That looks like it's an electrum seed and electrum password.
Decryption an electrum seed takes a theoretical MASSIVE amount of time (literally thousands of years)
Electrum is gaurds the private key with a seed, and it protects the seed with a password
Your best bet is to try to remember the seed, or the password protecting the seed
If this helped, pls consider donating

1Dp9qChfSHETn3YT3vgnX3TV3gvxNv5bC4
To open the wallet i need this password : VsIJxlznWkfRauhF6sGvjdZxt3qtWDdVQjbE+KFtKXjarc7IfcJxbWq9LACWVO7t8Rqwp+/OvbJHsxzwZ6Ys8Q==
but decrypted.
I have a second password ... plain text, that decrypts the wallet password , but I dont know the encryption alghoritm.... Hope you guys understand.