Numlock Apps - 21% Detection Rate *
Did you just run into a download or a file on your computer that has a digital signature from Numlock Apps? Some of the security products refers to the detected files as Crossrider (fs) and not-a-virus:AdWare.NSIS.Adwapper.ce. The detection rate for the Numlock Apps files collected here is 21%. Please read on for more details.
You will typically see Numlock Apps 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 Numlock Apps with the following procedure:
- Open up Windows Explorer and locate the Numlock Apps file
- Right-click on the file and select Properties
- Click on the Digital Signatures tab
- Click on the View Certificate button
Here's a screenshot of a file signed by Numlock Apps:
As you can see in the screenshot above, Windows states that "This digital signature is OK". This means that the file has been published by Numlock Apps 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 examine the address for Numlock Apps, such as the street name, city and country.
COMODO Code Signing CA 2 has issued the Numlock Apps certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screengrab above.
Numlock Apps Files
These are the Numlock Apps files I have collected, thanks to the FreeFixer users.
| Detection Ratio | File Name |
|---|---|
| 5/54 | BrowsersApp_Pro_v1.1-bho64.dll |
| 9/55 | Browsers+Apps+1.1-bho.dll |
| 17/54 | PVDE.exe |
| 6/54 | BrowsersApp_Pro_v1.1-bho.dll |
| 20/54 | ZKFBPMMY.exe |
| 14/54 | QQPK.exe |
| 7/54 | BrowsersApp_Pro_v1.1-bho64.dll |
| 13/54 | 311f2860-4350-431c-ba71-5294dd07f9ed.exe |
Scanner and Detection Names
Here is the detection names for the Numlock Apps files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.
| Scanner | Detection Names |
|---|---|
| AVG | Generic.88A |
| AVware | Crossrider (fs) |
| Ad-Aware | Gen:Variant.Adware.Kazy.433849, Gen:Variant.Adware.Plush.1 |
| AhnLab-V3 | PUP/Win32.CrossRider |
| Antiy-AVL | GrayWare[AdWare:not-a-virus]/NSIS.Adwapper |
| Avira | ADWARE/CrossRider.Gen7, ADWARE/CrossRider.Gen2 |
| Baidu-International | PUA.Win32.CrossRider.BBA, PUA.Win32.CrossRider.BAX, PUA.Win32.CrossRider.bAX, Adware.NSIS.Adwapper.ASv, PUA.Win32.CrossRider.bAS |
| BitDefender | Gen:Variant.Adware.Kazy.433849, Gen:Variant.Adware.Plush.1 |
| DrWeb | DLOADER.Trojan |
| ESET-NOD32 | a variant of Win64/Toolbar.Crossrider.J, a variant of Win32/Toolbar.CrossRider.BA, a variant of Win32/Toolbar.CrossRider.AX, a variant of Win32/Toolbar.CrossRider.AS |
| Emsisoft | Gen:Variant.Adware.Kazy.433849 (B), Gen:Variant.Adware.Plush.1 (B) |
| F-Prot | W32/A-f9ceb6aa!Eldorado |
| F-Secure | Gen:Variant.Adware.Kazy.433849, Gen:Variant.Adware.Plush.1 |
| Fortinet | Adware/Adwapper, Riskware/CrossRider |
| GData | Gen:Variant.Adware.Kazy.433849, Gen:Variant.Adware.Plush.1 |
| Ikarus | PUA.Toolbar.CrossRider |
| Kaspersky | not-a-virus:AdWare.NSIS.Adwapper.ce |
| Malwarebytes | PUP.Optional.BrowserApp.A, PUP.Optional.BrowsersApp.A, PUP.Optional.videosMediaPlayers.A |
| McAfee | CrossRider-FRV, Artemis!6B2530A0EF4E, Artemis!F5B43DAF5F04 |
| McAfee-GW-Edition | BehavesLike.Win32.Dropper.th, BehavesLike.Win32.BadFile.th |
| MicroWorld-eScan | Gen:Variant.Adware.Kazy.433849, Gen:Variant.Adware.Plush.1 |
| Qihoo-360 | Win32/Virus.Adware.a87, HEUR/QVM03.0.Malware.Gen |
| Rising | PE:Malware.Obscure!1.9C59 |
| Sophos | Generic PUA PB, Generic PUA DH |
| Symantec | WS.Reputation.1 |
| Tencent | Nsis.Adware.Adwapper.Wopx, Nsis.Adware.Adwapper.Eegy, Nsis.Adware.Adwapper.Edxs |
| VBA32 | AdWare.Adwapper |
| VIPRE | Crossrider (fs) |
* How the Detection Percentage is Calculated
The detection percentage is based on that I have collected 433 scan results for the Numlock Apps files. 91 of these scan reports came up with some sort of detection. You can review the full details of the scan results by examining the files listed above.
Analysis Details
The analysis has been done on certificates with the following serial numbers:
- 34e54c953ced93ca3918ef9b1b0a8f93