Threat Database Trojans BrowserModifier.Agent

BrowserModifier.Agent

By CagedTech in Trojans
Published:
Last updated:

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 5
First Seen: November 30, 2010
OS(es) Affected: Windows

The detection of BrowserModifier.Agent on your system indicates a potential threat to your computer's security and integrity. This Trojan-type threat is designed to modify your browser settings, potentially leading to unwanted changes in your browsing experience, data theft, and further system compromise. It is essential to understand the nature of this threat and take immediate action to remove it from your system.

What Is BrowserModifier.Agent?

BrowserModifier.Agent is a type of malware that targets web browsers, modifying their settings and behavior to suit the attacker's goals. This can include changing the default homepage, search engine, or installing unwanted extensions. The primary purpose of such modifications is often to generate revenue through affiliate marketing, redirecting users to specific websites, or collecting sensitive information such as login credentials and browsing history.

How BrowserModifier.Agent Operates

BrowserModifier.Agent, like other Trojan-type threats, typically operates by exploiting vulnerabilities in software or tricking users into installing it. Once installed, it can run in the background, making changes to browser settings without the user's knowledge or consent. It may also communicate with its command and control servers to receive updates or send stolen data. The operation of BrowserModifier.Agent can be stealthy, making it challenging for users to detect its presence solely based on system performance or visible changes.

Symptoms of Infection

Symptoms of a BrowserModifier.Agent infection can vary but often include noticeable changes to your web browser's behavior. You might observe changes in your homepage, default search engine, or the appearance of unwanted toolbars and extensions. Your browser may also become slower, or you might experience an increase in pop-up advertisements. In some cases, the malware might redirect you to suspicious websites or prevent you from accessing certain web pages.

  • Unwanted changes to browser settings, such as homepage or default search engine.
  • Appearance of unwanted toolbars or extensions.
  • Increased number of pop-up advertisements.
  • Redirection to suspicious or unwanted websites.
  • Difficulty accessing certain web pages or performing searches.

How to Remove BrowserModifier.Agent

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for a clean environment to perform removal steps.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help identify and remove the malware and other potential threats.
  3. Uninstall any suspicious programs or applications that you do not recognize or that were installed around the time the symptoms began.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings. This will remove any changes made by the malware, including unwanted extensions and modified settings.
  5. Reboot your computer and perform another scan with your anti-malware tool to ensure that the threat has been fully removed.

Conclusion

Removing BrowserModifier.Agent from your system requires careful and thorough steps to ensure that all components of the malware are eliminated. It is crucial to act quickly to prevent further damage or data theft. By following the steps outlined above and maintaining good computer hygiene practices, such as regularly updating your software and being cautious with email attachments and downloads, you can protect your system from similar threats in the future. Remember, vigilance and the use of reputable security software are key to safeguarding your digital environment.

Aliases

15 security vendors flagged this file as malicious.

Antivirus Vendor Detection
Panda Adware/MalwareAlarm
AVG Downloader.Generic7.AFQH
Ikarus AdWare.BHO.LK.200704
Sunbelt Adware.BHO.gen
AhnLab-V3 Win-AppCare/Bho.200704
Microsoft BrowserModifier:Win32/Agent
Antiy-AVL Trojan/Win32.Obfuscated.gen
eTrust-Vet Win32/Sipay.H
AntiVir ADSPY/Bho.LK.200704
Comodo UnclassifiedMalware
Sophos Troj/BHO-NW
Avast Win32:Adware-gen
Symantec Downloader.MisleadApp
NOD32 probably a variant of Win32/TrojanDownloader.Agent
McAfee Generic Downloader.x

File System Details

BrowserModifier.Agent may create the following file(s):
# File Name MD5 Detections
1. webperform.dll 159a0c1a9482528347381738bab28549 5