PLATFORM:

Windows

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Adware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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

  TECHNICAL DETAILS

File Size: 1,585,293 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 08 Jan 2015

Arrival Details

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

Installation

This adware creates the following folders:

  • %User Temp%\WZS1.tmp
  • %Program Files%\Babylon

(Note: %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.. %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.)

Other System Modifications

This adware deletes the following files:

  • %User Temp%\WZS1.tmp
  • %Desktop%\INSTALL Babylon Translator.lnk

(Note: %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.. %Desktop% is the desktop folder, where it usually is C:\Documents and Settings\{user name}\Desktop in Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\Desktop in 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 adds the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Babylon\
Babylon Translator\b1

HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES\
Prod.Cap

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Prod.Cap
Index = "{random values}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Prod.Cap
Usage = "{random values}"

HKEY_LOCAL_MACHINE\SOFTWARE\Babylon\
Babylon Translator\b1
IndexByData = "{random values}"

HKEY_LOCAL_MACHINE\SOFTWARE\Babylon\
Babylon Translator\b1
IndexByExport = "{random values}"

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine: 9.700

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

Delete this registry key

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_LOCAL_MACHINE\SOFTWARE\Babylon\Babylon Translator
    • b1
  • In HKEY_LOCAL_MACHINE\SOFTWARE\CLASSES
    • Prod.Cap

Step 3

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Prod.Cap
    • Index = "{random values}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Prod.Cap
    • Usage = "{random values}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Babylon\Babylon Translator\b1
    • IndexByData = "{random values}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Babylon\Babylon Translator\b1
    • IndexByExport = "{random values}"

Step 4

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %User Temp%\WZS1.tmp
  • %Program Files%\Babylon

Step 5

Scan your computer with your Trend Micro product to delete files detected as ADW_CYDOOR.A. 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 this Knowledge Base page for more information.

Step 6

Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.

  • %User Temp%\WZS1.tmp
  • %Desktop%\INSTALL Babylon Translator.lnk


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