Virus attacks in PC are the most common thing that we all know. But now-a-days Mobile devices are more vulnerable to viruses. These viruses are severe that they can even disable the mobile phone or create bills of hundreds of dollars by sending pricey picture messages. There are about 100 viruses that are currently found in mobile devices. Today we have Mobile phones with internet connectivity which plays the role of a computer. But it comes with the mobile viruses.
History of mobile viruses
They started their attack in 2004 and named the virus as Cabir.This virus replicates on Bluetooth wireless networks.It was an example of a worm, a virus that replicates on other devices. Since the range of Bluetooth is finite, technically the virus could only spread to other devices within close proximity.
The virus spread quickly and is now present in number of countries. Fortunately, this mobile phone virus changed only a few words, and didn’t affect the phone’s operation, though the scanning for other Bluetooth devices could quickly drop the phone’s battery. Other viruses are not so innocent, and people worried that some viruses might be completely disable the phones.
CommWarrior was another worm for mobile devices appeared in 2005. This worm replicates itself through the phone's Multimedia Messaging System(MMS)).
It also sends out copies of itself through Bluetooth, and it can make automatic replies to texts, thus sending the worm on to other users.It sends copies of itself to other phone owners listed in the phone user's address book. Although the worm is not considered harmful it heralds a new age of electronic attacks on mobile phones.
Doombot was appeared in 2006,It was a Trojan horse virus that appears to be a downloadable cell phone copy of the game Doom 2. When it is downloaded onto a cellphone, it automatically installs both Cabir and CommWarrior, and then keeps the phone from operating properly.
It is also a Trojan horse virus and has been most expensive for people, especially in Russia.
A parasitic file infector virus and is the first known virus for the PocketPC platform. It attempts to infect all EXE files in the current directory
A trojan horse piece of code. Once downloaded, the virus, called Skulls, replaces all phone desktop icons with images of a skull. It also will render all phone applications, including SMS and MMS useless
It is another mobile phone virus in which a bit of spyware that sends logs of the phone calls you make to an Internet server.
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