Kaspersky, the company specialized in cyber security, revealed, after analyzing attacks on mobile phones, that 14.8% of users of its security solutions who were targeted with malware or advertising software had suffered an infection in the "system partition" of the storage disk, making the malicious files unnecessary. Removable. The company said in a statement that its analysts found, moreover, that the basic pre-installed applications on these phones involve a risk, ranging from 1% to 5% in low-cost devices, depending on the brand, while it may reach 27% In extreme cases.

She explained that the infection of the "system partition" involves a high level of risk to the users of the affected devices, as the security solution cannot access the system folders, which means his inability to remove malicious files.

According to Kaspersky researchers, this type of infection has become one of the most common ways to install advertising software that is designed and used to display intrusive ads.