AsIO3_64.sys
AsIO3 Driver file version info
Driver on Windows LOLDrivers vulnerable driver
A known vulnerable driver
T1068Exploitation for Privilege Escalation
3 known samples
7236c8ff33c0e5cfa956778aa7303f1979f3bf709c361399fa1ce101b7e355b8910479467ef17b9591d8d42305e7f6f247ad41c60ec890a1ffbe331f495ed135fa875178ae2d7604d027510b0d0a7e2d9d675e10a4c9dda2d927ee891e0bcb91From 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 AsIO3_64.sys?
ProductAsIO3, Asustek Computer Inc.
DescriptionAsIO3 Driver
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.