Threat Database Trojans Trojan.MSIL.Krypt.ABP

Trojan.MSIL.Krypt.ABP

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 28,479
First Seen: July 10, 2021
Last Seen: April 12, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Krypt.ABP on your system indicates a potential security threat. This detection name suggests a type of malicious software, but without more specific information, it's essential to understand the general characteristics of such threats and how to address them. In this report, we will guide you through the process of understanding and removing Trojan.MSIL.Krypt.ABP from your system.

What Is Trojan.MSIL.Krypt.ABP?

Trojan.MSIL.Krypt.ABP is identified as a Trojan-type threat. Trojans are malicious programs that can allow unauthorized access to your system, steal data, or disrupt operations. They often masquerade as legitimate software, making them difficult to detect without proper security tools. The name Trojan.MSIL.Krypt.ABP itself does not specify a known malware family but indicates it's a type of Trojan, suggesting its capabilities might include data encryption or exfiltration, among other malicious activities.

How Trojan.MSIL.Krypt.ABP Operates

Trojans like Trojan.MSIL.Krypt.ABP typically operate by exploiting vulnerabilities in software or tricking users into installing them. Once installed, they can create backdoors for remote access, allowing attackers to manipulate your system, steal sensitive information, or use your computer as part of a botnet for malicious activities. The specific operations of Trojan.MSIL.Krypt.ABP can vary, but the end goal is usually to compromise your system's security and privacy.

Symptoms of Infection

Identifying a Trojan infection can be challenging due to their stealthy nature. However, some common symptoms include unusual system behavior, such as slow performance, frequent crashes, or unfamiliar programs and icons. You might also notice increased network activity, even when you're not using your internet connection, or receive alerts from your security software indicating malicious activity. Since Trojans can lead to additional malware infections, being vigilant about these signs is crucial.

How to Remove Trojan.MSIL.Krypt.ABP

  1. Start your computer in Safe Mode with Networking. This will limit the malware's ability to interfere with the removal process and allow you to download necessary tools.
  2. Download and run a full scan with a reputable anti-malware tool, such as SpyHunter. Ensure your tool is updated to detect the latest threats, including Trojan.MSIL.Krypt.ABP.
  3. Uninstall any suspicious programs that you don't recognize or that were installed around the time you noticed the infection. Be cautious and only remove programs you are sure are malicious or unnecessary.
  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. After completing the above steps, reboot your computer and perform another full scan to ensure that the threat has been completely removed. This step is crucial as it verifies the effectiveness of the removal process.

Conclusion

Removing Trojan.MSIL.Krypt.ABP from your system requires careful steps to ensure the malware is completely eradicated. By following the guidance provided, you can significantly reduce the risk of further infection and protect your system and data. Remember, prevention is key; keeping your operating system, software, and security tools up to date, along with practicing safe computing habits, will help safeguard against future threats. If you're unsure about any part of the removal process, consider consulting with a professional to ensure your system's security and integrity.

Analysis Report

General information

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

Known Samples

MD5: a7dadb10f2f94c24300070d723b740b0
SHA1: 23ed96a938f93fcdaa49c45bd72b09035198d56d
SHA256: 34B59371EE2FDBBC65B5E97B8EE9A6F4135C77507413F1704D3DEC9BABE8DC58
File Size: 592.89 KB, 592888 bytes
MD5: 90659c10cf2445ab0ae50ab10437fbde
SHA1: 5e27bbc63043b39b1211d14bf9217557b3d32a9c
SHA256: 08C7205C7C81A05561778DBE62469FB82039C48A8DE134F3A8E3AEA5A011A25E
File Size: 1.26 MB, 1257472 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 either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is Native application (NOT .NET application)
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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 1.0.0.0
Comments Microsoft Application
Company Name Microsoft
File Description WinZip.Pro.exe
File Version
  • 1.00
  • 1.0.0.0
Internal Name
  • TJprojMain
  • WinZip.Pro.exe
Legal Copyright Microsoft © 2019
Legal Trademarks Microsoft © 2019
Original Filename
  • TJprojMain.exe
  • WinZip.Pro.exe
Product Name Project1
Product Version
  • 1.00
  • 1.0.0.0

File Traits

  • .NET
  • HighEntropy
  • x86

Block Information

Total Blocks: 5
Potentially Malicious Blocks: 3
Whitelisted Blocks: 1
Unknown Blocks: 1

Visual Map

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

Registry Modifications

Key::Value Data API Name
HKLM\software\microsoft\tracing\rasapi32::enablefiletracing RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasapi32::enableautofiletracing RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasapi32::enableconsoletracing RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasapi32::filetracingmask ￿ RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasapi32::consoletracingmask ￿ RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasapi32::maxfilesize  RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasapi32::filedirectory %windir%\tracing RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasmancs::enablefiletracing RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasmancs::enableautofiletracing RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasmancs::enableconsoletracing RegNtPreCreateKey
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HKLM\software\microsoft\tracing\rasmancs::filetracingmask ￿ RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasmancs::consoletracingmask ￿ RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasmancs::maxfilesize  RegNtPreCreateKey
HKLM\software\microsoft\tracing\rasmancs::filedirectory %windir%\tracing RegNtPreCreateKey

Windows API Usage

Category API
Other Suspicious
  • SetWindowsHookEx
Syscall Use
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcConnectPort
  • ntdll.dll!NtAlpcCreatePortSection
  • ntdll.dll!NtAlpcCreateSectionView
  • ntdll.dll!NtAlpcCreateSecurityContext
  • ntdll.dll!NtAlpcDeleteSecurityContext
  • ntdll.dll!NtAlpcQueryInformation
  • ntdll.dll!NtAlpcQueryInformationMessage
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtAlpcSetInformation
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  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtAssociateWaitCompletionPacket
  • ntdll.dll!NtCancelWaitCompletionPacket
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateIoCompletion
  • ntdll.dll!NtCreateKey
  • ntdll.dll!NtCreateSection
  • 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!NtGetCompleteWnfStateSubscription
  • 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!NtOpenProcessToken
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenThread
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtPowerInformation
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDefaultLocale
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryFullAttributesFile
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • 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!NtQueueApcThread
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReadVirtualMemory
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtResetWriteWatch
  • 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!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetComputerName
  • GetUserObjectInformation
Anti Debug
  • IsDebuggerPresent
Network Winsock2
  • WSASocket
  • WSAStartup
  • WSAttemptAutodialName
Network Winsock
  • closesocket
  • getaddrinfo
  • inet_addr
  • setsockopt
Encryption Used
  • CryptAcquireContext
Network Winhttp
  • WinHttpOpen
Network Info Queried
  • GetNetworkParams

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