I had the same problem that others have recently described, with each new site opened in the browser (Chrome) eliciting the "Malicious URL Blocked" pop-up message, so I ran all the initial scans detailed in the instructions provided, and will attach those logs here. The message actually stopped happening after the reboot required by the first tool (AdwCleaner), but even so, I am now very worried about what may still be lurking, mostly because I use this beast for online banking... in addition to my job and everything else. The Malwarebytes quick scan came up with four problems that it was then able to successfully remove... Not sure if that's pertinent info, but there it be. If someone on here can take a gander at the attached logs and let me know what, if anything, still needs to be done, I'd really appreciate it... Thanks.