Allow F-Secure Anti-Virus to disinfect the relevant files.
For more general information on disinfection, please see Removal Instructions.
Trojan:JS/Redirector.l may arrive on the computer bundled together with other malicious files, or may be unknowingly downloaded from a compromised or malicious website.
Once installed, the trojan hijacks the browser; users navigating to a particular website are redirected to a pornographic website.