Be Wary of Google Play Apps
Thursday, November 1, 2012 @ 04:11 PM gHale
An advertising module embedded into over 7,000 “free” fake versions of legitimate Android apps on Google Play is able to cull personal and mobile use information from users, research shows.
One of the offending apps came to the attention of Trend Micro Senior Threat Researcher Alice Decker after she downloaded by mistake a fake Flash Player from Google’s official Android market and then received a warning about its malicious nature by her company’s own mobile security app.
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After having consulted with a colleague from the Mobile Application Reputation team, she found the extent of the problem: Apart from pushing ads onto the users, the adware module inside the app also sends information such as device ID, OS version, IP address and the user’s phone number, GPS location, account information, calendar and browser bookmarks to the servers of the company that created the module.
“Though most adware are designed to collect user information, a fine line exists between collecting data for simple advertising and violating one’s privacy,” Trend Micro researchers said. “Because they normally collect user information for legitimate purposes, they can serve as an effective means to gather more data than some would want to give out.”
This particular ad module compromises the users’ privacy and their devices’ usability, and the extra bad news is it is in over 7,000 free apps offered on Google Play.
“80% of them are still available, and at least 10% of them have been downloaded more than one million times,” Decker said, adding the Web of Trust community believes the company that created it is also involved in phishing and scamming users.
“Users should be careful about all mobile apps they download, wherever they come from. This is particularly true for ‘free’ apps, where in effect your information becomes payment for the app,” she said. “For some people, this may be a worthwhile tradeoff – but this is something every user should decide for themselves, with a full appreciation of what is given up in return for something ‘free.’ ”
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