Internet can be a scary place to visit. I kid you not. You will be suprised to see what is happening on the Internet - you get perverts, stalkers, trolls and people who just can't stop bugging you. And not only that, we have all sorts of virus, trojans, spyware and adware. And they come in all sorts of packages - from visit websites to downloading programs to emails. It is like they never end. After you thought that one virus attack is over, another one pops right up. Anyway, if you find yourself with a suspicious file, you should try to scan it with your antivirus software. If you don't have an antivirus software, you should get one. Nowadays an antivirus software is just a basic tool for defense against all these troublemakers. If not, you should try VirusTotal. It makes use of different antivirus engines so you get a more complete detection rate and since they are online, their virus definitions are updated real-time. Furthermore, they get global virus statistics in real-time as well. This would work great if your own antivirus software doesn't detect anything wrong with your file but you still have your suspicions.