Skip to main content
Skip to main content
Microsoft Security Intelligence
Cart 0 items in shopping cart
Sign in
Published Nov 25, 2007 | Updated Sep 15, 2017

TrojanDownloader:JS/Istbar.AI

Detected by Microsoft Defender Antivirus

Aliases: HTML/IstBar (AhnLab) JS/ForcePopup (Command) Trojan.Downloader.JS.IstBar.B (BitDefender) JS/TrojanDownloader.IstBar.Q (ESET) Trojan-Downloader.JS.IstBar.ai (Kaspersky) Trojan:JS/Agent.FA (Microsoft) Adware.Istbar (Symantec)

Summary

TrojanDownloader:JS/Istbar.AI is detection for JavaScript code that bypasses certain pop-up blockers to display advertisements. JS/Istbar.AI may install unwanted ActiveX components.
Use up-to-date antivirus software
Most antivirus software can detect and prevent infection by known malicious software. To help protect your computer from infection, you should always run antivirus software that is updated with the latest signature files. Antivirus software is available from several sources.
Using Windows Defender to remove unwanted software
  1. When any unwanted software is detected, Windows Defender will show a "Remove All" button.
  2. Click the "Remove All" button to remove the unwanted software from your computer.
 
Follow us