Viruses

Viruses

1. A computer virus is a malicious program that self-replicates by copying itself to another program.

   • The computer virus spreads by itself into other executable code or documents.
   • A computer virus operates in two ways
     • How does a computer virus operate?
     • The first kind, as soon as it lands on a new computer, begins to replicate.
     • The second type plays dead until the trigger kick starts the malicious code.
       • The infected program needs to run to be executed.
         • • It is highly significant to stay shielded by installing a robust antivirus program.
         • Therefore
       • while
   • In other words
   • What's the purpose?
   • • Do's:
       • • Use a professional email service
         • • Make sure your computer has updated anti-virus software running locally.
           • • Take caution when opening graphics and media attachments.
     • Dont's:
       • • Don't open an email attachment unless you were expecting it and know whom it’s from.
         • • Don’t open any unsolicited executable files, documents, spreadsheets, etc.
           • • Never open files with a double file extension, e.g. filename.txt.vbs.
   • What can we do?

2. ·

   • Boot Sector Virus
   • Direct Action Virus
   • Resident Virus
   • Overwrite Virus
   • Multipartite Virus
   • Polymorphic Virus
   • Spacefiller Virus

3. Types

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