??????(??)???? - 4% Detection Rate *
Did you just stumble upon a download or a file on your computer that has been digitally signed by ??????(??)????? Some of the security products refers to the detected files as Riskware ( 0040eff71 ) and W32/Trojan.RMZT-3110. The detection rate for the ??????(??)???? files collected here is 4%. Please read on for more details.
You will probably notice ??????(??)???? when running the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:
You can view the digital signature details for ??????(??)???? with the following steps:
- Open Windows Explorer and locate the ??????(??)???? file
- Right-click the file and select Properties
- Click the Digital Signatures tab
- Click on the View Certificate button
Here's a screenshot of a file that has been signed by ??????(??)????:
 -certificate.png)
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 ??????(??)???? and that no one has tampered with the file.
If you click the View Certificate button shown in the screengrab 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 see the address for ??????(??)????, such as the street name, city and country.
WoSign Class 3 Code Signing CA and DigiCert SHA2 Assured ID Code Signing CA has issued the ??????(??)???? certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
??????(??)???? Files
The following are the ??????(??)???? files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 1/56 | webserve.exe |
| 14/63 | FFSetupLite.exe |
| 0/58 | YoukuMediaCenter.exe |
| 0/52 | ykcool64.dll |
| 0/57 | cmc64.dll |
Scanner and Detection Names
Here is the detection names for the ??????(??)???? files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| Antiy-AVL | GrayWare[AdWare]/Win32.FileFinder.h |
| Cyren | W32/Trojan.RMZT-3110 |
| ESET-NOD32 | Win32/InstallCore.AYH potentially unwanted |
| Fortinet | W32/InnoMod.AYH |
| K7AntiVirus | Riskware ( 0040eff71 ) |
| K7GW | Riskware ( 0040eff71 ) |
| Microsoft | PUA:Win32/InstallCore |
| Paloalto | generic.ml |
| Qihoo-360 | HEUR/QVM42.3.3E8D.Malware.Gen |
| Rising | Packer.Win32.Obfuscator.n (CLASSIC) |
| SUPERAntiSpyware | PUP.InstallCore/Variant |
| Sophos | InnoMod (PUA) |
| Symantec | ML.Attribute.HighConfidence |
| Webroot | Adware.Installcore |
| eGambit | Unsafe.AI_Score_84% |
* How the Detection Percentage is Calculated
The detection percentage is based on that I've collected 398 scan results for the ??????(??)???? files. 15 of these scan reports came up with some sort of detection. You can review the full details of the scan reports by examining the files listed above.
Analysis Details
The analysis has been done on certificates with the following serial numbers:
- 40ef586fba659c864b6ea6ebbd114a16
- 0eef32c93e68fea881aeea7b438426d4
- 60bc17a063d109a90ef3616b5f10533d