Threat Database Trojans Trojan.Almanahe.B!sys

Trojan.Almanahe.B!sys

By CagedTech in Trojans
Published:
Last updated:

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 63
First Seen: February 5, 2013
Last Seen: May 24, 2025
OS(es) Affected: Windows

The detection of Trojan.Almanahe.B!sys on your system indicates a potential security threat that requires immediate attention. This report provides an overview of the threat, its operating methods, symptoms of infection, and steps to remove it from your system.

What Is Trojan.Almanahe.B!sys?

Trojan.Almanahe.B!sys is identified as a Trojan-type threat, which is a category of malware that disguises itself as legitimate software to gain unauthorized access to a computer system. The name itself does not directly indicate a specific malware family, but rather serves as a detection identifier. Trojans are known for their ability to allow attackers to access a system remotely, potentially leading to data theft, system compromise, and further malware installations.

How Trojan.Almanahe.B!sys Operates

Trojan.Almanahe.B!sys, like other Trojans, is designed to operate stealthily, attempting to evade detection by security software. It may exploit vulnerabilities in software or use social engineering tactics to trick users into installing it. Once installed, it can create backdoors, allowing remote access to the system. This access can be used for a variety of malicious purposes, including data theft, installing additional malware, or using the compromised system for spamming or as part of a botnet.

Symptoms of Infection

Symptoms of a Trojan infection can vary widely, depending on the specific goals of the malware and the actions taken by the attackers. Common symptoms include unusual system behavior, such as unexpected crashes, slow performance, or unfamiliar programs and icons appearing on the desktop. Additionally, there may be signs of unauthorized access or changes to system settings. However, some Trojans can operate without displaying any noticeable symptoms, making them particularly dangerous and difficult to detect without proper security tools.

How to Remove Trojan.Almanahe.B!sys

  1. Boot your system into Safe Mode with Networking. This will help prevent the malware from loading and make it easier to remove.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated with the latest definitions to increase the chances of detecting and removing the Trojan.
  3. Uninstall any suspicious programs that were recently installed. Be cautious and only remove programs that you are certain are not needed or are identified as malicious by your security software.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings. This can help remove any malicious extensions or settings changes made by the Trojan.
  5. After completing the above steps, reboot your system and perform another full scan with your anti-malware tool to ensure that all components of the Trojan have been removed.

Conclusion

Removing Trojan.Almanahe.B!sys requires careful and systematic steps to ensure that all traces of the malware are eliminated from your system. It's crucial to use reputable security software and follow best practices for system security to prevent future infections. Regularly updating your operating system, applications, and security software, as well as being cautious when opening email attachments or downloading software from the internet, can significantly reduce the risk of malware infections. By staying informed and taking proactive measures, you can protect your system and data from threats like Trojan.Almanahe.B!sys.

Aliases

15 security vendors flagged this file as malicious.

Antivirus Vendor Detection
Panda Rootkit/Almanahe.E
AVG BackDoor.Ntrootkit.AI
Fortinet W32/Agent.GA!tr
Ikarus Rootkit.Win32.Agent
AhnLab-V3 Win-Trojan/Rootkit.17152
Microsoft Trojan:WinNT/Almanahe.B!sys
Antiy-AVL Trojan/Win32.Agent.gen
Sophos Troj/NTRootK-BU
AntiVir TR/Rootkit.Gen
Comodo Win32.Alman.NAB
Kaspersky Rootkit.Win32.Agent.ga
ClamAV W32.Alman-5
eSafe Win32.Hacktool
Avast Win32:Rootkit-gen [Rtk]
Symantec Hacktool.Rootkit

SpyHunter Detects & Remove Trojan.Almanahe.B!sys

File System Details

Trojan.Almanahe.B!sys may create the following file(s):
# File Name MD5 Detections
1. nvmini.sys 01f4112ee9f2e11b8e952e4ff026b319 44