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A typical example involves an Internet Explorer exploit in which users receive a message from a purported anti-virus website that would claim to have found malware on their computer. They are encouraged to download the malware, and, once installed, they are prompted to pay a fee in order to remove the malware, which may or may not actually happen.
In another case, Rovio's Angry Birds game was offered free of charge from at least one rogue site. However, the free version, which included graphics very similar to the authentic version, also included malware that connected the device to the criminals' command and control servers and downloaded additional malware.
AVG's Bridwell recommends that users ensure that they are familiar with the source of applications before downloading, and furthermore added that they should be cautious before clicking the "OK" button on any subsequent interfaces.
PUBLISHED AUG. 1, 2012