Blue Bulletin - 49% Detection Rate *

Did you just run into a download or a file on your computer that is digitally signed by Blue Bulletin? Some of the security products refers to the detected files as Adware.SwiftBrowse.CH and Trojan.Win32.Generic!BT. The detection rate for the Blue Bulletin files collected here is 49%. Please read on for more details.

You will probably notice Blue Bulletin 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 Blue Bulletin appears as the verified publisher in the UAC dialog

You can also view the Blue Bulletin certificate with the following steps:

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

Here's a screenshot of a file digitally signed by Blue Bulletin:

Screenshot of the Blue Bulletin certificate

As you can see in the screencap above, Windows reports that "This digital signature is OK". This implies that the file has been published by Blue Bulletin 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 view the address for Blue Bulletin, such as the street name, city and country.

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

Blue Bulletin Files

These are the Blue Bulletin files I've collected, thanks to the FreeFixer users.

Detection RatioFile Name
27/56{04cbd69d-8bfe-4f17-8811-c172dbc67a8b}gw64.sys
27/56{de23c9ad-1ac1-4eb4-8cd5-dc902206974a}gw64.sys
26/56{7d900b28-8547-42a8-b962-e2bc304f88e1}gw64.sys
25/56{814076f7-4877-47f4-9556-67481e90cff1}gw64.sys
31/56{814076f7-4877-47f4-9556-67481e90cff1}gw64.sys
24/56{699bd245-8d10-4e76-8ffa-df6cfdf0e2bc}gw64.sys
26/55{0217dc10-b109-478b-809a-bb6980614760}gw64.sys
14/56{92bcf460-f3fc-4c73-8f63-31a272ed861d}w64.sys

Scanner and Detection Names

Here is the detection names for the Blue Bulletin files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.

ScannerDetection Names
ALYacAdware.SwiftBrowse.CH
AVGAdPlugin.DAI
AVwareTrojan.Win32.Generic!BT
Ad-AwareAdware.SwiftBrowse.CH
AgnitumRiskware.Agent!
AhnLab-V3PUP/Win32.SwiftBrowse
Antiy-AVLGrayWare[NetTool:not-a-virus]/Win64.NetFilter.a
ArcabitAdware.SwiftBrowse.CH
Baidu-InternationalAdware.Win32.BrowseFox.SaCl
BitDefenderAdware.SwiftBrowse.CH
BkavW64.HfsAdware.729E
ClamAVWin.Adware.Swiftbrowse-497
CyrenW64/A-59c9c70a!Eldorado
DrWebTrojan.Yontoo.2127
ESET-NOD32a variant of Win64/NetFilter.A potentially unsafe
EmsisoftAdware.SwiftBrowse.CH (B)
F-ProtW64/A-59c9c70a!Eldorado
F-SecureAdware.SwiftBrowse.CH
FortinetRiskware/NetFilter
GDataAdware.SwiftBrowse.CH
K7AntiVirusAdware ( 0040f9f21 )
K7GWAdware ( 0040f9f21 )
Kasperskynot-a-virus:NetTool.Win64.NetFilter.k
McAfeeArtemis!EC1B00CCED96
McAfee-GW-EditionBehavesLike.Win64.PUPAmonetize.ph
MicroWorld-eScanAdware.SwiftBrowse.CH
PandaGeneric Suspicious
Qihoo-360Win32/Virus.NetTool.094
SUPERAntiSpywareAdware.SwiftBrowse/Variant
TencentWin64.Adware.Bp-sys.Zuxl
VIPRETrojan.Win32.Generic!BT
ZillyaAdware.Yotoon.Win64.14
nProtectTrojan-Clicker/W32.Yotoon.48784

* How the Detection Percentage is Calculated

The detection percentage is based on the fact that I've collected 841 scan reports for the Blue Bulletin files. 413 of these scan results came up with some sort of detection. If you like, you can view the full details of the scan reports by examining the files listed above.

Analysis Details

The analysis is based on certificates with the following serial numbers:

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