Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.
More information on the scanning and removal options available in your F-Secure product can be found in the Help Center.
You may also refer to the Knowledge Base on the F-Secure Community site for more information.
These redirect scripts are typically hosted on malicious or compromised websites.
The unsolicited website the user is redirected to may have any or all of the following characteristics:
For a representative example of Trojan:JS/Redirector variants, see: