Did you just run into a download or a file on your computer that is digitally signed by Maroin Co., Ltd? Some of the security products refers to the detected files as Artemis and Adware.Agent. The detection rate for the Maroin Co., Ltd files collected here is 19%. Please read on for more details.
You'll typically notice Maroin Co., Ltd when clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screengrab shows:

You can view additional details from the Maroin Co., Ltd certificate with the following procedure:
Here's a screenshot of a file signed by Maroin Co., Ltd:

As you can see in the screencap above, Windows states that "This digital signature is OK". This means that the file has been published by Maroin Co., Ltd and that the file has not been tampered with.
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, etc. You can also examine the address for Maroin Co., Ltd, such as the street name, city and country.
thawte SHA256 Code Signing CA has issued the Maroin Co., Ltd certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Maroin Co., Ltd files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 5/53 | smarttip_update.exe |
| 3/57 | SmartTipAgent.exe |
| 11/57 | smartweb_update.exe |
| 25/67 | smarttip_silent.exe |
Here is the detection names for the Maroin Co., Ltd files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVware | Adware.Agent |
| AegisLab | Troj.Agent.Gen!c |
| AhnLab-V3 | PUP/Win32.OpenKeyword.R141777 |
| Antiy-AVL | GrayWare[Downloader]/Win32.Adload.gen |
| Avast | Win32:Malware-gen |
| Avira | TR/Agent.2740968, TR/Agent.3501248 |
| CrowdStrike | malicious_confidence_70% (D) |
| Cylance | Unsafe |
| Cyren | W32/GenBl.DB68B51D!Olympus |
| DrWeb | Trojan.Click3.10466, Trojan.Adkor.307 |
| Ikarus | Trojan.Agent |
| Jiangmin | AdWare.Kraddare.jn, Adware.Agent.wxr |
| Kaspersky | not-a-virus:AdWare.Win32.Agent.xxddwb |
| MAX | malware (ai score=94) |
| McAfee | Artemis!08DDB85586F6, Artemis!07FB7D305FA4, Artemis!67921A814373, Artemis!DB68B51D5FB8 |
| McAfee-GW-Edition | BehavesLike.Win32.BadFile.vc, Artemis |
| Microsoft | PUA:Win32/Creprote |
| NANO-Antivirus | Trojan.Nsis.Click.dqabbw, Riskware.Win32.Agent.esbqaj |
| Qihoo-360 | HEUR/QVM42.1.Malware.Gen |
| Rising | Malware.Undefined!8.C-TfFcrYt8plG (Cloud) |
| Sophos | Generic PUA CE (PUA) |
| Symantec | ML.Attribute.HighConfidence |
| Tencent | Win32.Adware.Agent.Wsts |
| TrendMicro-HouseCall | TROJ_GEN.R061H0CDH18 |
| VBA32 | AdWare.Agent |
| VIPRE | Adware.Agent |
| Zillya | Trojan.AgentCRTD.Win32.5329 |
| ZoneAlarm | not-a-virus:AdWare.Win32.Agent.xxddwb |
| eGambit | Unsafe.AI_Score_65% |
The detection percentage is based on that I have gathered 234 scan reports for the Maroin Co., Ltd files. 44 of these scan reports came up with some sort of detection. If you like, 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: