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Monday, January 30, 2012

Android games contain malware

Symantec is reporting that 13 Android apps are infected with malware. The download figures for the apps in question suggest that many hundreds of thousands of smartphones and tablets may be affected. The affected applications are games from iApps7 Inc, Ogre Games and redmicapps and are infected with a trojan called Counterclank which Symantec says is a modified version of last year's Tonclank trojan. The apps request unusually extensive permissions during installation, such as access to the bookmarks list, browser history, location data, telephone status and identity information.

Symantec say this wallpaper app, still on the Android Market, also contains the CounterClank trojan Zoom
Affected devices can be identified by the presence of a service named apperhand and in some cases by the appearance of a search icon on the home screen. According to Symantec, the malware reads data such as bookmarks, device information, IMEI and SIM card numbers and modifies the browser's start page. The criminals behind the malware make their money by displaying unsolicited ads. The malware is relatively easy to remove and can be uninstalled under Settings ➤ Applications ➤ Manage applications. Some of the apps listed by Symantec are apparently still available in the Android Market.

The combined download figures of all the malicious apps indicate that Android.Counterclank has the highest distribution of any malware identified so far this year.
Publisher Malicious App Title Category
iApps7 Inc Counter Elite Force Arcade & Action
iApps7 Inc Counter Strike Ground Force Arcade & Action
iApps7 Inc CounterStrike Hit Enemy Arcade & Action
iApps7 Inc Heart Live Wallpaper Entertainment
iApps7 Inc Hit Counter Terrorist Arcade & Action
iApps7 Inc Stripper Touch girl Entertainment
Ogre Games Balloon Game Sports Games
Ogre Games Deal & Be Millionaire Sports Games
Ogre Games Wild Man Arcade & Action
redmicapps Pretty women lingerie puzzle Photography
redmicapps Sexy Girls Photo Game Lifestyle
redmicapps Sexy Girls Puzzle Brain & Puzzle
redmicapps Sexy Women Puzzle Brain & Puzzle
Symantec is continuing with further investigation and we will post more information as we discover it.

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