OllyDbg 2.01

Analyzes executable and Dynamic Link Library files and debugs them by disassembling the memory and their addresses. Supports only 32bit files. Traces registers, recognizes procedures, loops, API calls, switches, tables, constants and strings and much more.

OllyDbg is a 32-bit assembler level analyzing debugger for Microsoft Windows that emphasis on binary code analysis, making it particularly useful in cases where source is unavailable. The program traces registers, recognizes procedures, loops, API calls, switches, tables, constants and strings, directly loads and debugs DLLs.