Question

what are the common signs of a virus attack ​

Answer 1

Answer:

Hello mate

Explanation:

• Frequent pop-up windows.
• Changes to your homepage.
• Mass emails being sent from your email account.
• Frequent crashes.
• Unusually slow computer performance.
• Unknown programs that start up when you turn on your computer.

Answer 2

Answer:

• It reduces the speed of a computer by decreasing the memory.
• It causes strange movements or patterns on the screen.
• It displays unusual messages like "Your PC is stoned", etc.
• It increases the use of disk space and growth in file size as the virus attaches itself to many files.
• It leads to frequent hanging of the system.
• It shows abnormal 'write error protect'.
• It displays a change in data against the filename in the directory, when a virus modifies the file.
• It reformats the hard disk.
• It deletes or damages the files.