Application-POST very slow after installing the Crowdstrike sensor

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Good morning,

We have started to install the CrowdStrike Falcon sensor (antivirus and endpoint protection) on some of our systems.

However, there seems to be an issue with one of our Windows Server 2022 machines that has the IIS installed. Immediately after installation, users noticed a rapid increase in load times.

We have found that the POST request from the client takes approximately 20-30 seconds to complete. Uninstalling the sensor solved the problem immediately. The POST request time then returned to normal (500ms).

After contacting CrowdStrike customer support, we were told to exclude all paths used by Wisej.
We’ve already excluded the following paths:

“C:\inetpub\logs\LogFiles
“C:\ProgramData\IceTeaGroup\Wisej”
“C:\Windows\System32\inetsrv
“C:\inetpub\wwwroot”
However, this did not work.
Could you please provide me with a list of all the file locations used by Wisej?

 

Thanks in advance and best regards,

Tom-Lukas Rugen

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Hi there,

Thanks for your quick reply.

None of the applications are writing to the server’s file system.
I will be contacting CrowdStrike support with my findings.

Best regards,
Tom

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Good morning, Tom-Lukas!

Wisej.NET doesn’t use other paths, perhaps your application is writing to the server’s file system as well?

You can try to exclude those paths as well and see if that makes any difference?

Best Regards,
Alaa

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