PUA_BaiduRJDownloader.GC

June 07, 2018
 Analysis by: Johnlery Triunfante
 ALIASES:

Win32/Baidu.O potentially unwanted application (NOD32); W32/Malicious_Behavior.VEX (Fortinet)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Potentially Unwanted Application

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Potentially Unwanted Application arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It may be manually installed by a user.

  TECHNICAL DETAILS

File Size:

3,224,560 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

09 Mar 2018

Arrival Details

This Potentially Unwanted Application arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It may be manually installed by a user.

Installation

This Potentially Unwanted Application drops the following files:

  • %All Users Profile%\Application Data\Baidu\BaiduRJDownloader\Config\106.dat
  • %All Users Profile%\Application Data\Baidu\BaiduRJDownloader\Config\4402.dat
  • %All Users Profile%\Baidu\Common\Global.db
  • %Application Data%\Baidu\BaiduRJDownloader\rpt.dat
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\ActivityAssistant.exe
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\AppAdTip.exe
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\AppOpenAsTip.exe
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\AppUpdateTips.exe
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\AppUpdater.exe
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\BDHYServer.exe
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\BDKitUtils.dll
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\BDMNetGetInfo.dll
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\BaseDll.dll
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\BugReport.exe
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\DriverManager.dll
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_10272.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_10547.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_10644.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_10849.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_11043.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_11339.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_11383.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_11390.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_11838.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_11843.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_12035.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_12276.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_12282.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_12350.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_12616.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_12812.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_12856.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_12882.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_12934.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_12993.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_13406.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_13442.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_13478.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_13598.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_13874.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_14000.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_14497.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_14744.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_14754.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_15192.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_15501.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_15752.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_16490.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_16988.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_17183.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_17519.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_17588.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_19130.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_19227.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_19412.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_20621.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_21211.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_23980.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_24655.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_28108.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_28111.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_35858.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_38200.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_40694.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_40805.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_40898.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_41065.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_41100.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_41143.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\HYSoftIcons\10002_41153.png
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\Microsoft.VC80.ATL\Microsoft.VC80.ATL.manifest
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\Microsoft.VC80.ATL\atl80.dll
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\Microsoft.VC80.CRT\Microsoft.VC80.CRT.manifest
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\Microsoft.VC80.CRT\msvcm80.dll
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\Microsoft.VC80.CRT\msvcp80.dll
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\Microsoft.VC80.CRT\msvcr80.dll
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\ProtocolDll.dll
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\ReportDll.dll
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\ReportRecordDll.dll
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\UtilsDll.dll
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\bddlsvc.exe
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\bdrcdl.exe
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\config.xml
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\dl.dll
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\drivers\BDArKit.sys
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\ieBDSoftHelperPlug.dll
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\mindownload.ico
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\adtipsui.rdb
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\color_adtips.clr
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\color_desc.clr
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\color_openastips.clr
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\color_tips.clr
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\color_uninst.clr
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\color_updatetips.clr
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\font_adtips.f
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\font_desc.f
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\font_openastips.f
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\font_tips.f
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\font_uninst.f
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\font_updatetips.f
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\haiyanui.rdb
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\openastipsui.rdb
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\text_adtips.str
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\text_cn.str
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\text_openastips.str
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\text_tips.str
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\text_uninst.str
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\text_updatetips.str
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\tipsui.rdb
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\uninstui.rdb
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin\updatetipsui.rdb
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\skin_engine.dll
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\uninstaller.exe
  • %Program Files%\baidu\rj\favicon.ico
  • %System%\config\systemprofile\AppData\Roaming\Baidu\BaiduRJDownloader\rpt.dat
  • %System%\drivers\BDArKit.sys
  • %User Temp%\nsd{random characters}.tmp
  • %User Temp%\nsx{random characters}.tmp\InstallHelper.dll
  • %System%\Tasks\BDDL Server

(Note: %All Users Profile% is the All Users folder, where it usually is C:\Documents and Settings\All Users on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\ProgramData on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Program Files% is the Program Files folder, where it usually is C:\Program Files on all Windows operating system versions; C:\Program Files (x86) for 32-bit applications running on Windows 64-bit operating systems.. %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.. %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

It creates the following folders:

  • %All Users Profile%\Application Data\Baidu
  • %All Users Profile%\Application Data\Baidu\BaiduRJDownloader
  • %All Users Profile%\Application Data\Baidu\BaiduRJDownloader\Config
  • %All Users Profile%\Baidu
  • %All Users Profile%\Baidu\Common
  • %Program Files%\baidu
  • %Program Files%\baidu\BaiduRJDownloader
  • %Program Files%\baidu\BaiduRJDownloader\2.0.0.289
  • %Program Files%\baidu\rj
  • %User Temp%\nsx{random characters}.tmp

(Note: %All Users Profile% is the All Users folder, where it usually is C:\Documents and Settings\All Users on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\ProgramData on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.. %Program Files% is the Program Files folder, where it usually is C:\Program Files on all Windows operating system versions; C:\Program Files (x86) for 32-bit applications running on Windows 64-bit operating systems.. %User Temp% is the user's temporary folder, where it usually is C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Local\Temp on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

Other System Modifications

This Potentially Unwanted Application adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\{0031830A-A9D3-4f64-B6E8-3D55B68F4F9B}
(Default) = ieCommonPlugin

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\ieCommonPlugin.DLL
AppID = {0031830A-A9D3-4f64-B6E8-3D55B68F4F9B}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ieBDSoftHelperPlug.Implement.1
(Default) = ieBDSoftHelperPlug Implement Class

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ieBDSoftHelperPlug.Implement.1\CLSID
(Default) = {D3C9CF85-72D2-4d22-B16A-0B682403AB84}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ieBDSoftHelperPlug.Implement
(Default) = ieBDSoftHelperPlug Implement Class

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ieBDSoftHelperPlug.Implement\CLSID
(Default) = {D3C9CF85-72D2-4d22-B16A-0B682403AB84}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
ieBDSoftHelperPlug.Implement\CurVer
(Default) = ieBDSoftHelperPlug.Implement.1

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D3C9CF85-72D2-4d22-B16A-0B682403AB84}
(Default) = ieBDSoftHelperPlug Implement Class

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D3C9CF85-72D2-4d22-B16A-0B682403AB84}\ProgID
(Default) = ieBDSoftHelperPlug.Implement.1

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D3C9CF85-72D2-4d22-B16A-0B682403AB84}\VersionIndependentProgID
(Default) = ieBDSoftHelperPlug.Implement

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D3C9CF85-72D2-4d22-B16A-0B682403AB84}\InprocServer32
(Default) = %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\ieBDSoftHelperPlug.dll

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D3C9CF85-72D2-4d22-B16A-0B682403AB84}\InprocServer32
ThreadingModel = Apartment

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{D3C9CF85-72D2-4d22-B16A-0B682403AB84}\TypeLib
(Default) = {5FA67120-F0AC-4a6e-B806-AECC0D13D9EF}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{5FA67120-F0AC-4A6E-B806-AECC0D13D9EF}\1.0
(Default) = ieCommonPlugin 1.0 Type Library

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{5FA67120-F0AC-4A6E-B806-AECC0D13D9EF}\1.0\
FLAGS
(Default) = 0

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{5FA67120-F0AC-4A6E-B806-AECC0D13D9EF}\1.0\
0\win32
(Default) = %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\ieBDSoftHelperPlug.dll

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{5FA67120-F0AC-4A6E-B806-AECC0D13D9EF}\1.0\
HELPDIR
(Default) =

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{06AD210F-5953-4201-BB4F-81756DB68DF0}
(Default) = IImplement

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{06AD210F-5953-4201-BB4F-81756DB68DF0}\ProxyStubClsid
(Default) = {00020424-0000-0000-C000-000000000046}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{06AD210F-5953-4201-BB4F-81756DB68DF0}\ProxyStubClsid32
(Default) = {00020424-0000-0000-C000-000000000046}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{06AD210F-5953-4201-BB4F-81756DB68DF0}\TypeLib
(Default) = {5FA67120-F0AC-4A6E-B806-AECC0D13D9EF}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{06AD210F-5953-4201-BB4F-81756DB68DF0}\TypeLib
Version = 1.0

HKEY_LOCAL_MACHINE\SOFTWARE\baidu\
BaiduRJDownloader
InstallDir = %Program Files%\baidu\BaiduRJDownloader\2.0.0.289

HKEY_LOCAL_MACHINE\SOFTWARE\baidu\
BaiduRJDownloader
Version = 2.0.0.289

HKEY_LOCAL_MACHINE\SOFTWARE\baidu\
BaiduRJDownloader
IEPluginPath = %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\ieBDSoftHelperPlug.dll

HKEY_LOCAL_MACHINE\SOFTWARE\baidu\
BaiduRJDownloader
SupplyID = 10002

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
*\shell\dlhelper
(Default) = {hex values}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
*\shell\dlhelper
icon = %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\bdrcdl.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
*\shell\dlhelper\
command
(Default) = "%Program Files%\baidu\BaiduRJDownloader\2.0.0.289\BDHYServer.exe" "%1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
BaiduRJDownloader
DisplayName = {hex values} 2.0.0.289

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
BaiduRJDownloader
UninstallString = %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\uninstaller.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
BaiduRJDownloader
Publisher = Beijing baidu Netcom science and technology co.ltd

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
BaiduRJDownloader
DisplayVersion = 2.0.0.289

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
BaiduRJDownloader
DisplayIcon = %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\mindownload.ico

