Open Source Developer - 15% Detection Rate *
Did you just stumble upon a download or a file on your computer that has a digital signature from Open Source Developer? Some of the security products refers to the detected files as InstallCore.EC4 and Trojan.Win32.Generic!BT. The detection rate for the Open Source Developer files collected here is 15%. Please read on for more details.
You will probably see Open Source Developer when clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:
You can also view the Open Source Developer certificate with the following steps:
- Open up Windows Explorer and locate the Open Source Developer file
- Right-click on the file and select Properties
- Click on the Digital Signatures tab
- Click the View Certificate button
Here's a screenshot of a file that has been digitally signed by Open Source Developer:
As you can see in the screenshot above, Windows reports that "This digital signature is OK". This means that the file has been published by Open Source Developer and that the file has not been tampered with.
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, and so on. You can also see the address for Open Source Developer, such as the street name, city and country.
Certum Level III CA has issued the Open Source Developer certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
Open Source Developer Files
The following are the Open Source Developer files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 1/56 | AutoUpdate.exe |
| 7/55 | ICReinstall_IDM2-Win-EN.exe |
| 14/54 | ICReinstall_IDM2-Win-EN.exe |
| 15/55 | WindowsCodec (2).exe |
| 20/57 | WECPSetup.exe |
| 0/47 | FreeFileSync.exe |
Scanner and Detection Names
Here is the detection names for the Open Source Developer files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | InstallCore.EC4 |
| AVware | Trojan.Win32.Generic!BT |
| Agnitum | PUA.InstallCore! |
| Arcabit | Adware.A190B1A6 |
| Avira | ADWARE/InstallCore.Gen9, PUA/InstallCore.Gen9 |
| Baidu-International | Adware.Win32.InstallCore.BPY, Adware.Win32.InstallCore.BQO, Adware.Win32.InstallCore.bQO |
| Bkav | W32.HfsAdware.C023 |
| Comodo | ApplicUnwnt, Application.Win32.InstallCore.DBY |
| Cyren | W32/InstallCore.R.gen!Eldorado |
| DrWeb | Trojan.InstallCore.14 |
| ESET-NOD32 | a variant of Win32/InstallCore.PY, a variant of Win32/InstallCore.QO, a variant of Win32/InstallCore.BY potentially unwanted |
| F-Prot | W32/InstallCore.R.gen!Eldorado |
| Fortinet | Riskware/InstallCore, Riskware/Vittalia |
| K7AntiVirus | Adware ( 004b93691 ) |
| K7GW | Adware ( 004b93691 ) |
| Malwarebytes | PUP.Optional.Unizeto |
| NANO-Antivirus | Riskware.Win32.InstallCore.djeely, Riskware.Win32.InstallCore.dimzil, Riskware.Win32.InstallCore.dimzef |
| Qihoo-360 | Win32/Virus.Adware.f22 |
| SUPERAntiSpyware | PUP.InstallCore/Variant |
| Sophos | Generic PUA FP, Generic PUA CP, Generic PUA DB |
| Symantec | WS.Reputation.1 |
| Tencent | Win32.Adware.Bp-installer.Ecbm, Win32.Trojan.Gen.Dosd |
| TotalDefense | Win32/InstallCore.A!generic |
| TrendMicro-HouseCall | Suspicious_GEN.F47V1028 |
| VBA32 | Malware-Cryptor.InstallCore.gen, Downware.InstallCore |
| VIPRE | Trojan.Win32.Generic!BT |
* How the Detection Percentage is Calculated
The detection percentage is based on the fact that I've collected 378 scan results for the Open Source Developer files. 57 of these scan results 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 has been done on certificates with the following serial numbers:
- 39a416f8ffa5e48b147adbe062e63c90
- 4752a43042a85b8fdbeb6261c22b297e