Threat Database Trojans Trojan.Agent.BNDG

Trojan.Agent.BNDG

By CagedTech in Trojans
Published:

Threat Scorecard

Threat Level: 80 % (High)
First Seen: October 20, 2026
Last Seen: October 25, 2026
OS(es) Affected: Windows

Trojan.Agent.BNDG is a Windows-based Trojan horse that has been classified as a dangerous threat, carrying a high risk rating due to its ability to grant attackers deep access to an infected computer. Like most trojans, it disguises itself as something harmless in order to slip past a user's defenses, then quietly carries out malicious actions in the background without any visible warning signs.

What Trojan.Agent.BNDG Does

Once active on a system, Trojan.Agent.BNDG runs silently in the background, avoiding obvious symptoms that would alert a typical user. It masquerades under misleading file details, presenting itself as a legitimate system or speech-related runtime component rather than revealing its true malicious nature. This disguise helps it avoid suspicion from users who might otherwise notice an unfamiliar or oddly named process.

Behind this false front, the Trojan can perform a range of harmful functions. It is capable of using low-level system calls to manipulate processes, unmap sections of memory, and launch additional processes on the infected machine — techniques often associated with evading detection and executing further malicious code. In many cases, trojans in this family are designed to give remote attackers substantial control over the compromised system, potentially allowing them to delete files, install additional malware, or carry out other unauthorized actions. Agent.BNDG has also been observed writing temporary files to the system as part of its operation.

How It Usually Gets Onto Computers

Trojan.Agent.BNDG typically spreads by exploiting system vulnerabilities and security weaknesses. Infection often occurs through software downloaded from malicious or compromised websites, or through email attachments sent by untrusted or unknown senders. These attachments can appear in various disguised formats, including executable files and other file types designed to trick users into opening them. Because the Trojan does not come with a verified digital signature, it can be difficult for an untrained eye to distinguish it from legitimate software.

Risks for the User

Infections of this kind carry serious risks. Once installed, Trojan.Agent.BNDG may allow hackers to gain extensive control over the system, potentially leading to data theft, further malware infections, file deletion, or complete compromise of the device. Given its high danger rating, users affected by this threat should treat it as a serious security incident rather than a minor nuisance.

Signs of Infection

Because this Trojan is designed to run quietly, obvious signs of infection may be minimal. However, users might notice unexplained new files appearing in temporary folders, unfamiliar processes running in the background, unexpected network activity, or a general slowdown in system performance. Any unrecognized executable files appearing in download folders, especially those with unusual or generic names, should be treated with caution.

How to Stay Protected

To reduce the risk of infection, users should avoid downloading software from untrusted or unofficial websites and refrain from opening email attachments from unknown or suspicious senders. Keeping the operating system and all installed software fully updated helps close security vulnerabilities that trojans like this one often exploit. Regularly scanning the system with reputable security software, maintaining backups of important files, and exercising caution with unfamiliar downloads are all essential habits for staying protected against threats like Trojan.Agent.BNDG.

Analysis Report

General information

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

Known Samples

MD5: b1b8a37bb45d8d2681dee0dd8c64bcbe
SHA1: 1cd059b011a334c5841d71cbbc3b09309bc52aef
SHA256: A7B1011EE59E083D988AC443F289D421C09BE1F4C26085423FE0C273A0EB03E3
File Size: 4.74 MB, 4735860 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 security information
  • File has TLS information
  • File is 64-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
Show 2 more
  • 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
Company Name Desktop Runtime
File Description SpeechRuntime
File Version 1.2.0.0
Internal Name SpeechRuntime
Legal Copyright Copyright (C) 2024-2026
Original Filename SpeechRuntime.exe
Product Name SpeechRuntime
Product Version 1.2.0.0

File Traits

  • big overlay
  • fptable
  • GetConsoleWindow
  • x64

Block Information

Total Blocks: 1,677
Potentially Malicious Blocks: 776
Whitelisted Blocks: 888
Unknown Blocks: 13

Visual Map

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

Similar Families

  • Agent.BNDG
  • Agent.BNDO

Files Modified

File Attributes
c:\users\user\appdata\local\temp\arv_boot.txt Read Attributes,Synchronize,Append data

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtClose
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtSetEvent
Show 9 more
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN
Process Manipulation Evasion
  • NtUnmapViewOfSection
Process Shell Execute
  • CreateProcess

Shell Command Execution

"c:\users\user\downloads\1cd059b011a334c5841d71cbbc3b09309bc52aef_0004735860" /speechrt 7832