program could block suspicious file

[mantra]

Hi mates
i need a program that could block a suspicious file

that let me know what is it doing ?
that let me decide to block it or not about his behavior

for example if tries to open to write another file
for example if i tries to change the internet registry
for example if it tries to change the registry files

in poor words that let me control a a suspicious file

i would like to find a such program like this ,portable , without a installtion

could u help me? please