"It was a 29A member who wrote the original version of Cabir. We think it was planned to publish the source code in the next edition of the group's electronic journal. However, it looks that someone has already got access to the code, and now it's public. This will lead to a lot of new versions of Cabir, which has already been detected in the wild in 7 countries." - Kaspersky Lab senior virus analyst Aleks Gostev.
Although the worm has not been directly vicious or malevolent, it is capable of blocking normal Bluetooth connectivity, and is also capable of completely draining the battery power from an infected phone.