Threat Database Trojans Trojan.Downloader.Agent.B

Trojan.Downloader.Agent.B

By CagedTech in Trojans
Published:
Last updated:

Threat Scorecard

Popularity Rank: 20,458
Threat Level: 90 % (High)
Infected Computers: 1,910
First Seen: July 24, 2009
Last Seen: September 11, 2026
OS(es) Affected: Windows

The detection of Trojan.Downloader.Agent.B on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to secretly install additional malicious software on your computer, which can lead to a range of problems, including data theft, system crashes, and unauthorized access to your personal information.

What Is Trojan.Downloader.Agent.B?

Trojan.Downloader.Agent.B is a type of Trojan horse malware that is designed to download and install other malicious programs on your computer. The name "Trojan" refers to the fact that this type of 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 specifically designed to download additional malicious software, which can include viruses, spyware, adware, and other types of malware.

How Trojan.Downloader.Agent.B Operates

Trojan.Downloader.Agent.B typically 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, and other types of malicious software. This malware can also modify your system settings, disable security software, and create backdoors to allow remote access to your computer.

Symptoms of Infection

The symptoms of a Trojan.Downloader.Agent.B infection can vary, but common signs include slow system performance, unexpected pop-ups and ads, unfamiliar programs or icons on your desktop, and unusual network activity. You may also notice that your antivirus software is disabled or that your system is crashing frequently. In some cases, you may not notice any symptoms at all, which is why it's essential to run regular virus scans and keep your security software up to date.

How to Remove Trojan.Downloader.Agent.B

  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 to detect and remove all instances of Trojan.Downloader.Agent.B and any related malware.
  3. Uninstall any suspicious programs or applications that you don't recognize or that were installed without your knowledge or consent.
  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 all instances of the malware have been removed.

Conclusion

Removing Trojan.Downloader.Agent.B from your system requires careful attention to detail and a thorough understanding of the malware removal process. By following the steps outlined above and taking proactive measures to protect your system, you can help prevent future infections and keep your personal data and computer safe. Remember to always keep your security software up to date, avoid suspicious downloads and email attachments, and use strong passwords to protect your online accounts.

Aliases

15 security vendors flagged this file as malicious.

Antivirus Vendor Detection
TrendMicro TROJ_DLOADER.BUO
Symantec Adware.Shorty
Sunbelt Maxifiles
Sophos Troj/Banker-ABT
Prevx1 Malicious Software
Panda Adware/Maxifiles
McAfee Generic Downloader.h
K7AntiVirus Non-Virus:AdWare.Win32.Maxifiles.y
Ikarus not-a-virus:AdWare.Win32.Maxifiles.y
Fortinet Dloader.H!tr
F-Secure AdWare.Win32.Maxifiles.y
eWido Adware.Maxifiles
eSafe Spyware.Shorty
CAT-QuickHeal AdWare.Maxifiles.y (Not a Virus)
BitDefender Trojan.Downloader.6610.A

File System Details

Trojan.Downloader.Agent.B may create the following file(s):
# File Name MD5 Detections
1. network.exe 72f91f50d4315411cf79a3cb6a02c2fe 0
2. topaff.exe 18e2bf900b08616962d69688f741810a 0