Threat Database Trojans Trojan.Agent.DYA

Trojan.Agent.DYA

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 1
First Seen: May 10, 2025
Last Seen: August 7, 2025
OS(es) Affected: Windows

The detection of Trojan.Agent.DYA on your system indicates a potential security threat. This type of malware is designed to compromise the security and integrity of your computer, allowing unauthorized access and potentially leading to further malicious activities. It is essential to understand the nature of this threat and take immediate action to remove it and prevent future infections.

What Is Trojan.Agent.DYA?

Trojan.Agent.DYA is a type of Trojan horse malware, which is a broad category of threats that disguise themselves as legitimate software or files to gain unauthorized access to a computer system. The name "Trojan.Agent.DYA" suggests that it is a malicious agent designed to operate secretly on an infected system, potentially allowing remote control, data theft, or other harmful activities. Understanding that Trojans are often used as a delivery mechanism for other types of malware, it's crucial to address the infection promptly.

How Trojan.Agent.DYA Operates

Trojan horses like Trojan.Agent.DYA typically operate by exploiting vulnerabilities in software or tricking users into installing them. Once installed, they can create backdoors, allowing hackers to access the system remotely. They may also download and install additional malware, steal personal data, or engage in other malicious activities. The specific operations of Trojan.Agent.DYA can vary, but the general goal is to compromise system security and facilitate further malicious actions.

Symptoms of Infection

Identifying a Trojan infection can be challenging because these malware types are designed to operate stealthily. However, some common symptoms may indicate an infection: slowed system performance, frequent crashes, unexpected changes to system settings, appearance of unwanted programs or toolbars, and unusual network activity. If you suspect your system is infected with Trojan.Agent.DYA, it's crucial to take action to remove the threat and restore system security.

How to Remove Trojan.Agent.DYA

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for internet access to download removal tools.
  2. Download and run a full scan with a reputable anti-malware tool, such as SpyHunter, to detect and remove Trojan.Agent.DYA and any associated malware.
  3. Uninstall any suspicious programs that were installed around the time the infection was detected, as these could be related to the Trojan.
  4. Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings changes made by the malware.
  5. Reboot your computer and run another full scan with your anti-malware tool to ensure that all traces of the malware have been removed.

Conclusion

Removing Trojan.Agent.DYA requires a comprehensive approach to ensure that all components of the malware are eliminated and that your system is restored to a secure state. By following the steps outlined above and maintaining good security practices, such as keeping your operating system and software up to date, using strong antivirus protection, and being cautious when downloading and installing software, you can protect your system from future infections. Remember, vigilance and proactive security measures are key to preventing malware infections and safeguarding your digital assets.

Analysis Report

General information

Family Name: Trojan.Agent.DYA
Signature status: No Signature

Known Samples

MD5: 1500ea8a4513896dad7841c2887bf3fd
SHA1: 5c7ee34c927911663282f4d42845c148b227cba4
SHA256: 86E2266F5272E0B44053BC3C86B7E7354F1BAB9ECFB92F9AB1CCE0761F7F49DE
File Size: 203.78 KB, 203776 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have debug information
  • File doesn't have security information
  • File has exports table
  • File has TLS information
  • 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)
  • File is not packed
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  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • dll
  • HighEntropy
  • x86

Block Information

Total Blocks: 1,039
Potentially Malicious Blocks: 202
Whitelisted Blocks: 632
Unknown Blocks: 205

Visual Map

x ? 0 0 x 0 x x x x x x x x x x x x x x x x x x x x x x x 0 x x x x x ? x 0 0 ? x 0 x x x 0 x ? 0 ? x 0 ? 0 ? x 0 0 0 ? ? ? ? ? ? ? x x ? ? x 0 ? ? ? 0 ? ? x ? x 0 0 x ? x 0 x x ? x 0 ? ? ? 0 ? 0 ? ? 0 ? ? ? x 0 ? x ? x 0 x ? x 0 0 ? ? ? ? 0 ? x 0 0 ? ? x 0 0 ? x 0 ? x 0 ? 0 ? ? ? 0 ? ? ? x x 0 0 0 x x x ? 0 ? x ? x ? 0 0 ? ? 0 ? ? x 0 0 ? 0 ? 0 x x ? ? ? 0 ? 0 0 x ? x x 0 0 x x x 0 ? 0 0 x 0 ? 0 0 x x ? x 0 x ? ? ? ? ? ? 0 x 0 ? x 0 ? 0 ? x 0 ? x ? x ? x ? x 0 ? x x ? 0 x ? ? 0 x 0 x x x 0 x x 0 x 0 x 0 x x x 0 x x ? x 0 0 x x x 0 ? ? ? x ? ? 0 x x x 0 0 x x x ? 0 x x ? 0 x x 0 x 0 ? 0 x 0 ? ? x x ? x x x ? ? 0 0 0 0 0 ? x 0 ? ? x 0 0 ? 0 x x 0 ? ? ? x ? ? x x ? x 0 0 ? 0 ? ? ? ? ? 0 x 0 0 x x x 0 0 ? ? ? ? x x x ? x x x ? 0 ? 0 ? 0 0 0 0 0 x ? 0 0 x ? ? ? x 0 0 ? 0 x x 0 0 x x ? 0 ? ? x ? x ? ? x x ? ? ? x 0 0 ? ? ? ? x x x x 0 0 ? ? ? ? ? ? ? 0 x x 0 ? ? x ? ? 0 x ? 0 x 0 ? 0 0 ? 0 ? 0 0 x ? 0 0 x ? 0 ? 0 x ? ? x 0 ? ? x x ? x ? ? x x 0 ? 0 ? ? x x x 0 0 ? ? ? x 0 0 x ? x 0 0 x ? ? 0 x ? 0 0 x ? ? x 0 x x x ? ? x 0 x ? 0 0 x 0 ? x ? ? ? 0 ? x ? ? x x x ? 0 ? ? ? ? 0 0 ? ? ? ? ? 0 0 ? ? ? x x 0 x x ? 0 x x 0 ? x x x 0 x 0 0 0 2 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 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 1 0 0 1 1 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 2 2 1 1 0 0 1 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 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 2 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 2 0 0 0 0 0 0 0 0 0 0 1 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 1 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 1 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

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtProtectVirtualMemory
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  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationFile
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtWriteVirtualMemory
  • win32u.dll!NtUserGetKeyboardLayout
  • win32u.dll!NtUserGetThreadState
Process Shell Execute
  • CreateProcess
Anti Debug
  • NtQuerySystemInformation

Shell Command Execution

C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\5c7ee34c927911663282f4d42845c148b227cba4_0000203776.,LiQMAxHB

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