Did you just stumble upon a download or a file on your computer that has a digital signature from NO ZEBRA NETWORK S.A? Some of the security products refers to the detected files as Gen:Variant.Application.Agent.29 and InstallCore. The detection rate for the NO ZEBRA NETWORK S.A files collected here is 54%. Please read on for more details.
You will probably see NO ZEBRA NETWORK S.A when running the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view additional details from the NO ZEBRA NETWORK S.A certificate with the following steps:
Here is a screengrab of a file that has been signed by NO ZEBRA NETWORK S.A:

As you can see in the screenshot above, Windows states that "This digital signature is OK". This implies that the file has been published by NO ZEBRA NETWORK S.A and that no one has tampered with the file.
If you click the View Certificate button shown in the screenshot above, you can examine all the details of the certificate, such as when it was issued, who issued the certificate, how long it is valid, and so on. You can also see the address for NO ZEBRA NETWORK S.A, such as the street name, city and country.
thawte SHA256 Code Signing CA has issued the NO ZEBRA NETWORK S.A certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the NO ZEBRA NETWORK S.A files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 37/69 | Baixaki_Baixar Musicas Gratis_3170357449.exe |
Here is the detection names for the NO ZEBRA NETWORK S.A files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| APEX | Malicious |
| Ad-Aware | Gen:Variant.Application.Agent.29 |
| AhnLab-V3 | PUP/Win32.InstallCore.C3234473 |
| Arcabit | Trojan.Application.Agent.29 |
| BitDefender | Gen:Variant.Application.Agent.29 |
| Comodo | Malware@#ervyijxqisu1 |
| CrowdStrike | win/malicious_confidence_80% (D) |
| Cybereason | malicious.099be5 |
| Cylance | Unsafe |
| Cyren | W32/Application.MMOM-0656 |
| DrWeb | Trojan.InstallCore.3339 |
| ESET-NOD32 | Win32/InstallCore.AYH potentially unwanted |
| Emsisoft | Application.InstallCore (A) |
| FireEye | Generic.mg.8cf4c15099be5597 |
| Fortinet | Riskware/InstallCore |
| GData | Win32.Application.InstallCore.LR@gen |
| Invincea | heuristic |
| K7AntiVirus | Adware ( 0053289d1 ) |
| K7GW | Adware ( 0053289d1 ) |
| MAX | malware (ai score=99) |
| Malwarebytes | PUP.Optional.InstallCore.Generic |
| McAfee | InstallCore |
| McAfee-GW-Edition | InstallCore |
| MicroWorld-eScan | Gen:Variant.Application.Agent.29 |
| Microsoft | PUA:Win32/InstallCore |
| NANO-Antivirus | Trojan.Win32.InstallCore.frpmod |
| Panda | PUP/InstallCore |
| Qihoo-360 | Win32/Application.165 |
| Rising | Packer.Win32.Obfuscator.n (CLASSIC) |
| SentinelOne | DFI - Suspicious PE |
| Sophos | Install Core (PUA) |
| Symantec | PUA.InstallCore |
| TrendMicro | TROJ_GEN.R061C0PEA19 |
| TrendMicro-HouseCall | TROJ_GEN.R061C0PEA19 |
| VIPRE | Trojan.Win32.Generic!BT |
| ViRobot | Adware.Installcore.2142032 |
| Webroot | Pua.Downloadmanager |
The detection percentage is based on that I have gathered 69 scan results for the NO ZEBRA NETWORK S.A files. 37 of these scan results 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: