isapiClient.dll
by Microsoft
Web Server
Summary
ISAPI Client library - IIS ISAPI extension DLL, typically loaded by w3wp.exe for web application functionality.
isapiClient.dll is the 281st most commonly executed Windows program in EchoTrail's dataset, observed 40,754 times across enterprise environments. It typically runs from C:\Program Files (x86)\Trend Micro\Client Server Security Agent\HostedAgent\CPM\Web\officescan\cgi.
281st
most commonly executed Windows program
40,754
observed executions
medium
statistical confidence
Behavior
Top Paths
- C:\Program Files (x86)\Trend Micro\Client Server Security Agent\HostedAgent\CPM\Web\officescan\cgi100%
Top Hashes (SHA256)
- 5740e0467d25b4843e2ba2732f263a915b0171d6e91b31ac32b489cb9fe571c920.21%
- ed93ed95d3f1c7fcf3940192fa8db412ed53e5857e3079d2ba4a4505e9e1baa714.82%
- b0d38867f784a570a5282866676f067926ec93e8c94547fb00e6a4c5bda6cc1f12.5%
- f094141a50f68236a1515176972b9de2d9cd2a8c061c178e17158a86edb3136112.49%
- 07919bf81f2dbac0c91024cf214ef6558b5d070db1b1bc5190b1e85619eda4cb11.31%
- 4a2fcc5a2141fb3f46720829e320cf8c0cdabd5572fd7678b7318c811fe605279.54%
- a11021ba22ef4d74da18e06409d66ec0332e6e3cc16cff16cbcc2b942efd22826.9%
- b167fd785bc464ebb7fd1780321b9fd595fab8f2f937a8acb2715f5cd765da276.28%
- eca8aa51aa182fc9924852bd8e9d94197662365dcdf9bba097c9a18e4345cffb5.82%
- 31a98740d27cd99906f9cc73efae61e0fe22d05315f8ef58f83c333797048c330.13%
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Data from EchoTrail's dataset of ~346M Windows process executions. Last extracted 2026-08-04.