2. Virus Entrance
Attachment Of Virus
Appearance Of Virus
Execution Or Running Of Effected Program
Computer System Get Effected With Virus 2
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3. There are literally dozens of ways for viruses to
enter into the computer system.
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4. Virus attaches to its target file or software
present in computer system .
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5. It can appear in the form of code, scripts, active content, other software and email attachments.
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