Optimum Installer - 11% Detection Rate *
Did you just run into a download or a file on your computer that is digitally signed by Optimum Installer? Some of the security products refers to the detected files as ADWARE/Adware.Gen7 and not-a-virus:AdWare.Win32.iBryte.x. The detection rate for the Optimum Installer files collected here is 11%. Please read on for more details.
You will probably see Optimum Installer when double-clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:
You can view additional details from the Optimum Installer certificate with the following steps:
- Open up Windows Explorer and locate the Optimum Installer file
- Right-click on the file and select Properties
- Click the Digital Signatures tab
- Click the View Certificate button
Here is a screenshot of a file signed by Optimum Installer:
As you can see in the screenshot above, Windows reports that "This digital signature is OK". This implies that the file has been published by Optimum Installer and that no one has tampered with the file.
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 Optimum Installer, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the Optimum Installer certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
Optimum Installer Files
These are the Optimum Installer files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 8/42 | Setup(1).exe |
| 9/42 | Setup.exe |
| 7/42 | 7zip_Setup[1].exe |
| 3/44 | Setup.exe |
| 6/43 | CamStudio_Setup.exe |
Scanner and Detection Names
Here is the detection names for the Optimum Installer files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| Agnitum | Adware.Agent!2gPRwzk6CSw |
| AhnLab-V3 | Adware/Win32.IBryte |
| AntiVir | ADWARE/Adware.Gen7 |
| Avast | Win32:IBryte-U [PUP], Win32:IBryte-AJ [PUP] |
| Comodo | ApplicUnwnt.Win32.AdWare.iBryte.F, ApplicUnwnt.Win32.AdWare.iBryte.H |
| DrWeb | Trojan.Fakealert.33665 |
| ESET-NOD32 | a variant of Win32/Adware.iBryte.C, a variant of Win32/Adware.iBryte.D |
| F-Prot | W32/Ibryte.B.gen!Eldorado |
| Jiangmin | Adware/iBryte.hab, Adware/iBryte.ihz, Adware/iBryte.bx, Adware/iBryte |
| Kaspersky | not-a-virus:AdWare.Win32.iBryte.x |
| NOD32 | probably a variant of Win32/Adware.iBryte.B |
| Norman | W32/IBryte.KB |
| VIPRE | iBryte, Optimum Installer (fs) |
| nProtect | Trojan-Clicker/W32.iBryte.650336 |
* How the Detection Percentage is Calculated
The detection percentage is based on the fact that I've gathered 312 scan reports for the Optimum Installer files. 33 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 is done on certificates with the following serial numbers:
- 0809956535a889f9931bdef10ff6814a
- 7c5f27b776adbbb7943f700066a490bf