If your email and password are changed on the account then there is no way to recover the account. This company has a very strict policy with recovering accounts and if anything is different then you cannot recover the account. You must have the original email or phone number on the account.
The issue in GetHuman-ventrigl's own words
The problem: My account on steam has been hacked
GetHuman-ventrigl did not yet indicate what Steam Software should do to make this right.
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How GetHuman-ventrigl fixed the problem
We are waiting for GetHuman-ventrigl to fix the problem and share the solution with the rest of us customers.
Follow this to see how it gets fixed
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We've taken the time to write instructions for how to solve some of the most common Steam Software customer problems.