Threat Database Trojans Trojan.Trinity.A

Trojan.Trinity.A

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 58
First Seen: August 29, 2023
Last Seen: April 17, 2026
OS(es) Affected: Windows

The detection of Trojan.Trinity.A on your system indicates a potential security threat that requires immediate attention. 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 effectively.

What Is Trojan.Trinity.A?

Trojan.Trinity.A, as indicated by its name, is likely a form of Trojan horse malware. Trojans are malicious programs that disguise themselves as legitimate software to gain unauthorized access to a computer system. They can be used for a variety of harmful purposes, including stealing sensitive information, installing additional malware, or allowing unauthorized access to the infected system. The term "Trojan" refers to the method of infection, which often involves deceiving the user into installing the malware themselves, thinking it's a useful or harmless program.

How Trojan.Trinity.A Operates

Like other Trojans, Trojan.Trinity.A is designed to operate stealthily, attempting to evade detection by security software. Once installed, it can perform a range of malicious activities. These may include data theft (such as login credentials, personal data, or financial information), keystroke logging, or using the infected computer as a botnet to distribute spam or launch attacks on other systems. The exact operation can vary widely depending on the specific goals of the malware authors.

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 unexpected pop-ups, slow system performance, or programs starting automatically without user intervention. In some cases, the infected system may become unstable, leading to crashes or freezes. Additionally, if the Trojan is designed for data theft, users may notice unauthorized transactions or changes to their online accounts.

  • Unexplained changes in system settings or files
  • New, unfamiliar programs or icons
  • Increased network activity without a clear cause
  • Difficulty in accessing certain system areas or files

How to Remove Trojan.Trinity.A

  1. Enter Safe Mode with Networking to limit the malware's ability to interfere with the removal process. This mode allows you to use the internet to download removal tools while limiting other programs from running.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated to the latest version to increase the chances of detecting and removing the malware.
  3. Uninstall suspicious programs that you do not recognize or that were installed around the time the malware was detected. Be cautious and only remove programs you are certain are not essential to your system's operation.
  4. Reset your browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the Trojan.
  5. Reboot your system and perform another scan to ensure the malware has been fully removed. Repeated scans may be necessary to confirm the system is clean.

Conclusion

Dealing with a Trojan infection like Trojan.Trinity.A requires careful and immediate action to prevent further damage. By understanding the nature of the threat and following the steps outlined for removal, you can help protect your system and personal data from malicious activities. It's also crucial to adopt preventive measures, such as regularly updating your operating system and software, using strong, unique passwords, and being cautious when downloading and installing programs from the internet.

Analysis Report

General information

Family Name: Trojan.Trinity.A
Signature status: No Signature

Known Samples

MD5: b2c735bebfbbb3032d265e0e8b9fcd4c
SHA1: 75c9adf416dcec54c144a7ab834084009d0076c5
SHA256: 7540AB160018C11AAF67449379F3A3FD7B0364ED3CB22EDE1D9A37DB2C34BE0E
File Size: 45.57 KB, 45568 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 console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • File is either console or GUI application
  • 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)

Windows PE Version Information

Name Value
Assembly Version 1.7.0.0
Comments Runtime library of ConfuserEx
Company Name Ki;Martin Karing
File Description Confuser.Runtime
File Version 1.7.0
Internal Name Confuser.Runtime.dll
Legal Copyright Copyright © 2014 Ki, 2018 - 2025 Martin Karing
Original Filename Confuser.Runtime.dll
Product Name Confuser.Runtime
Product Version 1.7.0-alpha.0

File Traits

  • .NET
  • dll
  • ntdll
  • x86

Block Information

Total Blocks: 132
Potentially Malicious Blocks: 66
Whitelisted Blocks: 61
Unknown Blocks: 5

Visual Map

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

Similar Families

  • MSIL.Downloader.TAY
  • MSIL.Krypt.ACEE

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
Show More
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN

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