First a few words on viruses, is a computer virus is a program or programming code that is not copied from the discharge or is it to copy another program that replicates computer boot sector or document. Thus a virus is nothing more than a small program code made up of binary code, that is, ones and zeros as the other programs that are running, the PC and the exact sequence is used as the virus' signature. Each virus has a different signature.
Unlike viruses, wormsMalicious programs that replica from system to system, but as legitimate files.
Let me give you even a little virus can do more bad things to your computer. This can quickly use your entire computer's available disk space and slow down the system or bring it to a halt. It can delete files, format hard drives or mix up the data on them. Totally a virus program makes it impossible for you to access the computer. You can attack virtually all operating systemsSystems, but they are most common on Windows 9x machines.
Mechanisms for the transmission of viruses:
The most common methods of transmission of viruses are downloaded from the internet, files saved from a diskette or by e-mail attachments. Although popular, floppy disks are very sensitive may lead to their environment (dust, moisture, humidity, magnetic fields, etc.), damage or corruption of files and transfer them from a computer virus.
During the diskhas declined in recent years, it still transfer a share of almost 20% of the virus, while the e-mail share has increased to nearly 60%. In fact, virus writers use the names of famous people to open the user into clicking on links or web files that then infect their computers to lure. Examples include well known viruses such as "ILoveYou" and "Love Letter" and "Anna Kournikova", "Michael Jackson has attempted suicide" mail, etc. According to a survey, the list of Top 10Celebrity-virus rankings is: Britney Spears, Bill Gates, Jennifer Lopez, Shakira, Osama Bin Laden, Michael Jackson, Bill Clinton, Anna Kournikova, Paris Hilton and Pamela Anderson.
Tips to prevent viruses and worms:
Install update antivirus software regularly, and use it regularly.
Install security patches
Use a firewall and ensure your web browser.
Never open unsolicited e-mail attachments with the file extensions VBS, SHS or PIF.
Disconnect your network or modemCable if you do not use your computer, or just power it down.
Avoid P2P file sharing, and distributed.
Avoid attachments with sexual filenames.
What is antivirus software?
Antivirus software consists of computer programs that try to cross to identify and eliminate computer viruses and other malicious software (malware). Anti-virus software programs can contain between 40000-100000 "virus definitions" that are marketed to date daily or as needed basis. When buyingAnti-virus software you get the software, but the definitions you get are the real value in purchasing. Once these have expired, then you need to extend the service or the purchase of new software.
The benefits of antivirus software:
High-quality anti-virus protection Anti-Virus Research Team.
Automatic Updates will take care of everything.
A comprehensive CD / DVD-ROMs, floppy disks, USB drives, Internet surfing and downloads from the Internet to scan.
Once a virusmay have been identified, the antivirus software is under quarantine, so it will not spread. It will then try to delete it and to repair any file damage.
There are competing claims for the inventor of the first antivirus product. Maybe PC is the first publicly known neutralization of a wild virus was conducted in 1987 by European Bernt Fix (also Bernd) Start. Later, many anti-virus software has been developed by notable research teams. Some of them are as follows:
Avast, AntiVir, AVG Anti-Virus, BitDefender, F-Secure, Kaspersky AntiVirus, MaAfee Virus Scan, NOD32, Norman, Norton AntiVirus, Panda AntiVirus, PC-cillin, PC Tools AntiVirus, Windows Live OneCare, ZoneAlarm AntiVirus.
offer from all the antivirus software, AVG, Avast and AntiVir Guard is not free subscription. There are differences between free and paid antivirus software programs. The paid antivirus program detects and disarm the dangerous plant before you open it,The free product may not discover the virus until you click the attachment. But the free product still stops the virus from opening and doing its dirty work. Overall, the protection of the free anti-virus package is offered solid, though not as feature-rich as the paid alternatives.
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