According to data to laboratory» (http://www.viruslist.com – “the Virus encyclopedia”), the first virus for a handheld computer was theVirus. WinCE.Dust. working under control of Windows CE.Net. At program start the window in which the author of this malicious program politely asks the user of the permission to breed. If the user answers in the affirmative, there is an infection of executed files in a root directory. The virus works on devices under control of OS PocketPC 2000, PocketPC 2002, PocketPC 2003. Strange business but if you answer “no” the virus will not cause you any harm!
The Trojan utility of remote administration for PocketPC on the basis of Windows CE and newer versions of Windows Mobile after start creates a file with a name «svchost.exe» in the catalogue of auto start Windows, receiving, thus, full management over your device. After that the harmful program defines your IP-address and sends to its author who has written a virus, each time informing it that the infected device is in a network. Then the program opens port on a handheld computer for reception of various commands, and as for reception and sending of the infected files. Besides it the virus can remove any files from your device.
The big distribution was received by viruses for smart phones on the basis of operating systems Symbian OS, we will name only some of them:
1. Cabir is one of the first net worms for mobile devices. At phone inclusion on the screen there is an inscription «Caribe», then the worm starts to infect other phones, dispatching itself on Bluetooth.
2. Commwarrior is also the worm, extends itself on Bluetooth, MMS (Multimedia Messaging Service), and as through the infected flash card of the smart phone.
3. Mosquito is very interesting virus-Trojan. Represents simple game for the smart phone, voluntary having established which on the phone you become the owner of the Trojan program which, at its start, starts to dispatch SMS – messages on the programs of phone numbers specified in a code, and all messages are paid so this game can leave you out-of-pocket on the account.
4. Skuller is also Trojan. It extends under the pretext of new icons and that of a desktop. It, actually, indeed, only after sis-file installation, you will find out that the program has changed old icons of operation system for icons with the skull image. Together with it there is a destruction of all appendices, thus, they cease to work and phone becomes unfit for use.
That viruses have conceived the force, could breed and bring though any harm, certainly, it is necessary, that the handheld computer has been constantly turn on and besides there was in internet network that, in general, is a rarity. I do not speak about smart phones, on mine these devices are subject to the big risk as viruses in this case can extend through Bluetooth, WAP, GPRS.
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