Rock Turner - 12% Detection Rate *

Did you just stumble upon a download or a file on your computer that has been digitally signed by Rock Turner? Some of the security products refers to the detected files as BrowseSmart and Rocktur.F12. The detection rate for the Rock Turner files collected here is 12%. Please read on for more details.

You'll typically see Rock Turner when double-clicking to run the file. The publisher name is displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

Screenshot where Rock Turner appears as the verified publisher in the UAC dialog

You can also view the Rock Turner certificate with the following procedure:

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

Here is a screenshot of a file digitally signed by Rock Turner:

Screenshot of the Rock Turner 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 Rock Turner 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 view the address for Rock Turner, such as the street name, city and country.

VeriSign Class 3 Code Signing 2010 CA has issued the Rock Turner certificates. You can also see the details of the issuer by clicking the View Certificate button shown in the screenshot above.

Rock Turner Files

The following are the Rock Turner files I've collected, thanks to the FreeFixer users.

Detection RatioFile Name
2/52{8ce1c375-1e13-43f7-a4fd-6530f47c4fde}gt.sys
12/54{8ce1c375-1e13-43f7-a4fd-6530f47c4fde}gw64.sys
1/53{8ce1c375-1e13-43f7-a4fd-6530f47c4fde}w.sys
8/53{825c5be7-672f-4c14-9929-48a3a5e1a660}w64.sys
8/53{8ce1c375-1e13-43f7-a4fd-6530f47c4fde}w64.sys

Scanner and Detection Names

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

ScannerDetection Names
AVGRocktur.F12
AVwareTrojan.Win32.Generic!BT
AgnitumTrojan.BPlug!
Antiy-AVLTrojan/Win32.TSGeneric
Baidu-InternationalAdware.Win32.BrowseFox.bI
DrWebTrojan.BPlug.123
IkarusAdWare.SwiftBrowse, AdWare.SpadeCast
JiangminAdWare/Yotoon.m
McAfeeArtemis!FF39BAD37247, Artemis!1E58F1A64AE5, Artemis!15E1A091E907
McAfee-GW-EditionArtemis!1E58F1A64AE5, Artemis!15E1A091E907
SophosBrowseSmart
TrendMicro-HouseCallTROJ_GEN.F47V0529, Suspicious_GEN.F47V0703, Suspicious_GEN.F47V0621
VIPRETrojan.Win32.Generic!BT

* How the Detection Percentage is Calculated

The detection percentage is based on the fact that I have gathered 265 scan reports for the Rock Turner files. 31 of these scan reports 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:

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