Virus on smartphone

I was on tumblr and then my mobile phone showed me the message like "Your mobile phone is infected with 3 virus which can caused spending battery more than before and so on " and that I should remove it but I scaned my phone with 3 antivirus programs and none showed me infected file or some problem . How can I remove that virus form my phone?
Asked Jul 24, 2014
Edited Jul 24, 2014

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