Rootkit scanner is scanning tool to ensure you for about 99.9%* you’re clean of nasty tools. This tool scans for rootkits, backdoors and local exploits by running tests like: MD5 hash compare, MD5 compare, LKM and KLD modules. Rootkit Hunter is available on the market for $99.99 ($100,000) and is free to download from Amazon.com/Rootkit Hunter for $100.99/GBGB.
Source: https://thehackernews.com/2011/09/rootkit-hunter-rootkit-scanning-tool.html