[thisisausername]

I was wondering if there was any way I could block malicious websites using some sort of user script which I could plug into my Greesemonkey add-on for Firefox. Any suggestions, wayward to perfect are appreciated.

Thanks.

[hewee]

Get a good hosts file manager and a hosts file.
Then if the site is not listed then you just add the site to it.

I use HostsMan but HostsXpert is another.

Plus a Hosts file will work on the all Browsers.

You can password protect Hostsman also. Or it installs to the main Admin account and user account have limited rights and can not change the hosts file.

Blocking Unwanted Parasites with a Hosts File

[Kenny_]

SpyBot S&D comes with decent malicious site blocking capabilities and an exceptional browser immunizer. I think it'd be worth your time to try it.

Like Hewee said, you should just edit your Hosts file (in XP: c:\windows\system32\drivers\etc). You can crawl search engines for a pre-made list of malicious sites, and just copy/paste them into your Hosts file.

And I'm not sure if they've made a GreaseMonkey script for the aforementioned purpose. You should go here and contact the webmaster; he developed one third of GreaseMonkey; he should know.