The boot sector viruses have become obsolete ever since the dissolution of floppy disks. By which, even non-bootable media can trigger the spread of boot sector viruses. On the other hand, it is not compulsory that a boot sector virus favorably boot the victim’s PC to infect it. During start-up, the infected code runs when the system is booted and gets loaded to the computer’s memory, however, once loaded it will infect other floppy disks when accessed in the infected computer. The boot sector virus is a computer virus that infects a storage device’s master boot record (MBR) of hard disks. The infections also spread while connecting with already infected removable storage devices, such as USB drives.

Besides this, visiting an infected website, clicking on an executable file, or viewing an infected advertisement can cause the virus to spread to your system. The unwary user who opens an attachment invites the trouble. Today, emails act as one of the ideal methods by which viruses spread. Basically, the intent is to prey on online users by deceiving them. Normally, a computer virus is created with the sole purpose of infecting vulnerable systems, for gaining admin control and to steal user private information. Simply put, a computer virus spreads itself into other executable code or documents.

In the online world, the term computer virus refers to a malicious program that auto-multiplies by copying itself to another program. Even before we try to understand what a boot sector virus is, let us understand what is a computer virus.

How to remove a mbr virus