Did you just stumble upon a download or a file on your computer that has been digitally signed by CreativeToolbarSolutions.com? Some of the security products refers to the detected files as Adware-OneStep.l and ADW_ZWANGI. The detection rate for the CreativeToolbarSolutions.com files collected here is 38%. Please read on for more details.
You will typically see CreativeToolbarSolutions.com when running the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screencap shows:

You can view the digital signature details for CreativeToolbarSolutions.com with the following procedure:
Here is a screenshot of a file that has been signed by CreativeToolbarSolutions.com:

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 CreativeToolbarSolutions.com 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 view the address for CreativeToolbarSolutions.com, such as the street name, city and country.
UTN-USERFirst-Object has issued the CreativeToolbarSolutions.com certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screengrab above.
The following are the CreativeToolbarSolutions.com files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 9/47 | Mp3TubeSvc.exe |
| 24/47 | flvtubesvc.exe |
| 21/50 | FlvTubeVideoToMp3.exe |
Here is the detection names for the CreativeToolbarSolutions.com files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | OneStepSearcher.V, Generic4.COFS |
| AntiVir | Adware/Zwangi.cea.12, Adware/Zwangi.cea.13 |
| Avast | Win32:PUP-gen [PUP], Win32:Malware-gen |
| Baidu-International | AdWare.Win32.FlvTube.aCWO |
| Bkav | W32.Clodcf6.Trojan.8c45, W32.Clodf73.Trojan.641d |
| CMC | AdWare.Win32.FlvTube!O |
| ClamAV | Win.Adware.Zwangi-2692, Adware.Zwangi-29 |
| Comodo | ApplicUnwnt.Win32.AdWare.Agent.~AM, ApplicUnwnt.Win32.AdWare.Agent.~AL |
| DrWeb | Adware.FlvPlayer.1, Adware.FlvPlayer.3 |
| Fortinet | Adware/OneStep, Adware/Zwangi |
| GData | Win32.Trojan.Agent.QQJOQE |
| Ikarus | not-a-virus:AdWare.Win32.FlvTube |
| Jiangmin | Adware/Zwangi.bx, AdWare/FlvTube.u |
| Kaspersky | not-a-virus:AdWare.Win32.FlvTube.bi |
| Kingsoft | Win32.Troj.Generic.a.(kcloud) |
| Malwarebytes | Adware.Mp3Tube, PUP.Optional.Zwangi, Adware.FlvTube |
| McAfee | Adware-OneStep.l |
| McAfee-GW-Edition | Adware-OneStep.l |
| NANO-Antivirus | Riskware.Win32.Zwangi.cmoft, Riskware.Win32.FlvTube.cozrg |
| Symantec | Trojan.ADH.2 |
| TrendMicro | ADW_ZWANGI |
| TrendMicro-HouseCall | TROJ_GEN.F47V0403, ADW_ZWANGI |
| VBA32 | suspected of Trojan.Downloader.gen.h, AdWare.Zwangi |
| VIPRE | FLVTube |
| nProtect | Trojan-Clicker/W32.Zwangi.255240, Trojan-Clicker/W32.Agent.194824 |
The detection percentage is based on that I have gathered 144 scan results for the CreativeToolbarSolutions.com files. 54 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.
The analysis is based on certificates with the following serial numbers: