Little-known anti-malware programs display warnings, which are often identified as false positive. Nevertheless, it is recommended to recheck the file with your antivirus software after downloading.
We do not have a download file for the latest version (3.4), but you can try downloading it from the developer's site
Download version 3.3 from Mac Informer
Version: 3.3
Date update: Jul 18, 2016
File name: keystrokerecorderx336.zip
Size: 6.9 MB