Trend Micro researchers detected the spread of a new variant of Flock, a Trojan for Symbian systems a year ago found that robs the user of the phone small amounts of money through SMS.

This new variant is passed through an application called 'ZvirOK'. Once installed on the device, it sends a message to a four-digit number with the text "xxx mumym joker90." Although researchers are not clear, it appears that the purpose of the trojan is still the same: to transfer a small sum of money through each of the messages sent.

"SYMBOS_FLOCK.I" as has been bautilzado such malware is desktop Python and affects phones that use Symbian. In addition, we found a different variant of the Trojan that runs on Java platforms (J2ME) and may affect a larger number of mobile devices.

SYMBOS_FLOCK.I being circulated on websites and can only be installed manually by the user. As always we recommend, very careful when downloading software (any kind) from untrusted sites.

via: Softpedia