показалось интересным.
инфо http://www.0xrage.com/wp-content/uploads/2013/12/rcrypt.pdf
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rcrypt is a Windows PE binary crypter (a type of packer) that makes use of timelock techniques to cause a delay in execution. This delay can cause analysis to fail on time constrained systems such as on disk scanners. rcrypt can pack exes and dll files.
It bypasses KAV and many others.
инфо http://www.0xrage.com/wp-content/uploads/2013/12/rcrypt.pdf
скачать http://www.0xrage.com/?p=210