IT Security – Sandbox – safe without a Security Scanner
Security Scanners find the maleware / viruses / trojanes depend on there spread degree after half an year and later to be safe from cryptotrojans you need a daily backup.
Or you can use a SandBoxIE for safly run unknown programms 🙂 and the best it’s free 🙂 #1 tool voted by lifehacker https://www.sandboxie.com
To check files or url’s by the 56 most popular virus scanners you can use virustotal.com