Really weird issue here. I'm the IT guy for a law firm. One of the lawyers contacted a company because their website had text with links, for odd things in the middle of some of their pages. It wasn't making links out of existing text, it was inserting text in the middle of the page. They told him it was on his end, maybe a dns ip redirect. I pulled up the same site on my machine (Win7, firefox), and got the same weird ads. Tried it on another machine (XP, firefox) and got the same ads. Tried Chrome and IE on both computers, still got the ads. They aren't just highlighted words with links, it's text, with a few words as links. When I save the page, the text gets saved as text in the html file. I connected to my home computer with gotomypc, and tried from there, and the page loaded normally, no extra text, no links, no ads. Tried a couple more computers at work, they all have the extra text ads/links. I'm stumped. Malwarebytes finds nothing. Happens on XP and Win7, with all three browsers. No unusual browser extensions. If I ping the website, it doesn't respond, obviously, but it does go to the same IP address from work as it does from home, so it doesn't appear to be a full-blown DNS redirect. Doesn't seem to happen with any other websites (I haven't exactly tried every website out there, but the two of us haven't noticed it on any other website we've been to today).
Any idea what to look at next?
An example (I have screenshots, not sure how to, or if I should, attach them)
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