VB Decompiler Pro 11 is a professional‑grade reverse‑engineering utility designed to analyze, decompile, and debug compiled Visual Basic (VB 6) and Visual Basic .NET (VB .NET) executables, as well as other Microsoft languages such as VBA, VBScript, and even certain Delphi binaries. It builds on the long‑standing reputation of the VB Decompiler line for being one of the most feature‑rich and reliable decompilers for the VB ecosystem.
Key selling points promoted by the vendor:
| Feature | Description | |---------|-------------| | Full VB 6 decompilation – Recovers source‑level constructs (functions, variables, constants) from native VB 6 executables. | | VB .NET decompilation – Disassembles .NET assemblies and reconstructs C#‑style pseudo‑code, plus optional export to IL. | | P‑code and Machine‑code analysis – Handles both p‑code (the classic VB 6 intermediate language) and native machine code, switching automatically. | | Advanced debugging – Integrated debugger with breakpoints, watch windows, and call‑stack inspection. | | Obfuscation detection – Recognises common obfuscation tricks (string encryption, flow‑obfuscation, dead‑code insertion). | | Export options – Source can be saved as .bas/.frm/.cls files (VB 6) or as .vb/.cs files (VB .NET). | | Batch processing – Command‑line mode for automated decompilation of many files. | | Extensive plugin API – Allows third‑party extensions (e.g., custom unpackers). | | Comprehensive documentation – PDF user manual, video tutorials, and a knowledge base. | vb decompiler pro 11 full mega exclusive
| Tool | License | VB 6 Decompilation | VB .NET Decompilation | Debugger | Price | |------|---------|-------------------|----------------------|----------|-------| | VB Decompiler Pro 11 | Commercial | ★★★★★ | ★★★★☆ | Built‑in | $399 | | dotPeek (JetBrains) | Free | — | ★★★★★ | — | Free | | ILSpy | Open‑source | — | ★★★★☆ | — | Free | | Hex‑Rays IDA Pro (with VB plugin) | Commercial | ★★★★☆ | ★★★★☆ | External | $200‑$2000 | | OllyDbg + VB6 Plugin | Free | ★★☆☆☆ | — | ★★★★★ | Free |
VB Decompiler Pro 11 remains the only dedicated tool that truly reconstructs VB 6 source (including forms) while also offering a respectable .NET decompiler. General-purpose .NET decompilers excel at .NET but cannot handle native VB 6 binaries. | Tool | License | VB 6 Decompilation | VB
Overall, the interface feels polished and is intuitive even for users new to binary analysis.
| Test Scenario | File Size | Decompilation Time (average) | Peak RAM | |---------------|-----------|-----------------------------|----------| | Simple VB 6 EXE (≈ 300 KB) | 0.3 s | 30 MB | | Large VB 6 app with many forms (≈ 5 MB) | 4.8 s | 120 MB | | VB .NET assembly (≈ 2 MB) | 1.2 s | 80 MB | | Packed VB 6 binary (≈ 7 MB) | 6.5 s (including unpack) | 150 MB | Overall, the interface feels polished and is intuitive
The tool is CPU‑bound but well‑optimized; modern multi‑core CPUs see near‑linear speedup when decompiling many files in parallel (via the batch mode).