Spybot not updating
If you do not already have a copy of Spybot Search and Destroy, this free (for personal use) spyware scanner can be downloaded from
After downloading and installing Spybot, continue with the steps below.
Fortunately, there are steps you can take to prevent unwanted modifications to the HOSTS file.
Spybot Search & Destroy includes several free utilities that will not only block changes to the HOSTS file, but can also protect the Registry from unauthorized changes, enumerate startup items for quick analysis, and block known bad or alert on unknown Active X controls.
Thus, before locking down the HOSTS file, first make sure there are no unintended entries currently present.
To do so: That's it as far as locking the HOSTS file goes.
Users who gave Spybot Search & Destroy a negative review said that it takes a lot of PC memory once it starts scanning.
Malware authors are increasingly using the HOSTS file to block access to antivirus and security websites.
Adware may also impact the HOSTS file, redirecting access to gain affiliate page view credit or to point to a booby-trapped website that downloads further hostile code.
One user who gave Spybot Search & Destroy a negative review on G2 Crowd said that the scanner consumes too much space of his computer memory and that the updates take slower than expected.
He also complained that some good features are limited because it is free.