CmdID

CmdID / Files

activeds.dll

ADs Router Layer DLL file version info

Library on Windows 2 known copies with hashes 1 Sigma rule names it

Is it the real activeds.dll?

file version info and known copies
Original nameADs in the file’s header: a renamed copy still carries it
Installed inC:\Windows\system32\
C:\Windows\SysWOW64\
Signed byMicrosoft Windows
ProductMicrosoft Windows Operating System, Microsoft Corporation
DescriptionADs Router Layer DLL

2 known copies

10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\system32\activeds.dll · signed by Microsoft Windows

67e98c5d16548a5cc7131724329c213e607d62530a41e8556de4fb2c7940981f

10.0.19041.1 (WinBuild.160101.0800) · C:\Windows\SysWOW64\activeds.dll · signed by Microsoft Windows

78fb0ac33f7ead29f16ec1b9a0b44843962722346bb9a938434950c69dc15468

From 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

Sigma names activeds.dll in 1 rule, for every kind of event; none is a process creation rule CmdID evaluates, so none is listed.