dcomp.dll
Microsoft DirectComposition Library file version info
Library on Windows 2 known copies with hashes 1 Sigma rule names it
Is it the real dcomp.dll?
Installed in
C:\Windows\system32\C:\Windows\SysWOW64\Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionMicrosoft DirectComposition Library
2 known copies
10.0.19041.488 (WinBuild.160101.0800) · C:\Windows\system32\dcomp.dll · signed by Microsoft Windows
31091414ced9f1ade147406a6f1303c818bac5f54feb68918b9427e029b7bd6410.0.19041.488 (WinBuild.160101.0800) · C:\Windows\SysWOW64\dcomp.dll · signed by Microsoft Windows
52f3ea5c45627efb484f9083a3569ff8a678f4b1c2347ad1fcb70426d91a0cb9From the file’s version info and the copies 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. In Ceplin, "<sha256>".whatis() says which known copy a hash is.
What detects it
Sigma names dcomp.dll in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.