Threat Database Backdoors Backdoor.Agent.OISF

Backdoor.Agent.OISF

By CagedTech in Backdoors

Threat Scorecard

Threat Level: 60 % (Medium)
Infected Computers: 1
First Seen: October 24, 2025
Last Seen: February 19, 2026
OS(es) Affected: Windows

The detection of Backdoor.Agent.OISF on your system indicates a potential security threat that requires immediate attention. This backdoor threat can compromise your system's security and allow unauthorized access to your data. In this report, we will provide an overview of what Backdoor.Agent.OISF is, how it operates, and the steps you can take to remove it from your system.

What Is Backdoor.Agent.OISF?

Backdoor.Agent.OISF is a type of malware that creates a backdoor on your system, allowing hackers to remotely access and control your computer. This can lead to a range of malicious activities, including data theft, keystroke logging, and the installation of additional malware. The name Backdoor.Agent.OISF suggests that it is a backdoor threat, but it does not provide specific information about the malware family or its origins.

How Backdoor.Agent.OISF Operates

Backdoor threats like Backdoor.Agent.OISF typically operate by creating a hidden channel of communication between your system and a remote server controlled by the hacker. This allows the hacker to send commands to your system and receive data in return, all without your knowledge or consent. The malware may also use various techniques to evade detection, such as disguising itself as a legitimate program or using encryption to hide its communications.

Once installed on your system, Backdoor.Agent.OISF can be used to carry out a range of malicious activities, including stealing sensitive data, installing additional malware, and using your system as a botnet to launch attacks on other computers. It is essential to remove the malware as quickly as possible to prevent further damage and protect your personal data.

Symptoms of Infection

The symptoms of a Backdoor.Agent.OISF infection can be subtle, but they may include unusual system behavior, such as slow performance, unexpected crashes, or unfamiliar programs running in the background. You may also notice that your system is connecting to unfamiliar servers or that your data is being transmitted to unknown locations. If you suspect that your system is infected with Backdoor.Agent.OISF, it is crucial to take immediate action to remove the malware and prevent further damage.

How to Remove Backdoor.Agent.OISF

  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 Backdoor.Agent.OISF malware.
  3. Uninstall any suspicious programs that may be related to the malware, and be cautious when installing new software to avoid reinfecting your system.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or settings that may have been installed by the malware.
  5. Reboot your system and perform a follow-up scan to ensure that the malware has been completely removed and that your system is clean.

Conclusion

In conclusion, the detection of Backdoor.Agent.OISF on your system is a serious security threat that requires immediate attention. By understanding how the malware operates and taking the necessary steps to remove it, you can protect your personal data and prevent further damage to your system. Remember to always be cautious when installing new software, and keep your anti-malware tools up to date to prevent future infections. If you are unsure about how to remove Backdoor.Agent.OISF or need additional assistance, consider seeking help from a qualified IT professional or a reputable anti-malware support service.

Analysis Report

General information

Family Name: Backdoor.Agent.OISF
Signature status: No Signature

Known Samples

MD5: 565a23ef26d673800d6d0cc1602c17c8
SHA1: a12d19a61516785077b84483a434e7732cc4c532
SHA256: AFB377E5F6E71EF9BEC4114E1C86E44B14624B15392B0E2C9DFB1CCCA6950CD1
File Size: 135.68 KB, 135680 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have security information
  • File has exports table
  • 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)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

Windows PE Version Information

Name Value
Comments Scanned Administered Disk scanner
Company Name ConfigEstate
Company Short Name ConfigEstate
File Description Administered Disk Preset
File Version 2.1.52.3025
Internal Name Administered Disk
Legal Copyright Copyright © 2018-2021 ConfigEstate. All rights reserved.
Legal Trademarks Administered Disk is a trademark of ConfigEstate.
Original Filename AdministeredDiskExperiment.exe
Product Name Administered Disk
Product Short Name AdministeredDisk
Product Version 14.20.3120.4837

File Traits

  • HighEntropy
  • x86

Block Information

Total Blocks: 46
Potentially Malicious Blocks: 40
Whitelisted Blocks: 6
Unknown Blocks: 0

Visual Map

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

Similar Families

  • Agent.OISD
  • Agent.OISF

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