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PUA.WIN32.BABYLON.GA

November 29, 2018
 Analysis by: John Anthony Banes
 ALIASES:

W32/Babylon.E (FPROT); WebToolbar.Win32.Babylon.i (Kaspersky); a variant of Win32/Toolbar.Babylon.E (NOD32)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 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:

1,078,591 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

27 Nov 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 adds the following folders:

  • %AppDataLocal%\Babylon
  • %AppDataLocal%\Babylon\Setup
  • %Application Data%\Babylon
  • %Program Files%\Unlocker
  • %Start Menu%\Programs\Unlocker
  • %User Temp%\{GUID}
  • %User Temp%\{GUID}\HtmlScreens
  • %User Temp%\{GUID}\Latest
  • %User Temp%\{GUID}\Latest\HtmlScreens
  • %User Temp%\{GUID}\Latest
  • %User Temp%\ns{random}.tmp

(Note: %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local on Windows Vista, 7, and 8.. %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, and 8.. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), 7 (32-bit), and 8 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), 7 (64-bit), and 8 (64-bit).. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista, 7, and 8.. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, and 8.)

It drops the following files:

  • %AppDataLocal%\Babylon\Setup\Setup2.zpb
  • %Application Data%\Babylon\log_file.txt
  • %Program Files%\Unlocker\README.TXT
  • %Program Files%\Unlocker\uninst.exe
  • %Program Files%\Unlocker\Unlocker.exe
  • %Program Files%\Unlocker\Unlocker.url
  • %Program Files%\Unlocker\UnlockerAssistant.exe
  • %Program Files%\Unlocker\UnlockerCOM.dll
  • %Program Files%\Unlocker\UnlockerDriver5.sys
  • %Program Files%\Unlocker\UnlockerHook.dll
  • %Start Menu%\Programs\Unlocker\README.lnk
  • %Start Menu%\Programs\Unlocker\Start Unlocker Assistant.lnk
  • %Start Menu%\Programs\Unlocker\Start Unlocker.lnk
  • %Start Menu%\Programs\Unlocker\Uninstall.lnk
  • %Start Menu%\Programs\Unlocker\Website.lnk
  • %User Temp%\{GUID}\bab033.tbinst.dat
  • %User Temp%\{GUID}\bab091.norecovericon.dat
  • %User Temp%\{GUID}\bab148.spreg.dat
  • %User Temp%\{GUID}\bab187.wl.dat
  • %User Temp%\{GUID}\bab307.sp_pop0.dat
  • %User Temp%\{GUID}\bab456.TB_OldWay.dat
  • %User Temp%\{GUID}\Babylon.dat
  • %User Temp%\{GUID}\BExternal.dll
  • %User Temp%\{GUID}\HtmlScreens\loading.html
  • %User Temp%\{GUID}\HtmlScreens\navError.html
  • %User Temp%\{GUID}\HtmlScreens\pBar.gif
  • %User Temp%\{GUID}\IEHelper.dll
  • %User Temp%\{GUID}\Latest\bab033.tbinst.dat
  • %User Temp%\{GUID}\Latest\bab091.norecovericon.dat
  • %User Temp%\{GUID}\Latest\bab148.spreg.dat
  • %User Temp%\{GUID}\Latest\bab187.wl.dat
  • %User Temp%\{GUID}\Latest\bab307.sp_pop0.dat
  • %User Temp%\{GUID}\Latest\bab456.TB_OldWay.dat
  • %User Temp%\{GUID}\Latest\Babylon.dat
  • %User Temp%\{GUID}\Latest\BExternal.dll
  • %User Temp%\{GUID}\Latest\HtmlScreens\loading.html
  • %User Temp%\{GUID}\Latest\HtmlScreens\navError.html
  • %User Temp%\{GUID}\Latest\HtmlScreens\pBar.gif
  • %User Temp%\{GUID}\Latest\IEHelper.dll
  • %User Temp%\{GUID}\Latest\kstp.txt
  • %User Temp%\{GUID}\Latest\setup.exe
  • %User Temp%\{GUID}\Latest\Setup2.zpb
  • %User Temp%\{GUID}\Latest\SetupStrings.dat
  • %User Temp%\{GUID}\Latest\sqlite3.dll
  • %User Temp%\{GUID}\Setup.exe
  • %User Temp%\{GUID}\SetupStrings.dat
  • %User Temp%\{GUID}\sqlite3.dll
  • %User Temp%\Cookies.tmp
  • %User Temp%\DeltaTB.exe
  • %User Temp%\ns{random}.tmp\Delta.ini
  • %User Temp%\ns{random}.tmp\delta_logo_small.bmp
  • %User Temp%\ns{random}.tmp\InstallOptions.dll
  • %User Temp%\ns{random}.tmp\ioSpecial.ini
  • %User Temp%\ns{random}.tmp\LangDLL.dll
  • %User Temp%\ns{random}.tmp\modern-wizard.bmp
  • %User Temp%\ns{random}.tmp\System.dll

(Note: %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local on Windows Vista, 7, and 8.. %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, and 8.. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), 7 (32-bit), and 8 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), 7 (64-bit), and 8 (64-bit).. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista, 7, and 8.. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, and 8.)

