Since at least September, Lenovo has been shipping OEM Windows laptops preloaded with Superfish “adware,” which would rudely inject its own shopping results into your browser when you searched on Google, Amazon, and other websites. This sort of behavior is associated more with spyware than with factory-shipped operating-system installs, and by itself would be a new low for Lenovo. But Superfish is more than just pesky. It’s the most virulent, evil adware you could find.
By installing a single self-signed root certificate (trust me: That’s really bad) across all of Lenovo’s affected machines, Superfish intentionally pokes a gigantic hole into your browser security and allows anyone on your Wi-Fi network to hijack your browser silently and collect your bank credentials, passwords, and anything else you might conceivably type there.The linked article contains sites you can use to test whether your computer is infected with this garbage. Die, Lenovo, Die!