Kaspersky is handing the computer security of US customers to UltraAV, an "alternative" product with unknown anti-malware capabilities. The move comes after US authorities banned its

Some US Kaspersky security users got a big surprise when their protection was suddenly replaced by UltraAV due to a government ban. But Kaspersky’s demise has been looming for years.

The Russian cybersecurity company says it's been notifying users of the change and is aiming for a smooth transition of software.

Customers of Kaspersky antivirus in the United States found out in the last few days that their cybersecurity software was automatically replaced with a new one called UltraAV, according to several customers who posted on social media.

"Following the recent decision by the U.S. Department of Commerce that prohibits Kaspersky from selling or updating certain antivirus products in the United States, Kaspersky part