upload the file to www.virustotal.com and test with 43 malware scanners
when you have the result, copy the URL in the address bar and post it here

alternatives
VirScan http://virscan.org/
Jotti http://virusscan.jotti.org/en

Check your comp for malware with

Malwarebytes Anti-Malware 1.50.1 http://filehippo.com/download_malwarebytes_anti_malware/
Always update the program so you have latest database before you scan
Click the remove selected button to quarantine any infections found

You may post the scan log here if anything is found