A vulnerability has been detected in the BIOS chips found in millions of computers which could leave users open to hacking. … BIOS chips are used to boot a computer and load the operating system, but the malware would remain even if the operating system was removed and re-installed.
Is it possible to hack a BIOS?
An attacker could compromise the BIOS in two ways—through remote exploitation by delivering the attack code via a phishing email or some other method, or through physical interdiction of a system.
Can there be a virus in BIOS?
BIOS/UEFI (firmware) virus’s exist but are very rare. Researchers have demonstrated in a test environment proof of concept viruses that could modify the flash BIOS or install a rootkit on the BIOS of some systems so that it could survive a reformat and reinfected a clean disk.
Can a rootkit infect the BIOS?
Otherwise known as rootkits, malware that targets the BIOS/UEFI can survive an OS reinstall. Security researchers at Kaspersky have discovered a rootkit in the wild that infects UEFI (Unified Extensible Firmware Interface) firmware, which is basically the modern day BIOS.
Can a virus overwrite BIOS?
CIH, also known as Chernobyl or Spacefiller, is a Microsoft Windows 9x computer virus which first emerged in 1998. Its payload is highly destructive to vulnerable systems, overwriting critical information on infected system drives, and in some cases destroying the system BIOS.
Can a computer BIOS get corrupted?
A corrupted motherboard BIOS can occur for various reasons. The most common reason why it happens is due to a failed flash if a BIOS update was interrupted. If the BIOS is corrupted, the motherboard will no longer be able to POST but that does not mean all hope is lost. … Then the system should be able to POST again.
Can a virus destroy a motherboard?
As a computer virus is only code, it cannot physically damage computer hardware. However, it can create scenarios where hardware or equipment controlled by computers is damaged. For example, a virus may instruct your computer to turn off the cooling fans, causing your computer to overheat and damage its hardware.
Where do viruses hide on your computer?
Viruses can be disguised as attachments of funny images, greeting cards, or audio and video files. Computer viruses also spread through downloads on the Internet. They can be hidden in pirated software or in other files or programs that you might download.
What does a macro virus do?
What do macro viruses do? Macro viruses are programmed to perform lots of tasks on computers. For example, a macro virus can create new files, corrupt data, move text, send files, format hard drives, and insert pictures.
What are rootkit attacks?
Rootkit is a term applied to a type of malware that is designed to infect a target PC and allow an attacker to install a set of tools that grant him persistent remote access to the computer. … In recent years, a new class of mobile rootkits have emerged to attack smartphones, specifically Android devices.
What is UEFI rootkit?
Unified Extensible Firmware Interface (UEFI) is a modern replacement for the old BIOS, the software that runs at the beginning of a computer’s boot process and helps interface with the main operating system.
What is a rootkit virus and how does it work?
A rootkit is a collection of computer software, typically malicious, that is designed to grant an unauthorized user access to a computer or certain programs. Once a rootkit is installed, it is easy to mask its presence, so an attacker can maintain privileged access while remaining undetected.