That lack of user interaction — or request for consent — is what confused and concerned some former Kaspersky customers.

In a statement to CNET, Kaspersky says that it partnered with UltraAV, a company owned by Pango Group, a holding company based in Burlington, Massachusetts, to keep US-based custo

Kaspersky deleted its anti-malware software from computers across the United States and replaced it with UltraAV's antivirus solution without warning.

After U.S. ban, Kaspersky's American customers were automatically migrated to UltraAV antivirus, in some cases without the customers' knowledge.

Kaspersky antivirus software automatically deletes itself from U.S. users' computers and installs UltraAV without warning.

Last week, users of Kaspersky anti-virus software found that the software had been uninstalled from their computers and that UltraAV's anti-virus had been installed in its place. The users had not consented to or initiated any of it.