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Manjulata BiswalReg.No. : 0301211012

Branch : E & TC Engg.

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A computer program that is designed to replicate

itself by copying itself into the other programsstored in a computer. It may be benign or have a

negative effect, such as causing a program to

operate incorrectly or corrupting a computer's

memory.

Virus, What is it ?

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MOBILEVIRUS:-

The viruses for WAP-enabled mobile devices

are the mobile virus.

CELLPHONEVIRUS:-

Viruses that can attack WAP-enabled

Cell phones

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WAP SECUIRITY PROBLEM:-

WAP gateway security

Operating system

Use of SMS

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WAP INFRASTRUCTURE

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Motive to create virus :-

Viruses are written for a variety of reasons

curiosity

Challenge

to gain wider attention

some antivirus companies want to enternew market

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Virus Actions:-

Send SMS text messages to all the

numbers found within cell phone

damage by deleting or modifying the

phone book

starting to make phone calls to pay-per-minute numbers

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CURRENTTHREAT:-

CABIR

Symb/Cabir-A is a virus writtenspecifically for N-Gage, 3650, or

other Nokia Series 60 mobile phones

running in the Symbian operating

system.The virus spreads as a .sispackage, named as Caribe.sis

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Cabir requires:-

approving connection from unknown

device

approving receiving a file from unknown

device

approving receiving a application from

unknown device

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Reason to create cabir:-

There are two reasons behind Cabir creators :

some antivirus companies want to enter new

market.

May be Microsoft wants to show how insecure

Symbian OS is compared to their MS Smart phone

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Working functionof cabir:-

When launched, the worm displays a message on the

screen: either 'Caribe' or 'Caribe - VZ/29a' . worm

itself is an SIS format file, called caribe.sis, of 15092or 15104 bytes in size . This file contains three

objects:

caribe.app: 11932 / 11944 bytes in sizeflo.mdl: 2544 bytes in size

caribe.rsc: 44 bytes in size

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The worm installs the three file to the following

directories

C:\system\apps\caribe\caribe.app

C:\system\apps\caribe\flo.mdl

C:\system\apps\caribe\caribe.rsc

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GETRIDOFTHISVIRUS:-The directory SYMBIANSECUREDATA which the worm

creates is hidden and cannot be seen by the user of the infected

telephone. Fexplorer isused to

delete those hidden files.

C:\SYSTEM\SYMBIANSECUREDATA\CARIBE

SECURITYMANAGER\ CARIBE.SIS

C:\SYSTEM\SYMBIANSECUREDATA\CARIBE

SECURITYMANAGER\ CARIBE.APPC:\SYSTEM\SYMBIANSECUREDATA\CARIBE

SECURITYMANAGER\ CARIBE.RSC

C:\SYSTEM\RECOGS\FLO.MDL

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CONCLUSION:-

. There are so many antivirus applications for

Series 60 are already available in market.

We should not accept files from unknown

people without confirmation .

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