This is a typical example how malware authors make money.
They sell their programs and have other people make the attacks on you.
RSA blogs has the story – RSA is a security division of EMC company which has security encryption
RSA was one of the first practicable public-key cryptosystems and is widely used for secure data.
We recommend that you do not use SMS banking – as it is done over text. You should not use such a weak encrypted method
Here the EFF recommends not to text over SMS anything you dont want others to see.