Have you ever had a time where you are on Skype and someone sends you a .jpg and you can already see the picture? Guess what, what you didn't know is that Skype automatically executes the .jpg and saves it locally without you even pressing anything. You may be asking, how is that a issue? Well, if a attacker has a good encrypting program, all he/she has to do is spoof their trojan, worm, etc, into a .jpg. So, what that does is it basically looks like a .jpg but it runs as a .exe. What is the bad part about this is that Skype normally saves and executes the file without you even asking, so if a person sends you a spoofed file, skype runs and saves it and you are infected without you even clicking anything. I just wanted to warn the community about this as I got this information from another forum where someone was posting and bragging about how many people they infected. That being said, I take NO credit for finding this, but simply reporting what I saw on another forum!
Edited by anthonybugg, 02 January 2015 - 11:58 PM.
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