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 (3.9), but you can try downloading it from the developer's site
Download version 1.5 from Mac Informer
Version: 1.5
File name: imcapture-for-skype.dmg
Size: 9.3 MB