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\Low Rights\ElevationPolicy\
{849EE4F0-6AEA-41c9-8A21-5F700C3BBDD5}
AppName = bdrcdl.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\Low Rights\ElevationPolicy\
{849EE4F0-6AEA-41c9-8A21-5F700C3BBDD5}
AppPath = %Program Files%\baidu\BaiduRJDownloader\2.0.0.289

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\Low Rights\ElevationPolicy\
{849EE4F0-6AEA-41c9-8A21-5F700C3BBDD5}
Policy = 3

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Control\GroupOrderList
bddriver = {hex values}

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Control\ServiceGroupOrder
List = {hex values}

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bd0001
Type = 1

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bd0001
Start = 1

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bd0001
ErrorControl = 0

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bd0001
DisplayName = bd0001

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bd0001
Description = bd0001

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bd0001
ImagePath = system32\DRIVERS\bd0001.sys

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bd0001
Group = bddriver

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bd0001
Tag = 1

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bd0004
Type = 1

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bd0004
Start = 1

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bd0004
ErrorControl = 0

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bd0004
DisplayName = bd0004

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bd0004
Description = bd0004

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bd0004
ImagePath = system32\DRIVERS\bd0004.sys

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bd0004
Group = bddriver

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bd0004
Tag = 2

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bd0004
InstallDir_gj = %Program Files%\baidu\BaiduRJDownloader\2.0.0.289

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\BDArKit
Type = 1

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\BDArKit
Start = 2

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\BDArKit
ErrorControl = 0

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\BDArKit
DisplayName = BDArKit

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\BDArKit
Description = BDArKit

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\BDArKit
ImagePath = system32\DRIVERS\BDArKit.sys

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\BDArKit
Group = bddriver

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\BDArKit
Tag = 4

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\BDMWrench
Type = 1

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\BDMWrench
Start = 1

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\BDMWrench
ErrorControl = 0

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\BDMWrench
DisplayName = BDMWrench

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\BDMWrench
Description = BDMWrench

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\BDMWrench
ImagePath = system32\DRIVERS\BDMWrench.sys

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\BDMWrench
Group = bddriver

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\BDMWrench
Tag = 5

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bd0004
ImagePath = \??\%System%\DRIVERS\bd0004.sys

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\BDArKit
ImagePath = \??\%System%\DRIVERS\BDArKit.sys

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\BDMWrench
ImagePath = \??\%System%\DRIVERS\BDMWrench.sys

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bddlsvc
Type = 272

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bddlsvc
Start = 2

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bddlsvc
ErrorControl = 1

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bddlsvc
ImagePath = "%Program Files%\baidu\BaiduRJDownloader\2.0.0.289\bddlsvc.exe" -r

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bddlsvc
DisplayName = BDHY Service

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bddlsvc
Group = COM Infrastructure

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bddlsvc
ObjectName = LocalSystem

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bddlsvc
Description = {hex values}

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\bddlsvc
Type = 16

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Unknown\shell\opendlg\
command
(Default) = %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\BDHYServer.exe 1 2 "%1"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Unknown\shell\openas\
command
(Default) = %Program Files%\baidu\BaiduRJDownloader\2.0.0.289\BDHYServer.exe 1 3 "%1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Schedule\
TaskCache\Tasks\{3B021AA0-FBE7-48E6-BF25-33255F64DDB7}
Path = \BDDL Server

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Schedule\
TaskCache\Tasks\{3B021AA0-FBE7-48E6-BF25-33255F64DDB7}
Hash = {hex value}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Schedule\
TaskCache\Tree\BDDL Server
Id = {3B021AA0-FBE7-48E6-BF25-33255F64DDB7}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Schedule\
TaskCache\Tree\BDDL Server
Index = 3

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Schedule\
TaskCache\Tasks\{3B021AA0-FBE7-48E6-BF25-33255F64DDB7}
Triggers = {hex values}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Schedule\
TaskCache\Tasks\{3B021AA0-FBE7-48E6-BF25-33255F64DDB7}
DynamicInfo = {hex values}

Other Details

This Potentially Unwanted Application connects to the following possibly malicious URL:

  • http://{BLOCKED}r.hy.baidu.com/
  • http://{BLOCKED}b.hy.baidu.com/
  • http://{BLOCKED}p.hy.baidu.com/

  SOLUTION

Minimum Scan Engine:

9.850

SSAPI PATTERN File:

1.971.00

SSAPI PATTERN Date:

07 Jun 2018

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Identify and terminate files detected as PUA_BaiduRJDownloader.GC

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 4

Remove PUA_BaiduRJDownloader.GC by using its own Uninstall option

[ Learn More ]
To uninstall the grayware process

Step 5

Scan your computer with your Trend Micro product to delete files detected as PUA_BaiduRJDownloader.GC. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:


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