Threat Database Trojans Trojan.Downloader.GSA

Trojan.Downloader.GSA

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 6
First Seen: August 13, 2025
Last Seen: January 29, 2026
OS(es) Affected: Windows

The detection of Trojan.Downloader.GSA on your system indicates a potential security threat. This detection name suggests a type of malicious software that may be capable of downloading additional malware or unwanted programs onto your computer. It is essential to understand the nature of this threat and take immediate action to remove it and prevent further damage.

What Is Trojan.Downloader.GSA?

Trojan.Downloader.GSA is a type of Trojan horse malware, which is a broad category of malicious software that disguises itself as legitimate software. The term "Trojan" refers to the fact that this malware can enter your system by masquerading as a harmless program or file. The "Downloader" part of the name indicates that this malware may be designed to download additional malicious components or software from the internet. The "GSA" part of the name may refer to a specific variant or component of the malware, but without further information, it is difficult to determine its exact significance.

How Trojan.Downloader.GSA Operates

Once installed on your system, Trojan.Downloader.GSA may operate in various ways, depending on its intended purpose. It may attempt to download and install additional malware or unwanted programs, which can lead to a range of problems, including data theft, system crashes, and slowed performance. This malware may also try to communicate with its creators or other malicious servers to receive instructions or transmit stolen data. It is crucial to remove this malware as quickly as possible to prevent further damage and potential security breaches.

Symptoms of Infection

Identifying the symptoms of a Trojan.Downloader.GSA infection can be challenging, as this malware is designed to operate stealthily. However, some common signs of infection may include slowed system performance, unexpected pop-ups or advertisements, and unfamiliar programs or icons on your desktop. You may also notice that your browser homepage or search engine has been changed without your consent, or that your system is experiencing frequent crashes or freezes. If you suspect that your system has been infected with Trojan.Downloader.GSA, it is essential to take immediate action to remove the malware and prevent further damage.

How to Remove Trojan.Downloader.GSA

  1. Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow you to download and install removal tools.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and detect and remove the Trojan.Downloader.GSA malware.
  3. Uninstall any suspicious programs or software that may be related to the malware 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 system and perform a follow-up scan with your anti-malware tool to ensure that the malware has been completely removed.

Conclusion

Removing Trojan.Downloader.GSA from your system requires careful attention to detail and a thorough understanding of the malware removal process. By following the steps outlined above and using reputable anti-malware tools, you can help to ensure that your system is completely free of this malicious software. Remember to always be cautious when downloading software or files from the internet, and to keep your operating system and security software up to date to prevent future infections. If you are unsure about any aspect of the removal process, consider seeking the advice of a qualified computer security professional to ensure that your system is fully protected.

Analysis Report

General information

Family Name: Trojan.Downloader.GSA
Signature status: No Signature

Known Samples

MD5: 19f29f466d8310b7858a5cb97357956f
SHA1: b81e086f1079b7e22084dbd128447d34b0a20711
SHA256: 01A245FD7D9C3DD3B26931CDEABE1CA733C59AD35A19AC9A20B4F6F8E2AFC1E3
File Size: 601.09 KB, 601088 bytes
MD5: 65e3d814d24f748614bb3907a548f2ff
SHA1: 7dea8ea72e9bac13f932c56f0a2b9e7816b279b3
SHA256: 9746CB73D8BC256194F0FEFEAF7449D492629F4B7CF5EC11453154E45E05F564
File Size: 601.09 KB, 601088 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 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
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
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  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • HighEntropy
  • No Version Info
  • x86

Block Information

Total Blocks: 615
Potentially Malicious Blocks: 34
Whitelisted Blocks: 581
Unknown Blocks: 0

Visual Map

x x 0 x x x x x x x x x x x x x x x x 0 x 0 x 0 x 0 x 0 0 x 0 x 0 0 0 x x 0 x x x x x x x x 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 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 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 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 1 1 1 0 0 0 0 0 0 2 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 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 1 0 0 0 0 0 0 0 1 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 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 0 0 0 0 0 0 0 0 0 0 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 0 0 0 0 0 0 0 0 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 0 0 0 0 0 0 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 2 2 0 0 3 1 1 0 0 1 0 0 1 1 0 0 2 0 0 0 0
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

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