Steam Item Restoration Policy
https://steamhost.cn/help_steampowered_com/en/faqs/view/3B6E-B322-2400-8D24

Originally posted by Callahan420:

Steam Item Restoration Policy
https://steamhost.cn/help_steampowered_com/en/faqs/view/3B6E-B322-2400-8D24

How does this help

Do the following to secure your account:

1. Scan for malware https://www.malwarebytes.com/
2. Check that the email and phone number on the Steam account are still yours.
3. Deauthorize all other devices https://steamhost.cn/twofactor/manage
4. Change passwords from a trusted/clean device.
5. Generate new backup codes for your Mobile App https://steamhost.cn/twofactor/manage
6. Revoke the API key https://steamhost.cn/steamcommunity_com/dev/apikey (there should be nothing in the APIKEY)


As for your items they are gone and wont be returned.

Here is more info about the scam you fell for: https://steamhost.cn/help_steampowered_com/en/faqs/view/3195-9FFB-BA06-F25B


And more info about scams in general:
https://steamhost.cn/help_steampowered_com/en/faqs/view/70E6-991B-233B-A37B