Hosts Block is a lightweight free tool which automatically blocks access to a range of online threats.
The program doesn't require browser addons or any other intrusive system components. Instead it just regularly updates your HOSTS file with the latest MVPS or Malware Domain List information, so preventing you accessing thousands of known dangerous sites.
An "Active Protection" feature offers another benefit, by preventing malware from changing your HOSTS file.
There are plenty of configuration options. You're able to set up custom host file sources, choose your preferred update frequency, edit the HOSTS file yourself, set up exclusion lists, and more.
Alternatively, install the program and forget about it. The default settings will normally work just fine, and if you do have any problems you're able to restore the default HOSTS in a click or two.
Verdict:
Hosts Block generally worked well for us, blocking access to many risky sites with no effort at all. But if you have some other security tool protecting the HOSTS file then you may run into problems. We found the program didn't detect the situation, instead crashing when it tried to update the file.
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