While the credentials often originate from Russian leaks (like the massive Mail.ru or VK breaches), they are used globally to hijack accounts on Western services.
When a file like "shroudzero.txt" is described as , it suggests that any original encryption or hashing protecting the passwords has been bypassed, making the credentials immediately usable. russiaemailpasshqcombolistshroudzerotxt cracked
The specific filename or handle of the threat actor/group who aggregated, cleaned, or leaked the text file. While the credentials often originate from Russian leaks