zamguard64.sys
ZAM file version info
Driver on Windows LOLDrivers vulnerable driver
A known vulnerable driver
T1068Exploitation for Privilege Escalation
2 known samples
45f42c5d874369d6be270ea27a5511efcca512aeac7977f83a51b7c4dee6b5ef9a95a70f68144980f2d684e96c79bdc93ebca1587f46afae6962478631e85d0cFrom LOLDrivers (Apache 2.0). A driver is known by its hash: a sample under another name is the same driver. In Ceplin, "<sha256>".whatis() says which sample a hash is.
Is it the real zamguard64.sys?
ProductZAM, Zemana Ltd.
DescriptionZAM
From the file’s version info, as recorded by xCyclopedia (MIT). A copy in another folder, signed by someone else or with another hash is not necessarily malicious, but it is worth a closer look.