A new phone virus dubbed Commwarrior poses a worldwide threat, anti-virus vendors said.
The virus is aimed at smartphones using Nokia's Series 60 platform, which is based on the Symbian OS.
According to anti-virus vendor F-Secure, it spreads via multimedia messaging service (MMS) messages and possibly through a vulnerability in Bluetooth.
F-Secure noted that, while the virus had the potential to spread quickly, it was moving slowly. The company also said initial indications were that the virus had originated in Russia.
The virus sends MMS messages without the user's permission, according to F-Secure.
"The situation is not critical since we have not received a lot of reports from our customers," Antti Vihavainen, F-Secure's director for mobile operator solutions, said in a statement.
The vendor suggested that users with vulnerable devices run Bluetooth in undiscoverable mode and not install any applications that arrive in MMS messages.
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