my work on 99designs has been stolen and posted here for sale

[GianLuna2021]

I'm am a top level designer on 99designs. I noticed that someone stole my work there, and put it up for sale here. Is this normal? What I can do for obtain removal?

File posted on Adobe stock:

https://stock.adobe.com/it/images/head-animal-bison-logo-hand-drawn/321173236?prev_url=detail

My work on 99 designs:

https://99designs.it/logo-design/contests/california-based-construction-company-plumbing-logo-surpas...

https://99designs.it/logo-design/contests/outdoor-lifestyle-brand-needs-logo-964032/entries/61

And in a different websites and contest time ago ... 2015:

https://www.logomyway.com/contestView.php?contestId=18653

entry #90 by Nagi12

[RALPH_L]

Contact Adobe. 

Unfoirtunately we cannot help.

[Test Screen Name · Accepted solution]

You need to file a DMCA takedown request with Adobe. This is a legal form, and gives both parties an opportunity to comment. https://www.adobe.com/uk/legal/dmca.html

[GianLuna2021]

Thanks for the answers
I used the form and the account has been closed