Essential Guide to Protecting Your Computer from Viruses and Removing Them Safely
Learn about viruses, how they infect your computer, the damage they can cause, types of viruses, ways to prevent infection, and how to remove viruses effectively with antivirus software.
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Presentation Transcript
PROTECT PROTECT COMPUTER FROM COMPUTER FROM VIRUSES VIRUSES PRAVEEN I. KOSE CLASS A ACST CPTP 5
CONTENT What is virus? What is virus? How harmful it is for your computer? How harmful it is for your computer? Types of virus Types of virus Ways to remove it Ways to remove it How Antivirus remove virus How Antivirus remove virus Top 10 Antivirus software Top 10 Antivirus software Conclusion Conclusion
WHAT IS VIRUS? A virus is a malicious program, which replicate itself within files and folders or from one computer to another via any shared service, while windows is running. .
HOW DOES VIRUS GET INTO YOUR P.C. A virus can enter your system via number of means: - Through Email attachments - Drive through downloads by installing and running infected programs - Via external devices such as CD/DVDs, USB drives, flash drive etc - Through LAN where one or more computer is infected - By clicking on malicious links
WHAT CAN VIRUS DO? Can damage files Can damage files Can slow system Can slow system Can steal information Can steal information Can take control Can take control
TYPES OF VIRUSES Boot Sector Viruses Master Boot Record ( MBR) Virus Memory Resident Virus Macro Virus Polymorphic Virus Direct Virus
HOW TO AVOID GETTING IT ON YOUR PC? Some viruses are extremely difficult to detect and remove, hence it is better to take precaution than to wait for the cure. Here are some tips to follow: Browse internet safely Download only from trusted websites Never click on anything suspicious Beware of spam mails Update windows regularly Implement Firewall Install a good Antivirus Software
HOW TO REMOVE VIRUSES FROM PC Removing a virus manually is a very sophisticated task and doing this may cause more damage to the PC. Therefore, it is advisable to install a good quality Antivirus software Antivirus software helps in deleting those speed depleting, performance draining, harmful threats and protects your system s privacy.
TOP ANTIVIRUS SOFTWARE TOP ANTIVIRUS SOFTWARE Kaspersky Antivirus McAfee Antivirus Norton Antivirus plus Trend micro titanium Antivirus plus Paretologic Antivirus plus Panda antivirus pro Directory virus
HOW DOES ANTIVIRUS SOFTWARE WORK? Some of the common techniques used by antivirus to detect the presence of virus on a system : Use SIGNATURE BASED DETECTION techniques to match infected- file signature with the existing database and take the proprietary action if a match is found Offers REAL TIME PROTECTION by scanning each and every program , files etc, you download or open Performs HEURISTIC Scan to identify unknown threats
CONCLUSION Antivirus software will constantly monitor the Antivirus software will constantly monitor the network and safeguard your computer against network and safeguard your computer against vulnerable activity caused by the suspicious vulnerable activity caused by the suspicious program. program. The software examines each and every file The software examines each and every file thoroughly and removes any detected thoroughly and removes any detected potential threat. potential threat. We can choose from the various Antivirus We can choose from the various Antivirus softwares which are available online. softwares which are available online.
