Threat Database Trojans Trojan.Downloader.Gen.OB

Trojan.Downloader.Gen.OB

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 12,753
Threat Level: 80 % (High)
Infected Computers: 8
First Seen: March 2, 2026
Last Seen: July 19, 2026
OS(es) Affected: Windows

The detection of Trojan.Downloader.Gen.OB on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise your computer's security and potentially lead to further malicious activities. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future infections.

What Is Trojan.Downloader.Gen.OB?

Trojan.Downloader.Gen.OB is a type of Trojan horse malware that is designed to download and install additional malicious software on your computer. The term "Trojan" refers to the fact that this malware disguises itself as a legitimate program or file, allowing it to evade detection and gain access to your system. The "Downloader" part of the name indicates that this malware is capable of downloading and installing other malicious programs, which can lead to a range of problems, including data theft, system compromise, and disruption of normal computer operation.

How Trojan.Downloader.Gen.OB Operates

Trojan.Downloader.Gen.OB operates by exploiting vulnerabilities in your system or tricking you into installing it. Once installed, it can connect to a remote server to download and install additional malware, which can include keyloggers, ransomware, or other types of malicious software. This malware can also modify system settings, disable security software, and create backdoors to allow remote access to your computer. The goal of Trojan.Downloader.Gen.OB is to compromise your system's security and potentially steal sensitive information, such as login credentials, financial data, or personal information.

Symptoms of Infection

The symptoms of a Trojan.Downloader.Gen.OB infection can vary, but common signs include slow system performance, unexpected pop-ups or advertisements, and unfamiliar programs or icons on your desktop. You may also notice that your browser is being redirected to unfamiliar websites, or that your computer is crashing or freezing frequently. In some cases, you may not notice any symptoms at all, which is why it's essential to run regular virus scans and maintain up-to-date security software.

How to Remove Trojan.Downloader.Gen.OB

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow you to download and install removal tools.
  2. Download and install a reputable anti-malware tool, such as SpyHunter, and run a full scan of your system to detect and remove Trojan.Downloader.Gen.OB and any associated malware.
  3. Uninstall any suspicious programs or applications that you don't recognize or that were installed around the time of the 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 run another full scan with your anti-malware tool to ensure that the malware has been completely removed.

Conclusion

Removing Trojan.Downloader.Gen.OB requires careful attention to detail and a thorough understanding of the malware's behavior. By following the steps outlined above and maintaining good security practices, such as keeping your operating system and software up to date, using strong passwords, and avoiding suspicious downloads, you can help protect your computer from future infections. Remember that prevention is key, and staying informed about the latest malware threats is essential to keeping your computer and personal data safe.

Analysis Report

General information

Family Name: Trojan.Downloader.Gen.OB
Signature status: No Signature

Known Samples

MD5: 9536a8d0d0c0bf51e227e4f4fa89e223
SHA1: 2bd67ea92fe3946f3519808a402713539863c1ee
SHA256: F5FCF130AD093BF0A846B9782877434D04F79A71AB77856E7A350040F9D852F7
File Size: 2.96 MB, 2962432 bytes
MD5: cca75b1e279939b6d9fdf8119279b06c
SHA1: d0402763f66bbaecb5c99b094b0eabcaaf928ee3
SHA256: 0ED3834A087A20B2DB1F41A4052F30E94A2E4829A2C89AE0D0FF8E2542F8E3E5
File Size: 2.96 MB, 2962944 bytes
MD5: ac8410c01984f6b3f511bafaa3c57402
SHA1: 56091f17feec4b2f167726666dfa19322a35277a
SHA256: C32959A5B3319007D3DA22A9382CCFB65B7C8D9B0645C016287961AB949C9CC3
File Size: 3.06 MB, 3056128 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 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
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  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Icons

Windows PE Version Information

Name Value
Comments No Comments
Company Name
  • CursoMecaNet
  • MecaNet
File Description
  • Curso de mecanografía MecaNet
  • Curso de mecanografía CursoMecaNet
File Version
  • 25.01.11.0
  • 24.04.18.0
  • 21.1.1.0
Internal Name
  • CursoMecaNet
  • MecaNet
Legal Copyright
  • Copyright © 2021 CursoMecaNet
  • Copyright © 2024 MecaNet
  • Copyright © 2025 MecaNet
Legal Trademarks No Legal Trademarks
Original File Name
  • CursoMecaNet.exe
  • MecaNet.exe
Product Name
  • CursoMecaNet
  • MecaNet
Product Version
  • 25.01.11.0
  • 24.04.18.0
  • 21.1.1.0

File Traits

  • x86

Block Information

Total Blocks: 2,237
Potentially Malicious Blocks: 620
Whitelisted Blocks: 1,546
Unknown Blocks: 71

Visual Map

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

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