Threat Database Trojans Trojan.Agent.GJO

Trojan.Agent.GJO

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 25,385
Threat Level: 80 % (High)
Infected Computers: 3
First Seen: April 22, 2025
Last Seen: May 6, 2026
OS(es) Affected: Windows

The detection of Trojan.Agent.GJO on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security and integrity of your computer, and it's essential to understand its nature and take steps to remove it.

What Is Trojan.Agent.GJO?

Trojan.Agent.GJO is a type of Trojan horse malware that can infiltrate your system without your knowledge or consent. The name "Trojan" refers to the fact that this malware disguises itself as a legitimate program or file, allowing it to bypass security measures and gain access to your system. The ".Agent.GJO" part of the name is a unique identifier assigned by the detection system, and it does not provide specific information about the malware's origin or purpose.

How Trojan.Agent.GJO Operates

Trojan horses like Trojan.Agent.GJO typically operate by exploiting vulnerabilities in your system or tricking you into installing them. Once inside, they can perform a variety of malicious activities, such as stealing sensitive information, installing additional malware, or providing unauthorized access to your system. They can also disrupt your system's performance, cause crashes, or display unwanted advertisements. Trojan horses can be particularly dangerous because they can be designed to evade detection and remain hidden on your system for extended periods.

Symptoms of Infection

If your system is infected with Trojan.Agent.GJO, you may notice a range of symptoms, including slow system performance, frequent crashes, or unfamiliar programs and icons on your desktop. You may also experience unexpected changes to your browser settings, such as a new homepage or search engine, or receive pop-up advertisements and spam messages. In some cases, you may not notice any symptoms at all, which is why regular system scans and monitoring are essential for detecting and removing malware.

  • Unexplained system crashes or freezes
  • New, unfamiliar programs or icons on your desktop
  • Changes to your browser settings or homepage
  • Pop-up advertisements or spam messages
  • Slow system performance or lag

How to Remove Trojan.Agent.GJO

  1. Boot your system 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 system scan and detect any malware, including Trojan.Agent.GJO.
  3. Uninstall any suspicious programs or applications that may be related to the malware.
  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 system and perform another full scan to ensure that the malware has been completely removed.

Conclusion

Removing Trojan.Agent.GJO from your system requires a combination of technical knowledge and caution. By following the steps outlined above and using reputable anti-malware tools, you can effectively remove this malware and protect your system from future threats. Remember to always be vigilant when downloading software or clicking on links, and to keep your operating system and security software up to date to prevent similar infections in the future.

Analysis Report

General information

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

Known Samples

MD5: 1c1aff3b0d65ec96d10856d69a7a6612
SHA1: 2e401682ba80e1f7b2e0cf36bc7550f1223e3c98
SHA256: 9B7071F40C4DE35FD14A9B60541D14670BB43410EDA2046A9A150D3276F481A1
File Size: 1.88 MB, 1881600 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have resources
  • File doesn't have security information
  • File has exports table
  • 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

  • dll
  • ntdll
  • x64

Block Information

Total Blocks: 5,010
Potentially Malicious Blocks: 1,477
Whitelisted Blocks: 3,533
Unknown Blocks: 0

