QuestBrowse.com - 70% Detection Rate *
Did you just find a download or a file on your computer that has a digital signature from QuestBrowse.com? Some of the security products refers to the detected files as Gen:Variant.Adware.Zwangi.2 and Adware-OneStep.l. The detection rate for the QuestBrowse.com files collected here is 70%. Please read on for more details.
You will typically notice QuestBrowse.com 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 also view the QuestBrowse.com certificate with the following procedure:
- Open up Windows Explorer and locate the QuestBrowse.com file
- Right-click the file and select Properties
- Click the Digital Signatures tab
- Click the View Certificate button
Here's a screenshot of a file that has been digitally signed by QuestBrowse.com:
As you can see in the screenshot above, Windows states that "This digital signature is OK". This implies that the file has been published by QuestBrowse.com and that the file has not been tampered with.
If you click the View Certificate button shown in the screengrab 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 see the address for QuestBrowse.com, such as the street name, city and country.
UTN-USERFirst-Object has issued the QuestBrowse.com certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.
QuestBrowse.com Files
These are the QuestBrowse.com files I've collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 32/46 | questbrowse125.exe |
Scanner and Detection Names
Here's the detection names for the QuestBrowse.com files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | OneStepSearcher.D |
| Agnitum | Adware.OneStep!F5aAutrIYyE |
| AhnLab-V3 | Trojan/Win32.Suspicious |
| AntiVir | ADSPY/AdSpy.Gen2 |
| Avast | Win32:Zwangi-P [PUP] |
| BitDefender | Gen:Variant.Adware.Zwangi.2 |
| Comodo | ApplicUnwnt.Win32.AdWare.OneStep.T |
| DrWeb | Trojan.Searcher.932 |
| ESET-NOD32 | a variant of Win32/Adware.OneStep.T |
| Emsisoft | Gen:Variant.Adware.Zwangi.2 (B) |
| F-Secure | Gen:Variant.Adware.Zwangi.2 |
| Fortinet | Adware/OneStep |
| GData | Gen:Variant.Adware.Zwangi.2 |
| Ikarus | Gen.Variant.AdWare.Zwangi |
| Jiangmin | Adware/Zwangi.gxa |
| K7AntiVirus | Riskware |
| Kingsoft | Win32.Troj.OneStep.re.(kcloud) |
| Malwarebytes | Adware.Agent.ZGen |
| McAfee | Adware-OneStep.l |
| McAfee-GW-Edition | Adware-OneStep.l |
| MicroWorld-eScan | Gen:Variant.Adware.Zwangi.2 |
| Microsoft | BrowserModifier:Win32/Zwangi |
| Norman | W32/Suspicious_Gen2.HUVXI |
| PCTools | Adware.Zwunzi |
| Panda | Generic Trojan |
| Rising | Trojan.Win32.Generic.12713B8C |
| SUPERAntiSpyware | Adware.Zwangi |
| Sophos | Zwangi |
| Symantec | Trojan.ADH.2 |
| TrendMicro | TROJ_SPNR.0FJ511 |
| TrendMicro-HouseCall | TROJ_SPNR.0FJ511 |
| VIPRE | Onestepsearch |
* How the Detection Percentage is Calculated
The detection percentage is based on that I've gathered 46 scan results for the QuestBrowse.com files. 32 of these scan reports came up with some sort of detection. If you like, you can view the full details of the scan results by examining the files listed above.
Analysis Details
The analysis is based on certificates with the following serial numbers:
- 00e4373d3806c6a390387cd443caff15a0