Did you just run into a download or a file on your computer that has a digital signature from Gross LLC.? Some of the security products refers to the detected files as Trojan.Win32.Loskad.qvk and Win32:DangerousSig [Trj]. The detection rate for the Gross LLC. files collected here is 60%. Please read on for more details.
You will probably see Gross LLC. when double-clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view the additional details from the Gross LLC. digital signature with the following procedure:
Here's a screenshot of a file signed by Gross LLC.:

As you can see in the screenshot above, Windows states that "This digital signature is OK". This means that the file has been published by Gross LLC. and that no one has tampered with the file.
If you click the View Certificate button shown in the screenshot above, you can see 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 examine the address for Gross LLC., such as the street name, city and country.
COMODO RSA Code Signing CA has issued the Gross LLC. certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Gross LLC. files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 41/68 | msi.exe |
Here's the detection names for the Gross LLC. files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | Win32:DangerousSig [Trj] |
| AVware | Trojan.Win32.Generic!BT |
| AhnLab-V3 | Trojan/Win32.Loskad.R220617 |
| Antiy-AVL | Trojan/Win32.TSGeneric |
| Avast | Win32:DangerousSig [Trj] |
| Baidu | Win32.Trojan.WisdomEyes.16070401.9500.9998 |
| BitDefender | Gen:Variant.Graftor.468481 |
| CAT-QuickHeal | Trojan.Zenshirsh.SL7 |
| CrowdStrike | malicious_confidence_90% (W) |
| Cybereason | malicious.80d2ee |
| Cylance | Unsafe |
| Cyren | W32/Trojan.GFDL-6325 |
| DrWeb | Trojan.LoadMoney.3470 |
| ESET-NOD32 | a variant of Win32/Kryptik.GDDW |
| Emsisoft | Application.InstallMon (A) |
| Endgame | malicious (high confidence) |
| Fortinet | W32/Kryptik.GBHB!tr |
| GData | Win32.Trojan.Agent.P9FEYG |
| Ikarus | Virus.Win32.CeeInject |
| Invincea | heuristic |
| K7AntiVirus | Trojan ( 005273471 ) |
| K7GW | Trojan ( 005273471 ) |
| Kaspersky | Trojan.Win32.Loskad.qvk |
| Malwarebytes | Adware.LoadMoney |
| McAfee | GenericRXEC-FS!772D0A580D2E |
| McAfee-GW-Edition | Artemis!Trojan |
| Microsoft | SoftwareBundler:Win32/Ogimant |
| NANO-Antivirus | Trojan.Win32.LoadMoney.eycfvk |
| Paloalto | generic.ml |
| Panda | Trj/Genetic.gen |
| Rising | Trojan.Kryptik!1.AFA8 (CLASSIC) |
| SentinelOne | static engine - malicious |
| Sophos | Mal/Generic-S |
| Symantec | W32.Mandaph |
| TrendMicro | TROJ_GEN.R004C0OBJ18 |
| TrendMicro-HouseCall | TROJ_GEN.R004C0OBJ18 |
| VBA32 | SScope.Downware.LMN |
| VIPRE | Trojan.Win32.Generic!BT |
| ViRobot | Trojan.Win32.Z.Kryptik.1393648 |
| Webroot | W32.Adware.Gen |
| ZoneAlarm | Trojan.Win32.Loskad.qvk |
The detection percentage is based on that I've collected 68 scan results for the Gross LLC. files. 41 of these scan reports came up with some sort of detection. You can review the full details of the scan results by examining the files listed above.
The analysis is based on certificates with the following serial numbers: