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/145577/ansvif-1.8.1.1.tar.gz
Source: https://packetstormsecurity.com/files/145577/Ansvif-1.8.1.1.html