Did you just run into a download or a file on your computer that is digitally signed by GREYSTONE VENTURES LP? Some of the security products refers to the detected files as WS.Reputation.1 and PUA.Win32.GigaClicks.AK. The detection rate for the GREYSTONE VENTURES LP files collected here is 10%. Please read on for more details.
You will probably notice GREYSTONE VENTURES LP 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 GREYSTONE VENTURES LP with the following steps:
Here is a screengrab of a file signed by GREYSTONE VENTURES LP:

As you can see in the screencap above, Windows reports that "This digital signature is OK". This implies that the file has been published by GREYSTONE VENTURES LP 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, and so on. You can also view the address for GREYSTONE VENTURES LP, such as the street name, city and country.
COMODO RSA Code Signing CA has issued the GREYSTONE VENTURES LP certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.
These are the GREYSTONE VENTURES LP files I've gathered, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 1/56 | Navigate.exe |
| 2/57 | Runner.exe |
| 9/57 | Runner.exe |
| 13/56 | Runner.exe |
| 2/54 | ManXec.dll |
| 2/56 | Runner.exe |
| 5/55 | CmnUtls.dll |
| 14/56 | CmnUtls.dll |
| 14/57 | Runner.exe |
| 5/57 | CmdProc.dll |
| 6/56 | WblSupp.dll |
| 6/56 | PrfIns.dll |
| 5/56 | WbSes.dll |
| 1/55 | WdcMan.dll |
| 5/54 | InSes.dll |
| 3/54 | CmlProc.dll |
| 5/57 | ManXec.dll |
| 12/57 | InSes.dll |
| 10/57 | cdp.dll |
| 0/56 | Navigate.exe |
Here is the detection names for the GREYSTONE VENTURES LP files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| ALYac | Adware.Agent.PWQ |
| AVG | AdClicker.AE, AdClicker.Z |
| AVware | Trojan.Win32.Generic!BT |
| Ad-Aware | Adware.Agent.PWQ |
| Arcabit | Adware.Agent.PWQ |
| Avast | Win32:Malware-gen |
| Avira | TR/Agent.342616.2, ADWARE/Agent.39512, ADWARE/GigaClicks.37984, TR/Agent.93280 |
| Baidu-International | PUA.Win32.GigaClicks.AK, PUA.Win32.GigaClicks.GRVE |
| BitDefender | Adware.Agent.PWQ |
| Bkav | W32.HfsAdware.2C34 |
| DrWeb | Trojan.Click3.12319 |
| ESET-NOD32 | a variant of Win32/GigaClicks.AK potentially unwanted, Win32/GigaClicks.AK potentially unwanted, a variant of Win32/GigaClicks.AQ potentially unwanted |
| Emsisoft | Adware.Agent.PWQ (B) |
| F-Secure | Adware.Agent.PWQ |
| Fortinet | Riskware/GigaClicks |
| GData | Adware.Agent.PWQ |
| Ikarus | Trojan.Agent |
| K7AntiVirus | Adware ( 004bc5b81 ), Adware ( 004c4e7b1 ) |
| K7GW | Adware ( 004bc5b81 ), Adware ( 004c4e7b1 ) |
| McAfee | Artemis!CDDA1F88EC6C, Artemis!D7E438E68119, Artemis!E656FDE1CDE1 |
| McAfee-GW-Edition | Artemis |
| MicroWorld-eScan | Adware.Agent.PWQ |
| Panda | Trj/Genetic.gen |
| Qihoo-360 | HEUR/QVM10.1.Malware.Gen, Win32/Virus.Adware.a42, HEUR/QVM30.1.Malware.Gen |
| SUPERAntiSpyware | Trojan.Agent/Gen-Zbot, Trojan.Agent/Gen-Renos, Trojan.Agent/Gen-VBKrypt, Trojan.Agent/Generic, Adware.GigaCick/Variant, Trojan.Agent/Gen-Kryptik |
| Symantec | WS.Reputation.1 |
| TrendMicro-HouseCall | Suspicious_GEN.F47V0604, Suspicious_GEN.F47V0506 |
| VIPRE | Trojan.Win32.Generic!BT |
| nProtect | Adware.Agent.PWQ |
The detection percentage is based on that I have collected 1176 scan reports for the GREYSTONE VENTURES LP files. 120 of these scan reports came up with some sort of detection. If you like, you can review the full details of the scan results by examining the files listed above.
The analysis is based on certificates with the following serial numbers: