Goobzo LTD - 20% Detection Rate *

Did you just find a download or a file on your computer that is digitally signed by Goobzo LTD? Some of the security products refers to the detected files as MalSign.Skodna.A8D and Skodna.A8D. The detection rate for the Goobzo LTD files collected here is 20%. Please read on for more details.

You will typically see Goobzo LTD when double-clicking to run the file. The publisher name is then displayed as the "Verified publisher" in the UAC dialog as the screenshot shows:

Screenshot where Goobzo LTD appears as the verified publisher in the UAC dialog

You can view additional details from the Goobzo LTD certificate with the following procedure:

  1. Open up Windows Explorer and locate the Goobzo LTD 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 screencap of a file that has been digitally signed by Goobzo LTD:

Screenshot of the Goobzo 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 Goobzo LTD 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 examine the address for Goobzo LTD, such as the street name, city and country.

Thawte Code Signing CA - G2 and Symantec Class 3 SHA256 Code Signing CA has issued the Goobzo LTD certificates. You can also examine the details of the issuer by clicking the View Certificate button shown in the screenshot above.

Goobzo LTD Files

The following are the Goobzo LTD files I have collected, thanks to the FreeFixer users.

Detection RatioFile Name
3/49SysMenu.dll
2/49SYSPLA~2.DLL
2/48SysMenu.dll
6/55SysMenu.dll
3/49SYSPLA~2.DLL
5/51sbmntr.sys
6/50JSDRV.EXE
4/52YTAHelper64.dll
2/52SysMenu.dll
2/48SysMenu64.dll
4/51YTAHelper.dll
2/48ShopperPro.exe
3/50jsdrv.sys
2/47ShopperPro.dll
15/57SysMenu.dll
8/54YTAHelper64.dll
2/49FFMPEG~1.EXE
3/47smu.exe
9/54sbmntr.sys
4/52spbiu.exe
9/55SysMenu.dll
3/49iWebar-bg.exe
3/52YTAHelper.exe
15/55YTDownloader.exe
9/56SysMenu.dll
9/51ytaib.exe
9/53SysMenu64.dll
5/48updater.exe
9/51ShopperPro.dll
9/51smu.exe
6/52YTAHelper.dll
13/57DCytaiesmt_smtyc_setup.exe
3/49iWebar-bho.dll
8/50ShopperPro.dll
3/57SysMenu.dll

Scanner and Detection Names

Here's the detection names for the Goobzo LTD files. I've grouped the detection names by each scanner engine. Thanks to VirusTotal for the scan results.

ScannerDetection Names
ALYacGen:Variant.Adware.Graftor.171097
AVGMalSign.Skodna.A8D, Skodna.A8D
AVwareGoobzo (fs)
Ad-AwareGen:Variant.Adware.Graftor.171097
AhnLab-V3Win-PUP/CrossRider, Adware/Win32.BHO, PUP/Win32.CrossRider
AntiVirTR/Crypt.XPACK.Gen
Antiy-AVLGrayWare[AdWare:not-a-virus]/Win32.Shopper
AvastWin32:Adware-CDO [PUP], Win32:Adware-BLT [PUP]
AviraADWARE/CrossRider.Gen
Baidu-InternationalAdware.Win32.CrossAd.BAI, Adware.Win32.ShopperPro.bA, Adware.Win32.Shopper.BAI, Adware.Win32.CrossRider.BAI, Trojan.MSIL.SBWatchman.A, Adware.Win32.SpeedBit.45, Adware.Win32.Goobzo.81, Adware.Win32.ShopperPro.A, Adware.MSIL.SBWatchman.bA, Adware.Win32.ShopperPro.BA, Trojan.Win32.ShopperPro.A
BitDefenderGen:Variant.Adware.Graftor.171097
ClamAVWin.Adware.Shopper-75
ComodoUnclassifiedMalware
DrWebAdware.Searcher.2656
ESET-NOD32a variant of Win32/ShopperPro.A, a variant of Win32/SBWatchman.D, a variant of MSIL/SBWatchman.A, a variant of Win32/SpeedBit.A, a variant of Win32/SpeedBit.C potentially unwanted, Win32/ShopperPro.A
EmsisoftJS:Trojan.Iframe.D (B), Gen:Variant.Adware.Graftor.171097 (B)
F-SecureGen:Variant.Adware.Graftor
FortinetAdware/Shopper
GDataWin32.Application.Shopperpro.A, Gen:Variant.Adware.Graftor.171097
IkarusAdWare.CrossRider, PUA.SpeedBit
JiangminAdWare/Shopper.hu
K7AntiVirusRiskware ( 0049c6851 )
K7GWRiskware ( 0049c6851 )
Kasperskynot-a-virus:AdWare.Win32.Shopper.adw
MalwarebytesPUP.Optional.iWebar.A, PUP.Optional.ShopperPro.A
McAfeeArtemis!B0B7A9658968, Artemis!49BC24437E90, Artemis!EA7BFD3722F6, Artemis!16FEB600660E, Artemis!804FAA75C398, Artemis!8EE4B92CA415, Artemis!3809A807A2A3, Artemis!C76CD64AFC15, Artemis!B5274E0FE402, Artemis!3954442F06BA
McAfee-GW-EditionArtemis!B0B7A9658968, Artemis, Artemis!EA7BFD3722F6, Artemis!8EE4B92CA415, Artemis!3809A807A2A3, Artemis!C76CD64AFC15, Artemis!B5274E0FE402, Artemis!3954442F06BA
MicroWorld-eScanGen:Variant.Adware.Graftor.171097
PandaAdware/Goobzo
Qihoo-360Win32/Trojan.Adware.37e, ????????????????, Trojan.Generic
SophosGoobzo
SymantecWS.Reputation.1
TencentWin32.Trojan.Falsesign.Alsl, Win32.Trojan.Falsesign.Eaxy, Win32.Trojan.Falsesign.Dxcx, Win32.Trojan.Falsesign.Pavr, Win32.Trojan.Falsesign.Egeu, Win32.Trojan.Falsesign.Pdbz, Win32.Trojan.Falsesign.Gls, Win32.Trojan.Falsesign.Ajcc
TrendMicroADW_BITSPEE
TrendMicro-HouseCallTROJ_GEN.F47V1127, TROJ_GEN.F47V1219, TROJ_GEN.F47V1231, TROJ_GEN.F47V0214, TROJ_GEN.F47V0522, Suspicious_GEN.F47V0617, TROJ_GEN.F47V1230, Suspicious_GEN.F47V0827, Suspicious_GEN.F47V0826, ADW_BITSPEE, TROJ_GEN.F47V0327, TROJ_GEN.F47V0224
VIPREGoobzo (fs), Crossrider (fs)

* How the Detection Percentage is Calculated

The detection percentage is based on the fact that I've gathered 24927 scan results for the Goobzo LTD files. 4892 of these scan reports came up with some sort of detection. If you like, you can review the full details of the scan reports by examining the files listed above.

Analysis Details

In the analysis on this page I grouped all certificates where the signer name is set to upper and lower case variants of Goobzo LTD. These are the signer names:

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

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