ktdifilt.sys
Kingsoft Firewall TdiFilter Driver file version info
Driver on Windows LOLDrivers vulnerable driver
A known vulnerable driver
T1068Exploitation for Privilege Escalation
1 known sample
2017,07,03,367 · its entry
597eff2718073b11da3d4bcade9a03fb4684f9be57d184fce65ac70a2ef07246From 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 ktdifilt.sys?
ProductKingsoft Internet Security, Kingsoft Corporation
DescriptionKingsoft Firewall TdiFilter 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.