OPEN.co., ltd - 28% Detection Rate *
Did you just run into a download or a file on your computer that has a digital signature from OPEN.co., ltd? Some of the security products refers to the detected files as Win32:Adware-AZE [Adw] and Win32/Trojan.Adware.37e. The detection rate for the OPEN.co., ltd files collected here is 28%. Please read on for more details.
You will typically notice OPEN.co., ltd when clicking to run 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 OPEN.co., ltd certificate with the following procedure:
- Open up Windows Explorer and locate the OPEN.co., ltd file
- Right-click on the file and select Properties
- Click on the Digital Signatures tab
- Click the View Certificate button
Here is a screenshot of a file signed by OPEN.co., ltd:
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 OPEN.co., ltd and that no one has tampered with the file.
If you click the View Certificate button shown in the screencap 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 examine the address for OPEN.co., ltd, such as the street name, city and country.
Thawte Code Signing CA - G2 has issued the OPEN.co., ltd certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
OPEN.co., ltd Files
These are the OPEN.co., ltd files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 17/69 | winapp.exe |
| 20/64 | windowunitpop.exe |
Scanner and Detection Names
Here's the detection names for the OPEN.co., ltd files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | Win32:Adware-AZE [Adw] |
| AhnLab-V3 | PUP/Win32.WinApp.R122540, PUP/Win32.Winerspop.R121937 |
| Avast | Win32:Adware-AZE [Adw] |
| DrWeb | Trojan.Adkor.110 |
| ESET-NOD32 | a variant of Win32/RiskWare.Chinbo.K |
| Endgame | malicious (high confidence) |
| Fortinet | Riskware/Chinbo |
| K7AntiVirus | Riskware ( 00500b281 ) |
| K7GW | Riskware ( 00500b281 ) |
| Kingsoft | Win32.Troj.Generic.a.(kcloud) |
| Malwarebytes | Adware.Kraddare |
| McAfee | Artemis!2F164E701AD6, Artemis!AA3C56D8D086 |
| McAfee-GW-Edition | Artemis!PUP, Artemis!Trojan |
| Microsoft | PUA:Win32/Winapp |
| NANO-Antivirus | Trojan.Win32.Adkor.feexlr |
| Qihoo-360 | Win32/Trojan.Adware.37e |
| Rising | Malware.Undefined!8.C (CLOUD), PUF.Winapp!8.F67A (CLOUD) |
| Sophos | Generic PUA FN (PUA) |
| Tencent | Win32.Trojan.Falsesign.Hrza, Win32.Trojan.Falsesign.Lmkq |
| VBA32 | BScope.Trojan.Adkor |
| Yandex | RiskWare.Chinbo! |
| Zillya | Trojan.AdkorCRTD.Win32.3259 |
* How the Detection Percentage is Calculated
The detection percentage is based on the fact that I have collected 133 scan reports for the OPEN.co., ltd files. 37 of these scan reports came up with some sort of detection. If you like, you can review the full details of the scan reports by examining the files listed above.
Analysis Details
The analysis is based on certificates with the following serial numbers:
- 548aad77f8523322625f42520037ea48