Threat Database Trojans Trojan.Agent.Gen.AJT

Trojan.Agent.Gen.AJT

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 20,515
Threat Level: 80 % (High)
Infected Computers: 5
First Seen: January 20, 2026
Last Seen: June 25, 2026
OS(es) Affected: Windows

Trojan.Agent.Gen.AJT is the SpyHunter detection name for a Trojan-type threat. This report summarizes what security researchers observe from samples that match this detection and explains how to remove the threat from an affected device.

Detections in this class are assigned by signature and behavioral analysis rather than to a single, named malware family, so the exact payload can vary between samples. The behavior described below is drawn from automated analysis of a representative sample and should be treated as indicative rather than exhaustive.

What Is Trojan.Agent.Gen.AJT?

Trojan.Agent.Gen.AJT flags files that behave in ways consistent with a Trojan-type threat. The analyzed sample is a Windows PE executable with a signature status of No Signature. Because the detection is signature-based, files caught by it may be delivered through a range of channels — bundled installers, cracked or pirated software, malicious email attachments, or drive-by downloads from untrustworthy sites.

How Trojan.Agent.Gen.AJT Operates

It also set Windows Registry values, including:

  • HKCUsoftwaremicrosoftwindowscurrentversionexplorer::slowcontextmenuentries
  • HKCUsoftwaremicrosoftwindowscurrentversioninternet settings5.0cachecontent::cacheprefix
  • HKCUsoftwaremicrosoftwindowscurrentversioninternet settings5.0cachecookies::cacheprefix
  • HKCUsoftwaremicrosoftwindowscurrentversioninternet settings5.0cachehistory::cacheprefix

These file and registry indicators come from one sandbox run; exact names and locations differ from sample to sample.

Malware Analysis

The values below are for a single representative sample. A signature-based detection matches many distinct files, so treat these as one example rather than the only indicator of compromise:

  • SHA-256: 73a66adee7a19e759d015bc36de655ebdee0fc286818de769576b39aa709bb63
  • File type: Windows PE executable
  • Signature status: No Signature

Symptoms of Infection

  • Security software repeatedly reports Trojan.Agent.Gen.AJT on the device.
  • The system runs slower than usual, or unfamiliar processes appear in Task Manager.
  • Unexpected network activity, new files, or changed settings that you did not authorize.

Why Trojan.Agent.Gen.AJT Is a Risk

Any file that triggers this detection should be treated as untrusted. Threats in this category can be used to download further malware, steal information, or give an attacker a foothold on the system. Even if a single sample appears low-impact, leaving it in place exposes the device to the additional payloads it may fetch.

How to Remove Trojan.Agent.Gen.AJT

Follow these general steps to remove the threat and undo the changes it may have made:

  1. Disconnect and reboot into Safe Mode. Disconnect from the internet and restart Windows in Safe Mode with Networking to stop the threat from running.
  2. Run a full anti-malware scan. Use a reputable, up-to-date security tool such as SpyHunter to scan the entire system and quarantine everything detected as Trojan.Agent.Gen.AJT.
  3. Remove suspicious programs. In Settings > Apps (or Control Panel > Programs and Features), uninstall any unfamiliar applications installed around the time the problem began.
  4. Reset affected browsers. In Chrome, Firefox, and Edge, remove unknown extensions and reset settings to clear any changes made to your homepage or search provider.
  5. Reboot and re-scan. Restart normally and run a second full scan to confirm the system is clean.

Running a full system scan with an anti-malware tool such as SpyHunter is the most reliable way to detect every component associated with this threat and remove it completely.

Conclusion

Trojan.Agent.Gen.AJT is a Trojan-type threat that should be removed promptly. Because it is detected by signature and behavior, the safest approach is a full anti-malware scan followed by the cleanup steps above, plus cautious downloading habits to avoid re-infection.

Analysis Report

General information

Family Name: Trojan.Agent.Gen.AJT
Signature status: No Signature

Known Samples

MD5: bc77db5b4c73395cd0a5ed9f005d05b4
SHA1: 9755f9b88ff5ec2aad1368554a89862252bc7404
SHA256: 73A66ADEE7A19E759D015BC36DE655EBDEE0FC286818DE769576B39AA709BB63
File Size: 330.24 KB, 330240 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 64-bit executable
  • File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • File is either console or GUI application
  • File is Native application (NOT .NET 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)

File Icons

File Traits

  • No Version Info
  • x64

Block Information

Total Blocks: 246
Potentially Malicious Blocks: 5
Whitelisted Blocks: 218
Unknown Blocks: 23

Visual Map

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

Registry Modifications

Key::Value Data API Name
HKCU\software\microsoft\windows\currentversion\explorer::slowcontextmenuentries `$�!�:i��+00��� Gs]XM���"�2��FXD�':D��exA-��LG=�A��J� �C� RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\5.0\cache\content::cacheprefix RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\5.0\cache\cookies::cacheprefix Cookie: RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\5.0\cache\history::cacheprefix Visited: RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 �lL1 �vT���1��Bx �7'�(�(X�*J*9+��1�1HO=�@V�A��G�IH[uN�Z^�_�zb"hh�rj�bk�k�qk�8l(�q�Xr�Bvy�w�nx�{b��P��/������7����M�b:�������6�!��X�������.���Rc�a ��� [�m�� RegNtPreCreateKey
HKCU\software\microsoft\edge\elfbeacon::version 148.0.3967.70 RegNtPreCreateKey

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAccessCheckByType
  • ntdll.dll!NtAddAtomEx
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcAcceptConnectPort
  • ntdll.dll!NtAlpcConnectPort
  • ntdll.dll!NtAlpcConnectPortEx
  • ntdll.dll!NtAlpcCreatePort
  • ntdll.dll!NtAlpcCreatePortSection
  • ntdll.dll!NtAlpcCreateSectionView
Show More
  • ntdll.dll!NtAlpcCreateSecurityContext
  • ntdll.dll!NtAlpcQueryInformation
  • ntdll.dll!NtAlpcQueryInformationMessage
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtAlpcSetInformation
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtAssociateWaitCompletionPacket
  • ntdll.dll!NtCancelWaitCompletionPacket
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateIoCompletion
  • ntdll.dll!NtCreateKey
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtCreateTimer
  • ntdll.dll!NtCreateTimer2
  • ntdll.dll!NtCreateUserProcess
  • ntdll.dll!NtCreateWaitCompletionPacket
  • ntdll.dll!NtCreateWorkerFactory
  • ntdll.dll!NtDeleteValueKey
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtImpersonateAnonymousToken
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtNotifyChangeKey
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcess
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenSymbolicLinkObject
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtPowerInformation
  • 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!NtQueryLicenseValue
  • ntdll.dll!NtQueryObject
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySymbolicLinkObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationObject
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSetTimer2
  • ntdll.dll!NtSetTimerEx
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtUpdateWnfStateData
  • ntdll.dll!NtWaitForAlertByThreadId

8 additional items are not displayed above.

Process Manipulation Evasion
  • NtUnmapViewOfSection
Process Shell Execute
  • CreateProcess
  • ShellExecute

Shell Command Execution

(NULL) https://www.instagram.com/jamesgod3127
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --edge-skip-compat-layer-relaunch --single-argument https://www.instagram.com/jamesgod3127

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