Threat Database Trojans Trojan.Agent.GYG

Trojan.Agent.GYG

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 9,706
Threat Level: 80 % (High)
Infected Computers: 36
First Seen: May 8, 2025
Last Seen: June 9, 2026
OS(es) Affected: Windows

The detection of Trojan.Agent.GYG on your system indicates a potential security threat that requires immediate attention. This Trojan-type threat can compromise your computer's security and put your personal data at risk. It is essential to understand the nature of this threat and take prompt action to remove it from your system.

What Is Trojan.Agent.GYG?

Trojan.Agent.GYG is a type of malware that can infect your computer without your knowledge or consent. The name "Trojan" refers to the fact that this malware can disguise itself as a legitimate program or file, allowing it to bypass your system's security defenses. The ".GYG" suffix is a unique identifier assigned to this particular threat by security software. Trojan-type threats like Trojan.Agent.GYG are designed to provide unauthorized access to your computer, allowing attackers to steal sensitive information, install additional malware, or disrupt your system's operation.

How Trojan.Agent.GYG Operates

Once Trojan.Agent.GYG infects your computer, it can operate in various ways, depending on its intended purpose. It may connect to a remote server to receive instructions or transmit stolen data. The malware can also create new files, modify system settings, or disable security software to maintain its presence on your system. Trojan.Agent.GYG may also attempt to spread to other computers by exploiting vulnerabilities or using social engineering tactics to trick users into installing it.

Symptoms of Infection

The symptoms of a Trojan.Agent.GYG infection can vary, but common signs include slower system performance, unexpected pop-ups or ads, and unfamiliar programs or icons on your desktop. You may also notice that your browser homepage or search engine has changed without your consent. In some cases, Trojan.Agent.GYG may not exhibit any noticeable symptoms, making it difficult to detect without the aid of security software.

  • Unexplained changes to system settings or files
  • Increased network activity or unusual data transmissions
  • Appearance of suspicious programs or processes in the task manager
  • Difficulty installing or updating security software

How to Remove Trojan.Agent.GYG

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for a more effective removal process.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and detect any associated files or registry entries.
  3. Uninstall any suspicious programs or applications that may be related to the Trojan.Agent.GYG infection.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
  5. Reboot your computer and perform another scan with your anti-malware tool to ensure that the threat has been completely removed.

Conclusion

Removing Trojan.Agent.GYG from your system requires a combination of technical expertise and caution. By following the steps outlined above and using reputable security software, you can effectively eliminate this threat and protect your personal data. Remember to always be vigilant when downloading software or clicking on links from unknown sources, as these are common ways for Trojan-type threats to infect your computer. Regularly updating your operating system, browser, and security software can also help prevent similar infections in the future.

Analysis Report

General information

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

Known Samples

MD5: be46e986d06540304bce91ec8cabde5f
SHA1: 7830f081ef2807b09a242a1b461735c5ba7635fc
SHA256: 52C7B152FFDEDF32E359793C19BF460EAC0160AE341D05B490CE89DC5DF223E0
File Size: 79.87 KB, 79872 bytes
MD5: cb183e197eb7bf56d27fa9fb2904804f
SHA1: fea00576ed045cfbd263fce926423d25a473a814
SHA256: 3EDDE32D0B9BD15312DB33501F07ECD8A703D3B2B426C96FF0C6EFAA6CA3C1B6
File Size: 80.90 KB, 80896 bytes
MD5: 416275bb02a22efbf68717c00046dee3
SHA1: c6042110b028c99644f5c2c849cbc98484e91708
SHA256: F63EE52CF8BC3A075EDDDDEAA198DDB3BFF5ADF3DA41DCC68F28A4E1CA2CD506
File Size: 80.90 KB, 80896 bytes
MD5: b5c511132852aa84a226490fc7f09d2f
SHA1: 0446adf1bee64062680e4546001519ab39f69689
SHA256: 5FCF4D94BD23431C98B2BB4EFC0014AD532FDC0154AC5A212BCAF9B8739EBCEA
File Size: 80.90 KB, 80896 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • File doesn't have resources
  • 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 More
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • No Version Info
  • x64

Block Information

Total Blocks: 106
Potentially Malicious Blocks: 24
Whitelisted Blocks: 82
Unknown Blocks: 0

Visual Map

x 0 0 0 x 0 0 0 x 0 x x 0 x x 0 x 0 0 x 0 0 0 0 0 x 0 0 0 0 0 0 0 x 0 x x x x x x 0 x 0 0 0 x x x x x 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 1 0 1 2 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x 0 0 0
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • Agent.GYG
  • Agent.RTM

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAddAtomEx
  • ntdll.dll!NtAlpcConnectPort
  • ntdll.dll!NtAlpcConnectPortEx
  • ntdll.dll!NtAlpcCreateSecurityContext
  • ntdll.dll!NtAlpcDeleteSecurityContext
  • ntdll.dll!NtAlpcQueryInformation
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtAssociateWaitCompletionPacket
Show More
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateIoCompletion
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtCreateTimer2
  • ntdll.dll!NtCreateWaitCompletionPacket
  • ntdll.dll!NtCreateWorkerFactory
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryEvent
  • ntdll.dll!NtQueryInformationFile
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReadVirtualMemory
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtSetEvent
  • 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!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtWriteVirtualMemory
  • UNKNOWN
  • win32u.dll!NtGdiDdDDICacheHybridQueryValue
  • win32u.dll!NtGdiDdDDICloseAdapter
  • win32u.dll!NtGdiDdDDIEnumAdapters2
  • win32u.dll!NtGdiDdDDIGetCachedHybridQueryValue
  • win32u.dll!NtGdiDdDDIQueryAdapterInfo
  • win32u.dll!NtUserDisplayConfigGetDeviceInfo
  • win32u.dll!NtUserEnumDisplayDevices
  • win32u.dll!NtUserGetKeyboardLayout
  • win32u.dll!NtUserGetProcessUIContextInformation
  • win32u.dll!NtUserGetThreadState

Trending

Most Viewed

Loading...