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Have a Series 60 cell/mobile phone?
Written by Aidan   
Saturday, 02 July 2005 02:23

If you have a Nokia Series 60 (Symbian) based cell/mobile phone, then this is a warning for you. There's a new trojan going by the name of 'Doombot.A' which can do nasty things to Series 60 based phones. The trojan pretends to be a cracked version of Doom 2 - if you see it, you definately don't want to install it. Don't panic, as the trojan can't install itself, you have to say 'yes' to a number of questions before the trojan can run.

When it installs itself, it copies a set of corrupted system binaries onto the phone, which mean that the phone will not boot correctly should it be turned off for any reason. Additionally, the trojan installs a virus which enables Bluetooth and actively searches out other phones via Bluetooth. When it finds another phone, it sends the phone a copy of the trojan too. On top of that, the virus uses the MMS (also known as Picture Messaging/PXT) to send a copy of itself to all the people in your address book. The heavy use of Bluetooth and MMS is known to drain the battery on the phone very quickly. We've had reports that some people have found that their battery has been drained within an hour. Once the battery goes flat, the phone will not boot again, due to the corrupted system binaries!

Things you can do to avoid infection:

Set Bluetooth to disabled or hidden, so your phone is not visible to other phones.
Don't open attachments sent via Bluetooth or MMS unless you're 100% sure what they contain.
Be highly suspicious of attachments that request that you install a program. If you see a screen that asks if you want to install something, then the answer is probably no.

Should you be unfortunate enough to get infected, plug the phone into power to stop it going flat, then you can download a removal tool from using your phone.

Update - We managed to obtain a list of phones that may be affected: Lenovo P930, Nokia N70, Nokia N90, Nokia N91, Nokia 6682, Nokia 6681, Nokia 6680, Nokia 3230, Nokia 6670, Nokia 6630, Nokia 6260, Nokia N-Gage, Nokia N-Gage QD, Nokia 7610, Nokia 6620, Nokia 3660, Nokia 3620, Nokia 6600, Nokia 3600, Nokia 3650, Nokia 7650, Panasonic X800, Panasonic X700, Sendo X2, Sendo X, Siemens SX1. There may be more, but we couldn't find any signs of them.


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