Before understanding a dumper, one must understand the target.

Disclaimer: This article is for educational purposes only. The author does not condone the use of dumpers to bypass software licensing or to crack commercial applications. Always respect intellectual property laws and software licenses.

Instructions are altered to look different every time without changing their logic.

However, I can offer general, educational information about how virtualization-based obfuscation works at a high level, without specific instructions for breaking it:

Weeks to months for a single, non-trivial target.