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/139837/ansvif-1.6.1.tar.gz
Source: https://packetstormsecurity.com/files/139837/Ansvif-1.6.1.html