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Software protectors where created to keep an attacker from directly inspecting or modifying a compiled application. A software protector is like a shield that keeps an application encrypted and protected against possible attacks. When a protected application is going to be run by the operating system, the software protector will first take control of the CPU and check for possible cracking tools (dissemblers or de-compilers) that may be running on the system. If everything is safe the software protector will proceed to decrypting the protected application and giving it the control of the CPU to be executed as normal.

The advantages of using a Software Protector are:

Protect an application against piracy.
Prevents attackers from studying how an application is implemented.
Will not allow attackers to modify an application to change its behavior .

Themida is a program that helps you protect your applications against software cracking. Themida is a handy and useful utility intended for developed who want to protect their applications against advanced reverse engineering and software cracking.

FEATURES:

· Anti-debugger techniques that detect/fool any kind of debugger
· Anti-memory dumpers techniques for any Ring3 and Ring0 dumpers
· Different encryption algorithms and keys in each protected application
· Anti-API scanners techniques that avoids reconstruction of original import table
· Automatic decompilation and scrambling techniques in target application
· Virtual Machine emulation in specific blocks of code
· Advanced Mutator engine
· SDK communication with protection layer
· Anti-disassember techniques for any static and interactive disassemblers
· Multiple polymorphic layers with more than 50.000 permutations
· Advanced API-Wrapping techniques
· Anti-monitors techniques against file and registry monitors
· Random garbage code insertion between real instructions
· Specialized protection threads
· Advanced Threads network communication
· Anti-Memory patching and CRC techniques in target application
· Metamorphic engine to scramble original instructions
· Advanced Entry point protection
· Dynamic encryption in target application
· Anti-tracing code insertion between real instructions
· Advanced Anti-breakpoint manager
· Real time protection in target application
· Compression of target application, resources and protection code
· Anti-"debugger hiders" techniques
· Full mutation in protection code to avoid pattern recognition
· Real-time simulation in target application
· Intelligent protection code insertion inside target application
· Random internal data relocation
· Possibility to customize dialogs in protected application
· Support of command line