Trojans Affecting Androids

Androids are now being the victims of a most sophisticated Trojan virus. It’s capable of sending SMSs to premium-rate numbers, downloading other malware programs, installing them on the infected device and sending them further via Bluetooth; and remotely performing commands in the console.

It has been identified by Kaspersky as a Backdoor AndroidOS.Obad.a. Obad is very hard to analyze since all the codes are obfuscated with all the strings in DEX file encrypted. Once the Trojan is executed on a device, it immediately tries to obtain the Device Administrator privilege which is really horrendous.
Kaspersky Lab Expert Roman Unuchek says, “One feature of this Trojan is that the malicious application cannot be deleted once it has gained administrator privileges: by exploiting a previously unknown Android vulnerability, the malicious application enjoys extended privileges, but is not listed as an application with Device Administrator privileges.”

However, the only good news about this Trojan is that it’s not very widespread. According to the records from Kaspersky, it amounts to no more than 0.15% of all malware infection attempts on mobiles.

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