(CNN) -- When the Department of Justice shut down Megaupload.com last month, it wasn't just Megaupload users' files that went offline.

The move prompted changes in the way other file-hosting sites share content and shook up anti-abuse departments across the industry.

Since the federal crackdown, third-party aggregate sites no longer link to Megaupload's video host, Megavideo, which has also been shut down.

File host videobb did not respond to questions from CNN regarding its anti-abuse policies, but links to the site's content were noticeably absent from sites like Side Reel following Megaupload's shutdown. Direct links to videobb's movies and TV shows that were available less than a month ago are now gone.

The change suggests videobb is stepping up anti-abuse efforts in order to avoid the fate of Megaupload, a Hong Kong-based site which is accused of knowingly hosting illegally pirated material. It would be almost impossible for videobb to completely eliminate illegal content, but just the effort to do so may be enough to shield it from criminal charges.

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