Via Advertising Group Limited - 9% Detection Rate *

Did you just find a download or a file on your computer that is digitally signed by Via Advertising Group Limited? Some of the security products refers to the detected files as a variant of Win32/YourFileDownloader.B and Win32:Downloader-UGW [PUP]. The detection rate for the Via Advertising Group Limited files collected here is 9%. Please read on for more details.

You will typically notice Via Advertising Group Limited when running the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

Screenshot where Via Advertising Group Limited appears as the verified publisher in the UAC dialog

You can view the additional details from the Via Advertising Group Limited digital signature with the following procedure:

  1. Open Windows Explorer and locate the Via Advertising Group Limited file
  2. Right-click the file and select Properties
  3. Click the Digital Signatures tab
  4. Click the View Certificate button

Here is a screencap of a file signed by Via Advertising Group Limited:

Screenshot of the Via Advertising Group Limited certificate

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 Via Advertising Group Limited and that no one has tampered with the file.

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 view the address for Via Advertising Group Limited, such as the street name, city and country.

VeriSign Class 3 Code Signing 2010 CA and COMODO Code Signing CA 2 has issued the Via Advertising Group Limited certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.

Via Advertising Group Limited Files

The following are the Via Advertising Group Limited files I have collected, thanks to the FreeFixer users.

Detection RatioFile Name
3/47YourFileUpdater.exe
2/48YourFile.exe
4/47YourFileUpdater.exe
3/51YourFileUpdater.exe
7/55YourFileDownloaderUpdater.exe
6/46YourFileUpdater.exe
4/47YourFileUpdater.exe
7/49YourFileUpdater.exe
2/46YourFile.exe
5/47Downloader.exe
3/51YourFile.exe

Scanner and Detection Names

Here is the detection names for the Via Advertising Group Limited files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.

ScannerDetection Names
AVwareVia Advertising (fs)
AgnitumTrojan.ZPACK!U0aCyUmTMWE
AvastWin32:Downloader-UGW [PUP], Win32:Downloader-UEO [PUP]
Baidu-InternationalPUA.Win32.ExpressDownloader.bI, Adware.Win32.YourFileDownloader.bB
CMCPacked.Win32.TDSS.1!O
ESET-NOD32a variant of Win32/YourFileDownloader.B
GDataWin32.Application.ExpressDownloader.C
K7AntiVirusRiskware
KingsoftWin32.Troj.Generic.a.(kcloud), Win32.Troj.Agent.(kcloud)
McAfeeArtemis!6CCE67E936DF
McAfee-GW-EditionArtemis!6CCE67E936DF
TrendMicro-HouseCallSuspicious_GEN.F47V0628, TROJ_GEN.F47V0110
VBA32Worm.Runouce
VIPREVia Advertising (fs)
ViRobotTrojan.Win32.A.Agent.245168
nProtectTrojan/W32.Agent.245168.B

* How the Detection Percentage is Calculated

The detection percentage is based on the fact that I've collected 534 scan results for the Via Advertising Group Limited files. 46 of these scan results 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 is done on certificates with the following serial numbers:

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