Shielded Install - 39% Detection Rate *

Did you just stumble upon a download or a file on your computer that has been digitally signed by Shielded Install? Some of the security products refers to the detected files as Gen:Variant.Razy.29531 and Trojan.Win32.Generic!BT. The detection rate for the Shielded Install files collected here is 39%. Please read on for more details.

You will typically see Shielded Install when clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

Screenshot where Shielded Install appears as the verified publisher in the UAC dialog

You can view the digital signature details for Shielded Install with the following procedure:

  1. Open Windows Explorer and locate the Shielded Install file
  2. Right-click the file and select Properties
  3. Click the Digital Signatures tab
  4. Click on the View Certificate button

Here's a screenshot of a file digitally signed by Shielded Install:

Screenshot of the Shielded Install certificate

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 Shielded Install and that no one has tampered with the file.

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 see the address for Shielded Install, such as the street name, city and country.

Go Daddy Secure Certificate Authority - G2 has issued the Shielded Install certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.

Shielded Install Files

These are the Shielded Install files I've gathered, thanks to the FreeFixer users.

Detection RatioFile Name
22/57setup-37543341.exe

Scanner and Detection Names

Here's the detection names for the Shielded Install files. I have grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.

ScannerDetection Names
ALYacGen:Variant.Razy.29531
AVGDownloader.Generic14.ANXA
AVwareTrojan.Win32.Generic!BT
Ad-AwareGen:Variant.Razy.29531
AegisLabPossible.Virus.Gen!c
AgnitumTrojan.DL.Adload!SPWn+asaTww
ArcabitTrojan.Razy.D735B
AviraTR/Taranis.2694
BitDefenderGen:Variant.Razy.29531
ComodoUnclassifiedMalware
ESET-NOD32a variant of Win32/TrojanDownloader.Adload.NQO
F-SecureGen:Variant.Razy.29531
GDataGen:Variant.Razy.29531
IkarusTrojan-Downloader.Win32.Adload
JiangminDownloader.DownloAdmin.r
McAfeeArtemis!BCCE2B4A3BB2
McAfee-GW-EditionArtemis!Trojan
MicroWorld-eScanGen:Variant.Razy.29531
NANO-AntivirusTrojan.Win32.Vittalia.eawpur
TrendMicroPossible_Virus
VIPRETrojan.Win32.Generic!BT
ZillyaDownloader.Adload.Win32.34885

* How the Detection Percentage is Calculated

The detection percentage is based on the fact that I have collected 57 scan results for the Shielded Install files. 22 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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