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Computer Viruses

5. 4. 3. 2. 1. Computer Viruses. Kyle Rojewski Computers 1. Slow computer performance Programs start unexpectedly Random computer freezes and restarts Frequent error messages Files have been deleted or changed Slow startup Frequent computer crashes Unseen files have been added

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Computer Viruses

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  6. Computer Viruses Kyle Rojewski Computers 1

  7. Slow computer performance • Programs start unexpectedly • Random computer freezes and restarts • Frequent error messages • Files have been deleted or changed • Slow startup • Frequent computer crashes • Unseen files have been added • Disk/hard drives become inaccessible • Random pop-up messages and spam Symptoms

  8. Computer viruses are corrupted programs that can replicate and send themselves to others. Computers get “infected” by viruses by downloading something on the internet from an unreliable source, or attachments in email messages. Viruses can be disguised as attachments of images, audio, and video files. • When a computer is infected, the virus can do a variety of things. These acts include corrupting files, accessing your email, slowing down computer performance, or deleting everything on your hard drive. What is a Computer Virus?

  9. Buying/downloading software such as AVG or Norton Security can keep your computer safe and productive. • Be sure not to download fake anti-virus software. Free services rarely offer guarantees and under-deliver on their promises. • Be careful when opening email attachments. • Try not to download files from suspicious and unreliable sources. Protection

  10. How a Typical Virus Works

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