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    Archive for the ‘Mobile’ Category




    These days, when you see someone staring intently or tapping at their mobile phones, chances are that they’re busy with an app. This comes as no surprise as 80% of consumers’ time on mobile devices apps is spent in apps for gaming, news, productivity, utility, social networking, and more. Safe and Risky Apps We are currently seeing almost 11 million samples in existence as of October 2014. Of these samples, 64% are considered safe, while 23% are considered high risk or adware. The app permissions ...

    Posted in Mobile |



    Earlier this week, we noticed that there was a spike in the volume of spammed messages that pretend to come from the messaging service Viber.  This app, which also has  a desktop version, allows users for free calls and messages. The email informs the recipient that they have one voice message for their account. Figure 1. Sample spammed message Different Routines for PC and Mobile The infection routine is pretty straightforward for computers: clicking the embedded link leads to the download of backdoor malware, detected ...




    We first lifted the veil on activities in the Chinese cybercriminal underground in 2012. Since then, we have continually reported about notable changes or activity found in this black market. A few months ago, we noted that the Chinese underground has continued to grow, as the cost of connectivity and hardware continues to fall, and with more users with poor security precautions in place. In short, it’s a good time to be a cybercriminal in China. One of the more notable features ...

    Posted in Mobile |



    Recently, it has been reported that apps downloaded via third-party app stores in South Korea have resulted in more than 20,000 smartphones being infected with malicious apps. Note that none of these apps were found on the official Google Play store. The apps involved in this attack are detected as ANDROIDOS_KRBOT.HRX. We decided to look further into this slew of infections. Identifying Who's Responsible The cybercriminals behind these attacks are active members of underground forums involving pirated apps. Frequently, these are cracked versions of top gaming ...

    Posted in Malware, Mobile |


    Nov10
    3:10 am (UTC-7)   |    by

    In an earlier blog post, we tackled what Wirelurker malware is and its security implications and risks for iOS and OSX devices.  Within hours of the discovery of this malware, a Windows-based malware (detected as TROJ_WIRELURK.A) that performs the same attack was also seen in the wild. In this blog post, we’d like to share practices and recommendations for users and enterprises in order secure their devices from this threat. The following are some simple steps for users to check whether their ...



     

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