“Fortnight.B Remover” (frequently searched with the spelling variant “Fortnite.B Remover”) typically refers to an antivirus utility or specialized removal tool designed to target and eliminate a historic internet worm known as Trojan:JS/Fortnight.B.
If your modern antivirus software flagged this or if you are looking to remove it, here is everything you need to know about the threat and how to clean it. What is JS/Fortnight.B?
Classification: It is a JavaScript-based email worm first discovered in the early 2000s.
Infection Method: It spreads via infected emails using a hidden IFRAME. When a user opens the message, the script exploits an old Microsoft Virtual Machine ActiveX vulnerability to automatically execute.
Malicious Actions: Once active, it modifies the signature settings of email clients (specifically Outlook Express) so every message you send secretly spreads the infection. It also drops an s.htm file and alters your system’s “hosts” file.
Alternative Names: Depending on your security provider, it may show up as Trojan:JS/Fortnight.B, JS/Fortnight@m, or Worm.JS.Fortnight.b. How to Safely Remove It
Because this is an old script exploit, you do not need an exclusive or standalone “Fortnight.B Remover” program (which are often old, obsolete, or misleadingly packaged). Standard, modern security tools handle it instantly.
Run Microsoft Defender: If you are on Windows, open Windows Security, select Virus & threat protection, and perform a Full Scan. Microsoft Defender natively flags and quarantines this threat family.
Use Malwarebytes: Download the free version of Malwarebytes to run a secondary scan. This ensures any leftover browser cookies, registry modifications, or rogue .htm files are wiped clean.
Clear Browser Cache: Since the worm relies on script-based infection markers (like tracking cookies), clear your web browser’s history, cache, and cookies. Using Item Remover Devices in Fortnite Creative
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