Norpalla - 16% Detection Rate *
Did you just find a download or a file on your computer that is digitally signed by Norpalla? Some of the security products refers to the detected files as Norpalla.131 and Adware.SwiftBrowse.CH. The detection rate for the Norpalla files collected here is 16%. Please read on for more details.
You will typically see Norpalla when running the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:
You can view the additional details from the Norpalla digital signature with the following steps:
- Open up Windows Explorer and locate the Norpalla file
- Right-click the file and select Properties
- Click the Digital Signatures tab
- Click on the View Certificate button
Here is a screenshot of a file that has been signed by Norpalla:
As you can see in the screenshot above, the Windows OS states that "This digital signature is OK". This implies that the file has been published by Norpalla and that the file has not been tampered with.
If you click the View Certificate button shown in the screenshot above, you can view 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 see the address for Norpalla, such as the street name, city and country.
VeriSign Class 3 Code Signing 2010 CA has issued the Norpalla certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screengrab above.
Norpalla Files
The following are the Norpalla files I have gathered, thanks to the FreeFixer users.
Scanner and Detection Names
Here's the detection names for the Norpalla files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| ALYac | Adware.SwiftBrowse.CH, Adware.SwiftBrowse.BV |
| AVG | Norpalla.131, BrowseFox.F, Generic_r.KI, Generic_r.KF |
| AVware | Trojan.Win32.Generic!BT, Yontoo (fs) |
| Ad-Aware | Gen:Variant.Adware.BHO.Agent.4, Gen:Variant.Adware.SwiftBrowse.1, Adware.SwiftBrowse.CH, Adware.SwiftBrowse.BV |
| Agnitum | Riskware.Agent!, PUA.Agent!, Riskware.NetFilter! |
| AhnLab-V3 | Trojan/Win64.SwiftBrowse |
| AntiVir | APPL/BrowseFox.Gen2 |
| Antiy-AVL | Trojan/Win32.TSGeneric, GrayWare[AdWare:not-a-virus]/Win32.Agent |
| Avast | Win32:Amonetize-GP [PUP] |
| Avira | Adware/BrowseFox.aov |
| Baidu-International | Adware.Win32.BrowseFox.BG, Adware.Win32.BrowseFox.BH, Adware.Win32.BrowseFox.71, Adware.Win32.BrowseFox.bH |
| BitDefender | Gen:Variant.Adware.BHO.Agent.4, Gen:Variant.Adware.SwiftBrowse.1, Adware.SwiftBrowse.CH, Adware.SwiftBrowse.BV |
| ClamAV | Win.Adware.Swiftbrowse-8, Win.Adware.Swiftbrowse-497, Win.Adware.Swiftbrowse-284 |
| Comodo | Application.Win32.Altbrowse.AK |
| DrWeb | Trojan.BPlug.28, Trojan.BPlug.100, Trojan.BPlug.46, Trojan.BPlug.117, Tool.NetFilter.313, Tool.NetFilter.1 |
| ESET-NOD32 | a variant of Win32/BrowseFox.H, a variant of Win32/BrowseFox.F, a variant of Win32/BrowseFox.J, a variant of Win32/BrowseFox.I, a variant of MSIL/BrowseFox.H, a variant of Win64/BrowseFox.AM |
| Emsisoft | Gen:Variant.Adware.BHO.Agent.4 (B), Gen:Variant.Adware.SwiftBrowse.1 (B) |
| F-Prot | W64/A-59c9c70a!Eldorado, W64/A-abca7297!Eldorado |
| F-Secure | Gen:Variant.Adware.BHO.Agent.4, Gen:Variant.Adware.SwiftBrowse.1, Adware.SwiftBrowse.CH, Adware.SwiftBrowse.BV |
| GData | Gen:Variant.Adware.BHO.Agent.4, Gen:Variant.Adware.SwiftBrowse.1, Adware.SwiftBrowse.CH, Adware.SwiftBrowse.BV |
| Ikarus | AdWare.SpadeCast, AdWare.SwiftBrowse, PUA.Elex |
| Jiangmin | Adware/Agent.izz, Adware/Agent.knt |
| Kaspersky | not-a-virus:AdWare.Win32.Agent.ahbx |
| Kingsoft | Win32.Troj.Agent.ah.(kcloud) |
| Malwarebytes | PUP.Optional.Norpalla.A |
| McAfee | RDN/Generic.dx!dcx, Artemis!D732C6CB7798, Artemis!D0F6ED31DA02, Artemis!66A8DEAD9856 |
| McAfee-GW-Edition | RDN/Generic.dx!dcx, Heuristic.LooksLike.Win32.Suspicious.I, Artemis!D732C6CB7798, Artemis!D0F6ED31DA02, Artemis!66A8DEAD9856 |
| MicroWorld-eScan | Gen:Variant.Adware.BHO.Agent.4, Gen:Variant.Adware.SwiftBrowse.1, Adware.SwiftBrowse.CH, Adware.SwiftBrowse.BV |
| NANO-Antivirus | Riskware.Win32.Agent.cuenda |
| Qihoo-360 | Win32/Virus.Adware.8e4 |
| SUPERAntiSpyware | Adware.BrowseFox/Variant |
| Sophos | BrowseSmart, Browse Fox |
| TrendMicro-HouseCall | Suspicious_GEN.F47V0715, Suspicious_GEN.F47V0720, Suspicious_GEN.F47V0710 |
| VIPRE | Trojan.Win32.Generic!BT, Yontoo (fs), Adware.Agent |
| Zillya | Backdoor.PePatch.Win32.38232, Adware.Yotoon.Win64.14, Adware.Yotoon.Win64.13 |
| nProtect | Adware.SwiftBrowse.CH, Adware.SwiftBrowse.BV |
* How the Detection Percentage is Calculated
The detection percentage is based on that I have collected 1015 scan reports for the Norpalla files. 165 of these scan results 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.
Analysis Details
The analysis is done on certificates with the following serial numbers:
- 3cf8fdc7b1329843a9d5ee18cbb6a945