
After an Android user noticed that many popular free apps had been stolen, renamed, and uploaded to the Market by a new publisher, he took a closer look at the code. He found that the apps root the device and steal user data.
However, upon closer inspection, AndroidPolice's resident hacker found that not only do the apps steal more user data than initially thought, but they also open a backdoor that allows more code to be downloaded and installed.
Follow through to Android Police for the full read.