So beware of the data transfer storages like flash drives and USB it may be possible that when you transfer data from your friend computer and other computer you can get virus into your computer. So always transfer data from any other computer after scanning your memory device or flash to transfer the data. So this is the way you get virus into your computer from another source. Sometimes use of software which are used for generating viruses can be the way to get virus into the system.
So beware of the data transfer storages like flash drives and USB it may be possible that when you transfer data from your friend computer and other computer you can get virus into your computer. So always transfer data from any other computer after scanning your memory device or flash to transfer the data. So this is the way you get virus into your computer from another source. Sometimes use of software which are used for generating viruses can be the way to get virus into the system.
You can learn basically every reason you could get a virus on a computer from the post How Do We Get a Computer Infected with Malware?
Here're some of the points covered in the post. The main reason you virus infected with your computer:
1. Installs the software without reading the checkbox, which could bring you the bundled malicious malware.
2. Visiting unknown links you receive in chat, e-mail, or SMS, worse, in the website pop-ups.
3. Opening e-mail attachments that contains malicious code.
4. Inserting or connecting an infected disk, disc, or drive. This happens way less than old time, but still.
5. Not running the latest updates.
6. No antivirus spyware scanner installed on the computer.
Firewalls are another permanently accessible system which is giving a difficulty against virus issues. They are unbolting for all he time and as their forename indicates that they act like a wall against viral attacks. They save our computers in a practical and animated manner which is helpful to us. Hope you will be with virus scans and firewalls otherwise it is a tough task to keep PC in order.
Try avast!!