Threat Database Trojans Trojan.Bagsu.B

Trojan.Bagsu.B

By CagedTech in Trojans
Published:
Last updated:

Threat Scorecard

Threat Level: 90 % (High)
Infected Computers: 6
First Seen: July 24, 2009
Last Seen: November 23, 2025
OS(es) Affected: Windows

The detection of Trojan.Bagsu.B on your system indicates a potential security threat that requires immediate attention. Trojan.Bagsu.B is a type of malware that can compromise the security and integrity of your computer, putting your personal data and sensitive information at risk. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future infections.

What Is Trojan.Bagsu.B?

Trojan.Bagsu.B is a malicious program designed to infiltrate and damage computer systems. The term "Trojan" refers to a type of malware that disguises itself as legitimate software, allowing it to evade detection and gain unauthorized access to a system. Once inside, Trojan.Bagsu.B can perform a variety of malicious activities, including data theft, system compromise, and disruption of normal computer functions.

How Trojan.Bagsu.B Operates

Trojan.Bagsu.B, like other Trojans, operates by exploiting vulnerabilities in software or human error to gain access to a system. It can be spread through various means, such as malicious downloads, infected email attachments, or compromised websites. Once installed, it can create backdoors for remote access, allowing attackers to control the infected system, steal sensitive information, or use the system for malicious activities like spamming or distributing malware.

Symptoms of Infection

Identifying a Trojan.Bagsu.B infection can be challenging due to its stealthy nature. However, several symptoms may indicate its presence. These include unexpected system crashes, slow performance, unusual network activity, appearance of unfamiliar programs or icons, and pop-ups or other unwanted advertisements. If you notice any of these symptoms, it is crucial to take immediate action to secure your system and remove the malware.

How to Remove Trojan.Bagsu.B

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to gain better control over your system.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This will help identify and remove all components of the Trojan.Bagsu.B malware.
  3. Uninstall any suspicious programs or applications that you do not recognize or that were installed around the time the malware was detected.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or settings changes made by the malware.
  5. After completing the above steps, reboot your computer and perform another full scan with your anti-malware tool to ensure that all malware components have been removed.

Conclusion

The removal of Trojan.Bagsu.B requires careful and immediate action to prevent further damage to your system and protect your personal data. By understanding how this malware operates and following the steps outlined for its removal, you can help secure your computer and prevent future infections. It is also important to maintain good cybersecurity practices, including keeping your operating system and software up to date, using strong antivirus software, and being cautious when downloading files or clicking on links from unknown sources. Remember, vigilance and proactive measures are key to protecting your digital security in today's evolving threat landscape.

Aliases

15 security vendors flagged this file as malicious.

Antivirus Vendor Detection
Symantec Downloader.Bancos
Sunbelt Trojan-Banker.Win32.Banker.GeN
NOD32 a variant of Win32/Spy.Banker.LTW
Microsoft TrojanSpy:Win32/Banker.HG
McAfee-GW-Edition Trojan.Spy.Banker.Gen
McAfee Generic Downloader.c
K7AntiVirus Trojan-Spy.Win32.Banker.qns
Ikarus Trojan-Spy.Win32.Banker.YP
F-Secure Trojan-Banker.Win32.Banker.qns
eSafe Win32.GenericDownloa
Comodo TrojWare.Win32.Spy.Banker.qns
ClamAV Trojan.Bancos-7882
CAT-QuickHeal Win32.TrojanSpy.Bancos.gen!A.8
BitDefender Trojan.Generic.373906
Avast Win32:Trojan-gen {Other}

SpyHunter Detects & Remove Trojan.Bagsu.B

File System Details

Trojan.Bagsu.B may create the following file(s):
# File Name MD5 Detections
1. krn4.exe 1336163155d86bc13526c46ec6bfad3d 0