Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.
A boot virus (also known as a boot infector, an MBR virus or DBR virus) targets and infects a specific, physical section of a computer system that contains information crucial to the proper operation of the computer's operating system (OS).
Though boot viruses were common in the early 90s, they became much rarer after most computer motherboard manufacturers added protection against such threats by denying access to the Master Boot Record (the most commonly targeted component) without user permission.
In recent years however, more sophisticated malware have emerged that have found ways to circumvent that protection and retarget the MBR (e.g, Rootkit:W32/Whistler.A).
Boot viruses differ based on whether they target the Master Boot Record (MBR), the DOS Boot Record (DBR) or the Floppy Boot Record (FBR):
A boot virus can be further subdivided into either overwriting or relocating:
All boot viruses are memory-resident . When an infected computer is started, the boot virus code is loaded in memory. It then traps one of BIOS functions (usually disk interrupt vector Int 13h) to stay resident in memory.
Once resident in memory, a boot virus can monitor disk access and write its code to the boot sectors of other media used on the computer. For example, a boot virus launched from a diskette can infect the computer's hard drive; it can then infect all diskettes that are inserted in the computer's floppy drive.
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