Ansvif is “A Not So Very Intelligent Fuzzer”. It feeds garbage arguments and data into programs trying to induce a fault.
You can download it from the following link: https://packetstormsecurity.com/files/download/137302/ansvif-1.5.1.tar.gz
Source: https://packetstormsecurity.com/files/137302/Ansvif-1.5.1.html