What is Mystifyr.dll?
Mystifyr.dll is part of Microsoft Message Queue and developed by Microsoft Corporation according to the Mystifyr.dll version information.
Mystifyr.dll's description is "Windows NT MQ Service"
Mystifyr.dll is usually located in the 'C:\Users\Nauta\AppData\Roaming\' folder.
Some of the anti-virus scanners at VirusTotal detected Mystifyr.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 Mystifyr.dll:
| Property | Value |
|---|---|
| Product name | Microsoft Message Queue |
| Company name | Microsoft Corporation |
| File description | Windows NT MQ Service |
| Original filename | MQSVC.EXE |
| Legal copyright | Copyright © Microsoft Corp. 1981-1999 |
| Legal trademark | Microsoft® is a registered trademark of Microsoft Corporation. Windows NT(TM) is a trademark of Microsoft Corporation |
| Product version | 5.00.0720 |
| File version | 5.00.0720 |
Here's a screenshot of the file properties when displayed by Windows Explorer:
| Product name | Microsoft Message Queue |
| Company name | Microsoft Corporation |
| File description | Windows NT MQ Service |
| Original filename | MQSVC.EXE |
| Legal copyright | Copyright © Microsoft Corp. 1981-1999 |
| Legal trademark | Microsoft® is a registered trademar.. |
| Product version | 5.00.0720 |
| File version | 5.00.0720 |
Digital signatures [?]
Mystifyr.dll is not signed.
VirusTotal report
21 of the 42 anti-virus programs at VirusTotal detected the Mystifyr.dll file. That's a 50% detection rate.
| Scanner | Detection Name |
|---|---|
| AhnLab-V3 | Trojan/Win32.Gen |
| AntiVir | SPR/Tool.52736.10 |
| Avast | Win32:MalOb-EI |
| Avast5 | Win32:MalOb-EI |
| AVG | Generic21.ADIL |
| BitDefender | Application.Generic.346317 |
| Comodo | UnclassifiedMalware |
| Emsisoft | Gen.Variant.Vundo!IK |
| F-Secure | Application.Generic.346317 |
| Fortinet | W32/VUNDO.HC!tr |
| GData | Application.Generic.346317 |
| Ikarus | Gen.Variant.Vundo |
| K7AntiVirus | Riskware |
| McAfee | Vundo!hc |
| McAfee-GW-Edition | Vundo!hc |
| NOD32 | a variant of Win32/Adware.Virtumonde.NHG |
| Panda | Suspicious file |
| PCTools | Trojan.Gen |
| Symantec | Trojan.Gen.2 |
| VBA32 | suspected of AdWare.SuperJuan.heur |
| VIPRE | Virtumonde |
Mystifyr.dll removal instructions
The instructions below shows how to remove Mystifyr.dll with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the Mystifyr.dll file for removal, restart your computer and scan it again to verify that Mystifyr.dll has been successfully removed. Here are the removal instructions in more detail:
- Download and install FreeFixer: http://www.freefixer.com/download.html
- Start FreeFixer and press the Start Scan button. The scan will finish in approximately five minutes.
- When the scan is finished, locate Mystifyr.dll in the scan result and tick the checkbox next to the Mystifyr.dll file. Do not check any other file for removal unless you are 100% sure you want to delete it. Tip: Press CTRL-F to open up FreeFixer's search dialog to quickly locate Mystifyr.dll in the scan result.
C:\Users\Nauta\AppData\Roaming\Mystifyr.dll 
- Scroll down to the bottom of the scan result and press the Fix button. FreeFixer will now delete the Mystifyr.dll file.
- Restart your computer.
- Start FreeFixer and scan your computer again. If Mystifyr.dll still remains in the scan result, proceed with the next step. If Mystifyr.dll is gone from the scan result you're done.
- If Mystifyr.dll still remains in the scan result, check its checkbox again in the scan result and click Fix.
- Restart your computer.
- Start FreeFixer and scan your computer again. Verify that Mystifyr.dll no longer appear in the scan result.
Hashes [?]
| Property | Value |
|---|---|
| MD5 | faa4ed4966e73c25142888946685f9ae |
| SHA256 | 7ad76fc2f024c1011cea73c4520af3b09b421ab8a081cf662fcaa57435feb615 |
Error Messages
These are some of the error messages that can appear related to Mystifyr.dll:
RUNDLL - Error loading C:\Users\Nauta\AppData\Roaming\Mystifyr.dll. The specified module could not be found.
RunDLL - There was a problem starting C:\Users\Nauta\AppData\Roaming\Mystifyr.dll. The specified module could not be found.
What will you do with Mystifyr.dll?
To help other users, please let us know what you will do with Mystifyr.dll:
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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