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/136518/ansvif-1.3.4.tar.gz
Source: https://packetstormsecurity.com/files/136518/Ansvif-1.3.4.html