What is cmasiop.dll?

cmasiop.dll is part of C-Media Universal ASIO Driver and developed by C-Media Electronics Inc. according to the cmasiop.dll version information.

cmasiop.dll's description is "C-Media Universal ASIO Driver"

cmasiop.dll is usually located in the 'c:\WINDOWS\system32\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about cmasiop.dll.

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 cmasiop.dll:

PropertyValue
Product nameC-Media Universal ASIO Driver
Company nameC-Media Electronics Inc.
File descriptionC-Media Universal ASIO Driver
Internal namecmasiox
Original filenamecmasiox.dll
Legal copyrightCopyright (c) 2004-2011 C-Media Electronics Inc.
Product version2, 0, 0, 10
File version2, 0, 0, 10

Here's a screenshot of the file properties when displayed by Windows Explorer:

Product nameC-Media Universal ASIO Driver
Company nameC-Media Electronics Inc.
File descriptionC-Media Universal ASIO Driver
Internal namecmasiox
Original filenamecmasiox.dll
Legal copyrightCopyright (c) 2004-2011 C-Media Elec..
Product version2, 0, 0, 10
File version2, 0, 0, 10

Digital signatures [?]

cmasiop.dll is not signed.

VirusTotal report

None of the 55 anti-virus programs at VirusTotal detected the cmasiop.dll file.

None of the 55 anti-virus programs detected the cmasiop.dll file.

Hashes [?]

PropertyValue
MD5fd8dfab2c516f6e41d1b72780724dbbe
SHA25684f117503b74df78be7e51e480e15794cf53bde50d3eaf1b881441fb3541b59b

What will you do with cmasiop.dll?

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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.

Please select the option that best describe your thoughts on the information provided on this web page


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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.

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