What can you do if the reason for your computer infection is so deep that malicious code cannot be detected even with the best antivirus scans? Firmware has become a notoriously great place for mischief, with malware planted at the firmware level.
What is firmware? It is described as the low-level code that bridges the hardware and operating system at startup.
Jan Willem Aldershoff in Myce.com wrote "Firmware is often the first piece of code loaded on a system and resides in a flash memory soldered to the mainboard. By infecting firmware an attacker can add malicious code that remains on the computer even after a clean install."
You have probably seen numerous headlines warning about router firmware as vulnerable to attack.
Abner Li in 9to5Google also talked about the security headache, in that "malicious software that targets firmware can remain on a computer even after reboots, OS wipes, and installations. As most antiviruses do not scan computer firmware, it leaves a gaping security hole."
Read more: http://techxplore.com/news/2016-01-bad-news-virustotal-scan-malicious.html
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