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Conduit Ltd. - 8% Detection Rate *

Did you just run into a download or a file on your computer that has a digital signature from Conduit Ltd.? Some of the security products refers to the detected files as PUP.Optional.Conduit.A and PUP/Conduit.A. The detection rate for the Conduit Ltd. files collected here is 8%. Please read on for more details.

You'll typically notice Conduit Ltd. when double-clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screencap shows:

Screenshot where Conduit Ltd. appears as the verified publisher in the UAC dialog

You can also view the Conduit Ltd. certificate with the following steps:

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

Here's a screengrab of a file signed by Conduit Ltd.:

Screenshot of the Conduit Ltd. certificate

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This implies that the file has been published by Conduit Ltd. 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, etc. You can also examine the address for Conduit Ltd., such as the street name, city and country.

VeriSign Class 3 Code Signing 2010 CA, VeriSign Class 3 Code Signing 2009-2 CA and VeriSign Class 3 Code Signing 2004 CA has issued the Conduit Ltd. certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.

Conduit Ltd. Files

These are the Conduit Ltd. files I've gathered, thanks to the FreeFixer users.

Detection RatioFile Name
1/44BackgroundContainer.dll
1/47TBHostSupport.dll
1/48TBVerifier.dll
1/46TBMessagingHost.exe
2/51prxConduitEngin0.dll
1/47prxtbapp0.dll
1/47TBUpdaterLogic_1.0.0.2.dll
2/46cltmng.exe
1/47webapphost.dll
2/48APISupport.dll
7/50SPVC32Loader.dll
1/47prxtbapp0.dll
4/49SPTool.dll
1/47prxtbAns2.dll
1/46prxConduitEngin.dll
6/47cltmng.exe
2/51A0017600.dll
1/47tb4sh0.dll
4/55tbBes1.dll
2/48tbBaby.dll
6/50SPVC32Loader.dll
10/47cltmng.exe
1/46prxtbappb.dll
1/46ValueApps.exe
1/47TBUpdaterLogic_1.0.0.1.dll
4/47air3C9C.exe
1/49TBHostSupport_0.dll
3/50ToolbarService.exe
10/51SPVC32Loader.dll
1/45TBHostSupport.dll
6/48SPVC32Loader.dll
6/48SPVC64Loader.dll
1/44GLF37.tmp.tbMess.dll
1/48prxtbBS_P.dll
1/48prxtbBro2.dll
10/48SPVC64Loader.dll
10/51SPVC32Loader.dll
1/47prxtbappb.dll
1/47SPVC32Loader.dll
1/45PluginsWhiteListing.dll
1/47TBHostSupport.dll
4/47statisticsStub.exe
5/50SPVC32Loader.dll
5/46CltMngSvc.exe
6/50cltmngsv%USERNAME%.exe
1/47TBHostSupport.dll
4/50Alert.dll
10/51CltMngSvc.exe
8/49SPVC64Loader.dll
1/47prxtbBegi.dll
5/50CltMngSvc.exe
2/47nsaD0CF.exe
1/46TBVerifier.dll
4/48SPVC32Loader.dll
4/48ValueAppsLoader.dll
7/50SPVC32Loader.dll
6/48cltmng.exe
1/46prxtbBeg1.dll
4/47ValueAppsLoader.dll
3/51SPVC32Loader.dll

Scanner and Detection Names

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

ScannerDetection Names
AVwareConduit (fs)
Ad-AwareAdware.Agent.NUO
Antiy-AVLTrojan/Win32.Patched
AvastWin32:SearchProtect-B [PUP], Win32:SearchProtect-C [Adw], Win32:PUP-gen [PUP], Win32:Malware-gen
Baidu-InternationalMalware.Win32.Adware.50, Adware.Win32.Conduit.H, Trojan.Win32.Conduit.SearchProtect
BitDefenderAdware.Agent.NUO
BkavW32.Clod703.Trojan.cb57, W32.Clod2ae.Trojan.64e8
ComodoApplication.Win32.Conduit.~A
DrWebMULDROP.Trojan, Adware.BGuard.15, Adware.Conduit.6, Adware.Conduit.21, Adware.Conduit.3
ESET-NOD32a variant of Win32/Conduit.SearchProtect.B, a variant of Win32/Conduit.SearchProtect.H, a variant of Win32/Toolbar.Conduit.B potentially unwanted, a variant of Win32/Toolbar.Conduit.B, Win32/Toolbar.Conduit.R, a variant of Win64/Conduit.SearchProtect.A, Win32/Conduit.SearchProtect.E, Win32/Toolbar.Conduit.Y
EmsisoftAdware.Agent.NUO (B), Gen:Variant.Zusy.36650 (B), Android.Trojan.GingerMaster.AX (B)
FortinetRiskware/Conduit_SearchProtect
GDataWin32.Application.SearchProtect.O, Win32.Adware.SearchProtect.B, Win64.Application.SearchProtect.D, Adware.Agent.NUO
KingsoftWin32.Troj.Generic.a.(kcloud)
MalwarebytesPUP.Optional.Conduit.A, PUP.Optional.Conduit, PUP.Optional.ValueApps.A
McAfeeArtemis!03D24F335740, Artemis!B81CFB221816, Artemis!F31EAD497B8C, Artemis!4C734A78E018
McAfee-GW-EditionArtemis!03D24F335740, Artemis!B81CFB221816, Artemis!F31EAD497B8C, Artemis!4C734A78E018
MicroWorld-eScanAdware.Agent.NUO
PandaPUP/Conduit.A, Adware/Conduit
SUPERAntiSpywarePUP.SearchProtect
TrendMicro-HouseCallTROJ_GEN.F47V0211, TROJ_GEN.F47V1015, TROJ_GEN.F47V0305, TROJ_GEN.F47V0926, TROJ_GEN.F47V0331, TROJ_GEN.F47V0410, TROJ_GEN.F47V1216, TROJ_GEN.F47V0210, TROJ_GEN.F47V0330, TROJ_GEN.F47V0217, TROJ_GEN.F47V1231, TROJ_GEN.F47V0323
VIPREConduit (fs), Conduit (fs) (not malicious)
nProtectTrojan/W32.Agent.76344.E

* How the Detection Percentage is Calculated

The detection percentage is based on that I have gathered 22544 scan reports for the Conduit Ltd. files. 1834 of these scan reports 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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