What is iisexpress.exe?
iisexpress.exe is part of Internet Information Services and developed by Microsoft Corporation according to the iisexpress.exe version information.
iisexpress.exe's description is "IIS Express Worker Process"
iisexpress.exe is digitally signed by Microsoft Corporation.
iisexpress.exe is usually located in the 'C:\Program Files\IIS Express\' folder.
None of the anti-virus scanners at VirusTotal reports anything malicious about iisexpress.exe.
If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.
Vendor and version information [?]
The following is the available information on iisexpress.exe:
| Property | Value |
|---|---|
| Product name | Internet Information Services |
| Company name | Microsoft Corporation |
| File description | IIS Express Worker Process |
| Internal name | iisexpress.exe |
| Original filename | iisexpress.exe.mui |
| Legal copyright | © Microsoft Corporation. All rights reserved. |
| Product version | 8.0.8418.0 |
| File version | 8.0.8418.0 (winmain(eokim).120521-1722) |
Here's a screenshot of the file properties when displayed by Windows Explorer:
| Product name | Internet Information Services |
| Company name | Microsoft Corporation |
| File description | IIS Express Worker Process |
| Internal name | iisexpress.exe |
| Original filename | iisexpress.exe.mui |
| Legal copyright | © Microsoft Corporation. All rights.. |
| Product version | 8.0.8418.0 |
| File version | 8.0.8418.0 (winmain(eokim).120521-17.. |
Digital signatures [?]
iisexpress.exe has a valid digital signature.
| Property | Value |
|---|---|
| Signer name | Microsoft Corporation |
| Certificate issuer name | Microsoft Code Signing PCA |
| Certificate serial number | 6119cc93000100000066 |
VirusTotal report
None of the 54 anti-virus programs at VirusTotal detected the iisexpress.exe file.
Hashes [?]
| Property | Value |
|---|---|
| MD5 | b655b5d0e3aa88bd17224bebd5beefca |
| SHA256 | ed5c5e658863987fa757cead3fc9d83f2ed0eec26e40aab5b207c31bd5a0899e |
Error Messages
These are some of the error messages that can appear related to iisexpress.exe:
iisexpress.exe has encountered a problem and needs to close. We are sorry for the inconvenience.
iisexpress.exe - Application Error. The instruction at "0xXXXXXXXX" referenced memory at "0xXXXXXXXX". The memory could not be "read/written". Click on OK to terminate the program.
IIS Express Worker Process has stopped working.
End Program - iisexpress.exe. This program is not responding.
iisexpress.exe is not a valid Win32 application.
iisexpress.exe - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.
What will you do with iisexpress.exe?
To help other users, please let us know what you will do with iisexpress.exe:
What did other users do?
The poll result listed below shows what users chose to do with iisexpress.exe. 33% have voted for removal. Based on votes from 3 users.
NOTE: Please do not use this poll as the only source of input to determine what you will do with iisexpress.exe. Only 3 users has voted so far so it does not offer a high degree of confidence.
Malware or legitimate?
If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.
And now some shameless self promotion ;)
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If you have questions, feedback on FreeFixer or the freefixer.com website, need help analyzing FreeFixer's scan result or just want to say hello, please contact me. You can find my email address at the contact page.
Comments
Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.
I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.
No comments posted yet.