Visual Map

x 0 0 x x x 0 0 x x x x x x x 0 x x 0 x x 0 x 0 x 0 x x x x 0 0 x x x x x x 0 x x 0 x x 0 x 0 x 0 x x x 0 0 0 x 0 0 x 0 x x 0 x x 1 x x 0 0 x x 0 x 0 0 0 0 0 0 0 0 0 0 0 x 0 0 0 0 0 0 0 0 x 0 0 0 0 0 0 x x x 0 0 0 0 0 0 0 0 x 0 0 0 x 0 0 x 0 0 0 0 0 0 0 0 0 x 0 x x 0 0 0 0 0 0 x 0 x 0 0 x 0 0 0 0 0 0 0 x x 0 0 0 0 0 0 0 x 0 0 0 x 0 0 0 x 0 0 0 0 x 0 x x 0 0 x x x x x x 0 0 x 0 0 0 0 0 0 0 0 0 0 x x 0 0 0 x 0 0 0 0 0 x 0 0 x x x x x 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 x 0 0 0 0 x 0 0 0 0 0 0 0 0 0 x x 0 x 0 0 x 0 0 0 x x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x 0 0 0 0 x x 0 0 0 0 0 x 0 0 0 0 0 0 0 0 0 0 0 x x 0 0 0 0 0 0 0 0 0 0 0 0 0 x 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 x 0 0 x 0 0 0 0 x 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 0 0 0 0 0 0 0 0 0 x x x x 0 0 0 x x x x x x x x 0 0 0 0 x x x 0 0 0 0 0 0 0 0 0 x x x 0 0 0 0 0 0 0 0 0 x x 0 0 0 0 0 0 0 0 0 0 0 0 0 x 0 0 0 0 0 0 0 x x x 0 x x x x x x x x x x 0 x x x x x 0 0 0 x x x x x x x 0 0 x x x x 0 x 0 x 0 x 0 0 0 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 x x 0 0 0 0 0 0 x x x x x x 0 0 x x 0 0 0 0 0 0 x x x x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x 0 0 0 x 0 x 0 0 0 0 x 0 0 x 0 0 0 0 x 0 0 0 0 0 0 0 0 0 0 0 0 0 x x x 0 0 0 0 0 0 0 0 0 x x x 0 0 x x 0 0 x x 0 0 0 x x 0 x 0 0 0 0 0 x 0 0 0 0 x x x 0 x 0 0 0 0 0 0 0 0 0 0 x x x 0 0 x 0 0 x 0 0 0 x 0 x x x 0 0 0 0 x 0 0 x x x x x x x 0 0 x 0 0 0 x 0 0 0 0 0 0 0 0 0 0 x x x 0 x 0 0 0 x x 0 0 0 0 x 0 0 0 0 0 0 0 0 0 0 0 0 0 x 0 0 x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x x x 0 0 0 0 x 0 0 x x 0 x 0 0 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 x 0 0 x 0 0 0 0 0 0 0 0 x 0 0 0 x x x 0 x 0 0 0 0 x 0 x 0 0 x 0 0 x x 0 0 0 0 0 0 0 0 0 x x x x 0 0 0 0 0 0 0 0 0 0 0 0 0 x x x 0 0 0 0 0 0 0 0 0 0 0 0 0 x 0 0 0 x x x 0 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 x x 0 0 0 0 0 0 0 0 x 0 0 0 x 0 0 0 0 0 0 x x x x x x x 0 x x x 0 0 0 x 0 0 x 0 0 0 0 0 0 0 x x x 0 0 0 0 0 0 0 0 0 0 x 0 0 0 0 0 0 0 0 0 x x x x x 0 0 0 0 0 0 0 0 0 0 0 x 0 0 x 0 0 0 x 0 0 0 0 x x x 0 0 0 0 x x 0 0 0 0 x 0 0 0 x 0 x x 0 0 0 x 0 0 0 0 x x x 0 0 0 x 0 x 0 0 0 0 0 0 0 0 0 0 0 x 0 x 0 0 0 0 0 x 0 0 x 0 0 0 0 0 0 0 0 x x 0 x x 0 0 x 0 x 0 0 0 0 0 0 0 0 x 0 0 0 0 0 0 0 0 0 x 0 0 0 0 0 0 0 x 0 0 x x x 0 0 0 x 0 0 0 0 0 0 0 0 0 0 0 0 x 0 0 0 0 0 x 0 0 0 x 0 0 0 0 0 0 0 x 0 x x x x 0 0 x 0 0 0 0 0 x 0 x 0 0 0 0 0 x x x 0 x 0 0 0 x x x x 0 x 0 0 0 x x 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 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 0 0 0 x x x x 0 x x 0 x 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 0 0 0 0 x 0 x 0 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 x 0 0 0 0 0 0 0 0 x x x 0 0 0 0 0 0 x x x 0 0 0 x 0 0 0 0 0 0 0 0 0 x 0 0 0 0 0 0 0 x 0 x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x 0 0 x 0 0 0 0 0 0 x x 0 0 x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x 0 0 0 x x x 0 0 0 0 0 x 0 x 0 0 0 0 0 0 x x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 x x x 0 x 0 0 0 x x x 0 0 0 x x 0 0 0 0 0 0 0 0 0 0 x x 0 0 0 x x 0 0 0 0 x 0 0 0 0 x x 0 x 0 x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x 0 x 0 0 0 0 0 0 0 0 x 0 x x x x x x x 0 x x x 0 0 x x 0 0 x x 0 0 0 0 0 x x x x x x 0 0 0 x x x x x x x x x x 0 0 x 0 x 0 0 x x 0 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 x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x x 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 x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x 0 0 0 x x 0 0 0 0 x 0 0 0 0 0 0 0 x 0 0 0 0 0 0 0 0 0 0 x 0 x x 0 0 0 0 0 0 0 x 0 0 x 0 0 0 0 0 0 0 x 0 0 0 0 0 0 x x 0 0 x 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 0 x 0 0 0 0 0 0 x 0 x 0 0 0 0 x x x x x x 0 0 0 0 x 0 0 0 0 0 0 0 0 0 0 0 0 0 x 0 0 0 x 0 0 0 0 0 0 0 0 0 x 0 0 0 x 0 x 0 0 0 0 0 0 0 0 0 0 x 0 0 x 0 0 0 0 x 0 x x 0 x x x 0 0 0 0 0 0 0 0 0 x 0 0 0 0 0 0 0 0 0 0 0 x x 0 x x 0 0 x 0 0 0 x 0 0 0 0 0 0 0 0 0 0 x x x x 0 x 0 0 0 0 0 0 x 0 0 x 0 x 0 0 0 0 0 0 0 0 0 0 0 0 0 x x 0 0 x x x x x x 0 x x 0 0 x 0 x 0 0 0 0 0 0 0 0 x 0 x x x x 0 0 0 0 x 0 0 0 0 0 x 0 x x 0 x x 0 0 x x 0 0 0 0 0 0 0 x x 0 x x x x 0 x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x 0 0 0 0 0 0 0 0 x 0 0 0 0 0 0 0 0 0 0 0 0 x x x x 0 0 0 0 0 x x x x x 0 x x x x x 0 0 0 x x x 0 x x 0 0 x x 0 0 0 0 x x
... Data truncated
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • Agent.GJO

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
Show More
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationFile
  • 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!NtReadFile
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN

Trending

Most Viewed

Loading...