Android Counterclank Trojan found in 13 Marketplace apps

By on January 29, 2012
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Could have infected millions.

Over the weekend, world renowned security firm Symantec unveiled in a blog post that they have discovered 13 apps on the official Android Marketplace which contain a backdoor Trojan.

Android.Counterclank is a new botnet Trojan which basically allows a backdoor open to allow hackers to carry out specific commands on the Android handset, in addition to stealing private data.

For each of these malicious applications, the malicious code has been grafted on to the main application in a package called “apperhand”. When the package is executed, a service with the same name may be seen running on a compromised device. Another sign of an infection is the presence of the Search icon above on the home screen.”

Going through the stats of the below listed applications, the number of infected handsets is well over a million, at least.

While most of iApps7 apps have been taken down, the rest of the apps, as of posting this article, are sadly still online.

This once again brings into question Google’s policy on security regarding Marketplace apps and how easily malicious apps can infect thousands of people before they’re pulled down.


From auditing to editing, I now test and analyze the latest gadgets and games instead of the latest financial statements. Both jobs are equally intense and rewarding. When I'm not burning up hardware in the name of science, you'll find me nuking in DOTA 2 or engineering in TF2.

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