Avast keeps running it in sandbox but only finds it as suspicious, scans reveal nothing.
I get avast randomly running shit in its sandbox, even stuff its never bothered about before. Then it'll just suddenly stop trying to sandbox the program and go sandbox something else. Avast is broken as fuck. I turned off that auto sandbox rubbish.
The trouble with it running in a sandbox is it won't save any chances to the registry so if this program is legit and you install it, once avast unsandboxes it, it won't actually have installed.