetUserObjectInformation
Anti Debug
  • IsDebuggerPresent
Encryption Used
  • BCryptOpenAlgorithmProvider

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