First, a few words about the virus, a computer virus is a program or a programming code that replicates by copied or initiate it is copying to another program, document or boot sector. If a virus is nothing but a small program consisting of code binary i.e those and zeros just as other programs that are running the PC and the precise order of this code is called the virus signature. Each virus has a different signature.
Viruses, computer worms are malicious programs that replica themselves from one system to another, rather than to infiltrate legitimate files.
Let me tell you that even a small virus can do many bad things to your computer. This can quickly use your computer's available memory any stop or slow down the system. It can delete files, format hard drives or mix the data on them. Totally a virus program makes it impossible for you to access the computer. They can attack virtually all operating systems; However, they are more common on Windows 9 x machines.
Methods of transmission of the virus:
The most common methods of transmission of viruses include since internet downloads, files saved diskettes and attachments. Although it is popular, floppy disks are very sensitive to their environment (dust, moisture, humidity, magnetic fields etc.), which can cause damage and corruption of the files and they transfer viruses through computers.
While the floppy disk has declined in recent years, it represents still nearly 20% of the viruses transferred, while the share of electronic mail has increased by 60%. In fact, Virus writers use the names of the persons well known to encourage users by clicking on Web links or open files that then infect their computers. Well known examples such as the "ILoveYou" or "Love letter" and "Anna kournikova", mail "Michael Jackson attempted to commit suicide," etc. According to a survey, the list of the top 10 celebrity virus ranking is: Britney Spears, Bill Gates, Jennifer Lopez, Shakira, Osama bin Laden, Michael Jackson, Bill Clinton, Anna Kournikova, Paris Hilton, and Pamela Anderson.
Tips to avoid viruses and worms:
Install anti-virus software, regularly update and use it regularly.
Install security patches
Use a firewall and secure browser.
Never open attachments unsolicited with VBS, SHS or PIF file extensions.
Disconnect your cable modem or network when you are not using your computer - or just.
Avoid P2P and distributed file-sharing.
Avoid attachments with sexual filenames.
What is AntiVirus software?
Anti-virus software consists of computer programs that attempt to identify, thwart and eliminate computer viruses and other malicious software (malware). Antivirus software may contain between 40 000 to 100 000 "virus definitions" that are being updated on a daily or as necessary. When you purchase antivirus software that you receive the software, but the definitions that you receive are the real value of your purchase. Once that those which have expired, you need to expand the service or to purchase new software.
The benefits of AntiVirus software:
Anti-virus protection of high-quality provided by the anti-virus research team.
Automatic updates are involved in everything.
A complete analysis of DVD/CD-ROMs, floppy disks, USB sticks, navigation on the Internet and Internet downloads.
Once a virus has been detected, antiviru software will, quarantine, therefore it cannot spread. It will then try it delete and undo the damage of file.
There are competing claims of the innovator of the first product antiviru. Perhaps the first publicly known neutralization of a wild PC virus was conducted by Bernt European Fix (also Bernd) in early 1987. Subsequently in many software antivirus was developed by notable research teams. Some of them are the following:
Avast, Anti vir, AVG Antivirus, Bitdefender, F-Secure, Kaspersky AntiVirus, MaAfee Virus Scan, NOD32, Norman, Norton AntiVirus, AntiVirus from Panda, PC-cillin, PC Tools AntiVirus, Windows Live OneCare, ZoneAlarm AntiVirus.
All these antivirus software, AVG, AntiVir Guard and Avast provide the free subscription. There are differences between software programs for fee and free antivirus. The paid antivirus program detect and disarm the dangerous attachment before you even open, while the free product could not discover the virus until you click the attachment it. However, free product always stops the viruses from opening and to do his dirty work. Overall, the protection offered by the free antivirus packages is solid, if not as rich in features as paid alternatives.
Dear K Markov is a specialist in Internet marketing. In his quest to protect his own PC, she has conducted research in security including PC resources anti antivirus software. To ensure protection for your PC, you can get the details about the most suitable free AntiVirus software download.