Other System Modifications

This Potentially Unwanted Application adds the following registry keys:

HKEY_CURRENT_USER\Software\BabyTest

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Unlocker

HKEY_LOCAL_MACHINE\SOFTWARE\BabyTest

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Test.cap

HKEY_LOCAL_MACHINE\SOFTWARE\Babylon

HKEY_LOCAL_MACHINE\SOFTWARE\Babylon\
Babylon Client

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}\InProcServer32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\UnlockerShellExtension

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AllFilesystemObjects\shellex\ContextMenuHandlers\
UnlockerShellExtension

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Folder\ShellEx\ContextMenuHandlers\
UnlockerShellExtension

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\App Paths\
Unlocker.exe

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\UnlockerDriver5

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Unlocker
Language = 1041

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\UnlockerDriver5
ImagePath = \??\%Program Files%\Unlocker\UnlockerDriver5.sys

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
services\UnlockerDriver5
Type = 1

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Unlocker
OnlineVersion = 1.9.2

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}
(Default) = UnlockerShellExtension

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}\InProcServer32
(Default) = %Program Files%\Unlocker\UnlockerCOM.dll

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}\InProcServer32
ThreadingModel = Apartment

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\UnlockerShellExtension
(Default) = {DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AllFilesystemObjects\shellex\ContextMenuHandlers\
UnlockerShellExtension
(Default) = {DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Folder\ShellEx\ContextMenuHandlers\
UnlockerShellExtension
(Default) = {DDE4BEEB-DDE6-48fd-8EB5-035C09923F83}

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Shell Extensions\
Approved
{DDE4BEEB-DDE6-48fd-8EB5-035C09923F83} = UnlockerShellExtension

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
UnlockerAssistant = %Program Files%\Unlocker\UnlockerAssistant.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\App Paths\
Unlocker.exe
(Default) = %Program Files%\Unlocker\Unlocker.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Unlocker
DisplayName = Unlocker 1.9.2

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Unlocker
UninstallString = %Program Files%\Unlocker\uninst.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Unlocker
DisplayIcon = %Program Files%\Unlocker\Unlocker.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Unlocker
DisplayVersion = 1.9.2

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Unlocker
URLInfoAbout = http://{BLOCKED}er.{BLOCKED}oop.com/

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Unlocker
Publisher = Cedrick Collomb

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Prod.cap
Info = {hex values}

Other Details

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

  • http://{BLOCKED}t.{BLOCKED}tream.net/report.php?no_policy=1&lang=0&source=setup-start&stage=0&ver={version}&affilID=122471&guid={GUID}&mntrId=8AA7000C29DB4541&moldid=8aa7dee7000000000000000c29db4541&sufn={filename}&iev=8&ffv=3&crv=59&dwb=ie&dlb=cr&wbr=4&ibprs=NA&ibprv=0&sutp=50&sufl=66&tbp=0&prver=0&minreq=0&dtct=-10000000&wvr=601&tbtp=def&tbinst=1&cntry=US&cat=delta&uac=1&osp=hp0:-1938492880;hp1:0;hp2:0;dsp0:0;dsp1:0;dsp2:-425396809;&dnt=2.0,3.0,3.5,4.0
  • http://{BLOCKED}p.{BLOCKED}n.com/downloader.php?ver={version}&affilID=122471&guid={GUID}&mntrId=8AA7000C29DB4541&moldid=8aa7dee7000000000000000c29db4541&sufn={filename}&iev=8&ffv=3&crv=59&dwb=ie&dlb=cr&wbr=4&ibprs=NA&ibprv=0&sutp=50&sufl=66&tbp=0&prver=0&minreq=0&dtct=-10000000&wvr=601&tbtp=def&tbinst=1&cntry={country code}&cat=delta&uac=1&osp=hp0:-1938492880;hp1:0;hp2:0;dsp0:0;dsp1:0;dsp2:-425396809;&dnt=2.0,3.0,3.5,4.0&lang={language code}&zpb=1&geo=1
  • http://{BLOCKED}l.{BLOCKED}n.com/site/files/Setup9/dwr/latest/latest_bl/Setup2.zpb
  • http://{BLOCKED}t.{BLOCKED}tream.net/report.php?no_policy=1&lang=0&source=setup-end&stage=91&ver={version}&affilID=122471&guid={GUID}&mntrId=8AA7000C29DB4541&moldid=8aa7dee7000000000000000c29db4541&iev=8&ffv=3&crv=59&dwb=ie&dlb=cr&wbr=4&ibprs=NA&ibprv=0&sutp=50&sufl=66&tbp=0&prver=0&minreq=0&dtct=-10000000&wvr=601&tbtp=def&tbinst=1&cntry={country code}&cat=delta&uac=1&osp=hp0:-1938492880;hp1:0;hp2:0;dsp0:0;dsp1:0;dsp2:-425396809;&dnt=2.0,3.0,3.5,4.0&hp=4&dsp=4&tb=4&hpx=0&dspx=0&rvrt=0&excd=0&stm=30&nvs=0&dnld=100&dcnt=1&dtot=1&dlerr=200&dltm=0&dlsz=3844&dsflr=0&errurl=Setup2.zpb&hpc=1998245871&spc=1998245871&tbx=0

  SOLUTION

Minimum Scan Engine:

9.850

SSAPI PATTERN File:

2.127.00

SSAPI PATTERN Date:

06 Dec 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.WIN32.BABYLON.GA

[ 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.WIN32.BABYLON.GA 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.WIN32.BABYLON.GA. 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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