What is MSASN1.dll?

MSASN1.dll is part of Microsoft® Windows® Operating System and developed by Microsoft Corporation according to the MSASN1.dll version information.

MSASN1.dll's description is "ASN.1 Runtime APIs"

MSASN1.dll is usually located in the 'C:\WINDOWS\system32\' folder.

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 MSASN1.dll:

PropertyValue
Product nameMicrosoft® Windows® Operating System
Company nameMicrosoft Corporation
File descriptionASN.1 Runtime APIs
Internal namemsasn1.dll
Original filenamemsasn1.dll
Legal copyright© Microsoft Corporation. All rights reserved.
Product version5.1.2600.2180
File version5.1.2600.2180 (xpsp_sp2_rtm.040803-2158)

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

Product nameMicrosoft® Windows® Operating System
Company nameMicrosoft Corporation
File descriptionASN.1 Runtime APIs
Internal namemsasn1.dll
Original filenamemsasn1.dll
Legal copyright© Microsoft Corporation. All rights..
Product version5.1.2600.2180
File version5.1.2600.2180 (xpsp_sp2_rtm.040803-2..

Folder name variants

MSASN1.dll may also be located in other folders than C:\WINDOWS\system32\. The most common variants are listed below:

Hashes [?]

PropertyValue
MD55a27642480243bf0ba8cfc01080c47cd
SHA256355930073b268bc4365e212e4cb51edab262f237982a8f994d52fadb99a2bd31

What will you do with MSASN1.dll?

To help other users, please let us know what you will do with MSASN1.dll:



What did other users do?

The poll result listed below shows what users chose to do with MSASN1.dll. 0% have voted for removal. Based on votes from 3 users.

Votes
Keep100 %
3
Remove0 %
0

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


Free online surveys

And now some shameless self promotion ;)

A screenshot of FreeFixer's scan result.Hi, my name is Roger Karlsson. I've been running this website since 2006. I want to let you know about the FreeFixer program. FreeFixer is a freeware tool that analyzes your system and let you manually identify unwanted programs. Once you've identified some malware files, FreeFixer is pretty good at removing them. You can download FreeFixer here. It runs on Windows 2000/XP/2003/2008/2016/2019/Vista/7/8/8.1/10. Supports both 32- and 64-bit Windows.

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.

Leave a reply