Did you just run into a download or a file on your computer that has been digitally signed by Installmatic, LLC? Some of the security products refers to the detected files as Gen:Variant.Adware.PopDeals.1 and Adware ( 004c2cfd1 ). The detection rate for the Installmatic, LLC files collected here is 15%. Please read on for more details.
You will probably see Installmatic, LLC 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 digital signature details for Installmatic, LLC with the following steps:
Here's a screenshot of a file signed by Installmatic, LLC:

As you can see in the screencap above, Windows states that "This digital signature is OK". This implies that the file has been published by Installmatic, LLC and that the file has not been tampered with.
If you click the View Certificate button shown in the screenshot above, you can see 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 Installmatic, LLC, such as the street name, city and country.
COMODO Code Signing CA 2 and COMODO RSA Code Signing CA has issued the Installmatic, LLC certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the Installmatic, LLC files I have gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 9/55 | PopDeals.exe |
| 3/56 | PopDeals.exe |
| 13/57 | popservice.exe |
Here's the detection names for the Installmatic, LLC files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| ALYac | Gen:Variant.Adware.PopDeals.1 |
| AVG | Generic.36C, DealApp.396 |
| Ad-Aware | Gen:Variant.Adware.PopDeals.1 |
| Baidu-International | Adware.MSIL.Popdeals.G |
| BitDefender | Gen:Variant.Adware.PopDeals.1 |
| Bkav | W32.HfsAdware.1502 |
| DrWeb | Adware.Shopper.930 |
| ESET-NOD32 | a variant of MSIL/Adware.Popdeals.A, a variant of MSIL/Adware.Popdeals.G |
| Emsisoft | Gen:Variant.Adware.PopDeals.1 (B) |
| F-Secure | Gen:Variant.Adware.PopDeals.1 |
| Fortinet | Adware/Popdeals |
| GData | Gen:Variant.Adware.PopDeals.1 |
| Ikarus | AdWare.MSIL.Popdeals |
| K7AntiVirus | Adware ( 004c2cfd1 ) |
| K7GW | Adware ( 004c2cfd1 ) |
| Kaspersky | Trojan.MSIL.Agent.aadey |
| Malwarebytes | PUP.Optional.PopDeals |
| McAfee | Artemis!6C21D8E4E755 |
| McAfee-GW-Edition | Artemis |
| MicroWorld-eScan | Gen:Variant.Adware.PopDeals.1 |
| Panda | Generic Suspicious |
| Qihoo-360 | HEUR/QVM03.0.Malware.Gen |
The detection percentage is based on that I've collected 168 scan results for the Installmatic, LLC files. 25 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: