Why you should unhide Mac OS X filename extensions

Mac OS X users should be aware that there is a new variant of the Imuler Trojan. My colleagues at Intego found the latest iteration which attacked the user’s system disguised as an an image file with .zip archives titles “Pictures and the Article of Renzin Dorjee.zip” and “FHM Feb Cover Girl Irina Shayk H-Res Pics.zip”. For those that do not know, default Mac OS X settings hide the full file extensions (there is a similar issue in Windows 7 which also hides extensions by default), which allows malware to hide as an image icon with no extension tags.

This will trick the user into thinking they are downloading a real image or .zip file. I don’t like hiding extensions and neither should you! Read more…

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