A type of computer virus that hide their code with malicious executable files on a system. When the infected file is opened or used the virus can overwrite the file and permanent damage to the contents of the file overwritten. This type of virus targets a variety of operating systems, including Macintosh, UNIX, DOS and Windows...
MOBILE VIRUS :
A mobile phone (also called a cell) virus was equivalent to a computer virus, it infects the consumer mobile phones and distributed via MMS attachments, Internet downloads and Bluetooth transfers.
The most common form of mobile phone virus is traveling from computers to cell phones via infected files from Internet downloads. But phone calls about viruses, while less common, existed. The first known mobile virus Cabir was called and was discovered in June 2004 from Kaspersky Labs.
Cabir worm was coded to infect Symbian OS phones. Cabir is designed to search for all accessible phones using Bluetooth technology and a copy of itself to send the first one found. Setting up your phone in a non-discoverable (hidden) Bluetooth will protect your phone from Cabir worm. But once the phone is infected it will try to infect other systems even if you try to disable bluetooth from system settings. In 2005, the Cabir source code publicly available on the Internet.
The most common form of mobile phone virus is traveling from computers to cell phones via infected files from Internet downloads. But phone calls about viruses, while less common, existed. The first known mobile virus Cabir was called and was discovered in June 2004 from Kaspersky Labs.
Cabir worm was coded to infect Symbian OS phones. Cabir is designed to search for all accessible phones using Bluetooth technology and a copy of itself to send the first one found. Setting up your phone in a non-discoverable (hidden) Bluetooth will protect your phone from Cabir worm. But once the phone is infected it will try to infect other systems even if you try to disable bluetooth from system settings. In 2005, the Cabir source code publicly available on the Internet.
OWERWRITING VIRUS :
A kind of computer virus that will have its own code in the data in host computer's files, which destroys the original program copies. After your computer cleaned by an antivirus program, users reinstall the original program..
COMPANION VIRUS :
A type of computer virus that compromises a feature of DOS that allows software with the same name but different extensions to work with different priorities.
For example you might have Program.exe on your computer, and the virus can be a file called program.com. When the computer run Program.exe, the virus runs program.com for Program.exe were performed.
In many cases, the true program run as users feel the system is working normally and was not aware that a virus is running on the system.
For example you might have Program.exe on your computer, and the virus can be a file called program.com. When the computer run Program.exe, the virus runs program.com for Program.exe were performed.
In many cases, the true program run as users feel the system is working normally and was not aware that a virus is running on the system.
MULTIPARTITE VIRUS :
MULTIPARTITE VIRUS is also called a virus in many parts, a virus that tries to boot sector and exports, or program files to attack at the same time.
When the virus attaches to the boot sector, it will affect the system? S files? When the virus attaches to files, it will return to infect the boot sector.
This type of virus can re-infect a system without a break, like all parts of the virus is not gone,...
When the virus attaches to the boot sector, it will affect the system? S files? When the virus attaches to files, it will return to infect the boot sector.
This type of virus can re-infect a system without a break, like all parts of the virus is not gone,...
MACRO VIRUS :
A kind of computer virus that is embedded as a macro embedded in a document. Many applications, like Microsoft Word and Excel, support powerful macro languages.
These applications can create a macro in a document to include, and the macro to run every time the document is opened. According to some estimates, 75% of all viruses today are macro viruses.
Once a macro virus gets onto your computer, it can embed itself in all future documents you create with the application. Antivirus programs can protect your system from macro viruses, even new ones are always created to slip by antivirus filters.
These applications can create a macro in a document to include, and the macro to run every time the document is opened. According to some estimates, 75% of all viruses today are macro viruses.
Once a macro virus gets onto your computer, it can embed itself in all future documents you create with the application. Antivirus programs can protect your system from macro viruses, even new ones are always created to slip by antivirus filters.
ARMORED VIRUS :
A type of virus that is designed efforts by analysts to stop processing code, using multiple methods of detection do, disassembling and reverse engineering more difficult.
An armored virus can protect themselves from anti-virus programs, making it more difficult to detect. To do this, efforts Virus armored anti-virus program to mislead to believe that its location is somewhere other than where it actually is in the system...
An armored virus can protect themselves from anti-virus programs, making it more difficult to detect. To do this, efforts Virus armored anti-virus program to mislead to believe that its location is somewhere other than where it actually is in the system...
APPENDING VIRUS :
A virus that inserts a copy of its code with malicious end of file.
The purpose of a virus is making the application to wait for harm, but to change the virus code to follow and then be able to run itself.
The purpose of a virus is making the application to wait for harm, but to change the virus code to follow and then be able to run itself.
CLUSTER VIRUS :
A type of computer virus that itself associated with the implementation of programs by modifying directory table entries the virus itself will begin when a program on the computer system is started from seed. ..
When infected with a virus group that will appear every program on the computer system is infected, but a group of virus is only one place on the system...
COMPUTER VIRUS::
A computer virus is an executable program. Depending on the nature of a virus, it can damage the contents of your hard disk cause and / or interfere with the normal functioning of your computer.
By definition, a virus program is able to self-replicate. This means that the virus multiplied in a computer by making copies of itself. Repetition is intentional, this is part of the virus. In most cases, if a virus file is executed or copied to another computer, this computer will be "infected" by this virus.
A virus can be inserted into a computer system with a software program. For Internet users, the threat comes from downloading files via FTP (File Transfer Protocol), or references e-mail attachments. (Please refer to our website over the handling of e-mail File Attachments for more information.)
When a virus is introduced into a computer system, it can be self-attached, or sometimes even to replace an existing program . So when the user runs the program in question, is the virus running. This usually happens without the user being aware of it. A virus program contains commands a kind of "event" that affects the infected computer to start. Each virus has a unique opportunity to connect with.
These events and their consequences can range from harmless to devastating. For example, an annoying message on the computer screen. Reduced memory or disk space. Changing data. Overwrite or damaged. Hard drive erased.
By definition, a virus program is able to self-replicate. This means that the virus multiplied in a computer by making copies of itself. Repetition is intentional, this is part of the virus. In most cases, if a virus file is executed or copied to another computer, this computer will be "infected" by this virus.
A virus can be inserted into a computer system with a software program. For Internet users, the threat comes from downloading files via FTP (File Transfer Protocol), or references e-mail attachments. (Please refer to our website over the handling of e-mail File Attachments for more information.)
When a virus is introduced into a computer system, it can be self-attached, or sometimes even to replace an existing program . So when the user runs the program in question, is the virus running. This usually happens without the user being aware of it. A virus program contains commands a kind of "event" that affects the infected computer to start. Each virus has a unique opportunity to connect with.
These events and their consequences can range from harmless to devastating. For example, an annoying message on the computer screen. Reduced memory or disk space. Changing data. Overwrite or damaged. Hard drive erased.
WHAT IS COMPUTER VIRUS:: ?
In 1983, Fred Cohen coined the term "computer virus", postulating a virus was "a program that can" infect "other programs by modifying them to develop a potential copy of the very tight." Z.
Cohen expanded his definition a year later in 1984 his paper, "a computer virus, noting that" a virus can spread throughout a computer system or network with the authorization of each user who use the programs infected them.
Any program that gets infected may also act as a viral infection and thus economic growth. "
Cohen expanded his definition a year later in 1984 his paper, "a computer virus, noting that" a virus can spread throughout a computer system or network with the authorization of each user who use the programs infected them.
Any program that gets infected may also act as a viral infection and thus economic growth. "
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