Many "free" downloads of paid software contain Trojans or keyloggers designed to steal developer credentials.
If you are using the free Lite version of VB Decompiler, focus on: vb decompiler pro free
The developers offer a free Lite version. While it limits the amount of code you can view and lacks advanced patching features, it is the safest way to perform basic analysis. Many "free" downloads of paid software contain Trojans
Identifying which Windows APIs the program calls can help you understand its core functionality without needing the full source code. vb decompiler pro free
For Native Code applications, these general-purpose debuggers are free and allow you to step through the assembly code, though they require a much higher level of technical expertise. How to Use the Lite Version Effectively