Did you just stumble upon a download or a file on your computer that is digitally signed by productivitypro? Some of the security products refers to the detected files as Gen:Variant.Adware.BHO.Agent.4 and BrowseFox.F. The detection rate for the productivitypro files collected here is 26%. Please read on for more details.
You will typically notice productivitypro when clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view the additional details from the productivitypro digital signature with the following steps:
Here is a screenshot of a file that has been signed by productivitypro:

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 productivitypro 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 see the address for productivitypro, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the productivitypro certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the productivitypro files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 14/53 | productivityprobho.dll |
Here is the detection names for the productivitypro files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | BrowseFox.F |
| Ad-Aware | Gen:Variant.Adware.BHO.Agent.4 |
| AntiVir | APPL/BrowseFox.Gen2 |
| BitDefender | Gen:Variant.Adware.BHO.Agent.4 |
| Comodo | Application.Win32.Altbrowse.AK |
| ESET-NOD32 | a variant of Win32/BrowseFox.F |
| Emsisoft | Gen:Variant.Adware.BHO.Agent.4 (B) |
| F-Secure | Gen:Variant.Adware.BHO.Agent.4 |
| GData | Gen:Variant.Adware.BHO.Agent.4 |
| Kaspersky | not-a-virus:AdWare.Win32.Agent.ahbx |
| Malwarebytes | PUP.Optional.ProductivityPro.A |
| MicroWorld-eScan | Gen:Variant.Adware.BHO.Agent.4 |
| SUPERAntiSpyware | Adware.BrowseFox/Variant |
| VIPRE | Yontoo (fs) |
The detection percentage is based on that I have collected 53 scan results for the productivitypro files. 14 of these scan results came up with some sort of detection. You can review the full details of the scan results by examining the files listed above.
The analysis has been done on certificates with the following serial numbers: