Did you just find a download or a file on your computer that is digitally signed by Meqnugl Nuikgi? Some of the security products refers to the detected files as PUP.Optional.Winsock.HijackBoot and Riskware ( 0040eff71 ). The detection rate for the Meqnugl Nuikgi files collected here is 15%. Please read on for more details.
You'll typically notice Meqnugl Nuikgi when clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can also view the Meqnugl Nuikgi certificate with the following procedure:
Here is a screengrab of a file that has been signed by Meqnugl Nuikgi:

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This implies that the file has been published by Meqnugl Nuikgi and that the file has not been tampered with.
If you click the View Certificate button shown in the screengrab above, you can view all the details of the certificate, such as when it was issued, who issued the certificate, how long it is valid, etc. You can also view the address for Meqnugl Nuikgi, such as the street name, city and country.
Celon Ruundo has issued the Meqnugl Nuikgi certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screencap above.
The following are the Meqnugl Nuikgi files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 3/56 | Nidobo64.dll |
| 6/57 | Logtao.dll |
| 17/56 | Nidobo.dll |
Here is the detection names for the Meqnugl Nuikgi files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVware | Shopperz (fs) |
| AhnLab-V3 | PUP/Win32.Pennybee |
| Avira | ADWARE/PennyBee.Gen, PUA/Vbates.Gen |
| Baidu-International | PUA.Win32.Perion.T |
| Comodo | UnclassifiedMalware |
| ESET-NOD32 | a variant of Win32/Toolbar.Perion.T potentially unwanted, a variant of Win32/RiskWare.Komodia.I |
| Fortinet | Riskware/Komodia |
| Ikarus | AdWare.PennyBee |
| K7AntiVirus | Adware ( 004c8a301 ), Riskware ( 0040eff71 ) |
| K7GW | Adware ( 004c8a301 ), Riskware ( 0040eff71 ) |
| Kaspersky | not-a-virus:AdWare.Win32.OptimizerMonitor.r |
| Malwarebytes | PUP.Optional.Winsock.HijackBoot |
| McAfee | Artemis!7CB85565B335 |
| McAfee-GW-Edition | Artemis |
| NANO-Antivirus | Riskware.Win32.Agent.dtncsv, Riskware.Win32.OptimizerMonitor.dwtgxs |
| Panda | Generic Suspicious |
| Sophos | Generic PUA KJ (PUA) |
| Tencent | Win32.Trojan.Falsesign.Aljc |
| VIPRE | Shopperz (fs) |
The detection percentage is based on that I've gathered 169 scan results for the Meqnugl Nuikgi files. 26 of these scan reports came up with some sort of detection. You can view the full details of the scan results by examining the files listed above.
The analysis is based on certificates with the following serial numbers: