Next, this procedure was repeated, but using malware samples on a connected USB flash drive rather than a network share. If any of the malware samples were not detected by on-access protection during the copy process, they were executed. The firm then tested the AV by taking the following steps:ĪV-Comparatives attempted to copy malware samples from a network share to the Desktop folder of the Windows 11 system.

To check for compatibility, AV-Comparatives installed each antivirus tool on a clean-base system with Windows 11 Preview Build 22454.1000 and then ran a manual database update for each app, where possible.