No 18, it wouldn't. OP's computer sees a .jpg extension and will not execute an .exe extension. Please try to understand things before you comment. Or you look like the dumbass.

Actually, viruses are often disguised by a false extension. It could still be an executable file. It's a very common trick employed by virus engineers. When the person clicks on the file, it appears to do nothing, but is actually silently infecting the computer.

Google "How hackers disguise malicious programs with fake file extensions".

41/43 You're right but that's not just a matter of renaming the file as 18 suggests. It has to be engineered specifically for that purpose. All I was saying is renaming it will not work. By reading this FML, I doubt OP's brother has the skill to engineer the file that way.

Actually, some people do rename it, but since they have to leave the .exe in, it looks really obvious. For example: cutekitty.jpg.exe. The .jpg is there to fool people, but the .exe has to be left behind. Sadly people who are either really dumb or are not paying attention fall for it, but those of us who are more vigilant will notice it right away.

#65, some people have the known extensions set to not show. That is how they miss it.

52, that is probably true haha. I just wanted to warn the OP, in case they are assuming their brother did something dumb, when he's usually good with computers or something.

Ignorance and stupidity are two different things.

@ 23 Yet if you die from both due to a lack of knowledge, you aren't less dead from one then the other.

*than Sorry, I had to.

but he is ignorant of the correct proceedure for running a virus from a jpeg. he is also stupid for thinking it will work just by changing thr extension.

Ugh! I hate when FML moderates a comment!

I have a windows phone and a windows PC. You know, because I don't like buying a computer that's worth $400, and spending $1500 on it instead. But hey, some people like wasting money.

mac has an equivelant tag for a executable file.