The ‘Ukash Ransom‘ virus also known as the Australian Federal Police (AFP) virus is a computer virus which will display a bogus notification and pretends to be from the Australian Federal Police. It states that your computer has been blocked due to it being involved with the distribution of inappropriate content. The virus will display a lock screen and ask you to pay money (i.e. a non-existing fine).
Mac OS X bootable USB memory stick
With OS X Mavericks and Yosemite, you can create a bootable OS X installer which can be used to install the operating system while started from removable media, such as a USB flash drive.
Apple Mac OS X Recovery
Recovery System
OS X Recovery includes a built in set of utilities as part of the Recovery System. You can use OS X Recovery to do the following:
- Restore your Mac from a Time Machine backup.
- Verify and repair connected drives using Disk Utility.
- Check your Internet connection or get help online using Safari.
- Install or reinstall OS X.