psmounterex.sys
Paramount Software Image Mounting Driver file version info
Driver on Windows LOLDrivers vulnerable driver
A known vulnerable driver
T1068Exploitation for Privilege Escalation
1 known sample
v7.2.4058 · its entry
4e99d454a56845bb0e622cfd68b895b7868ef7e8a43424e5b7b803f5a2d25ecaFrom 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 psmounterex.sys?
ProductPSMounterEx, Windows (R) Win 7 DDK provider
DescriptionParamount Software Image Mounting 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.