ALIASES:

LiveSoftAction (fs) (Sunbelt)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

 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: 735,752 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 16 Jul 2014

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%\Tempdir
  • %User Temp%\TempDir

(Note: %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 and 7.)

Other System Modifications

This adware deletes the following files:

  • %User Temp%\TempDir\.
  • %User Temp%\TempDir\..
  • %User Temp%\TempDir\Downloader.log

(Note: %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 and 7.)

It adds the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{F126C9FC-9299-40F2-BD42-C59023AD1E7F}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{F126C9FC-9299-40F2-BD42-C59023AD1E7F}\1.0

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{F126C9FC-9299-40F2-BD42-C59023AD1E7F}\1.0\
FLAGS

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{F126C9FC-9299-40F2-BD42-C59023AD1E7F}\1.0\
0

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{F126C9FC-9299-40F2-BD42-C59023AD1E7F}\1.0\
0\win32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{F126C9FC-9299-40F2-BD42-C59023AD1E7F}\1.0\
HELPDIR

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{237FDFDB-3722-470E-8BA8-90196DABE967}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{237FDFDB-3722-470E-8BA8-90196DABE967}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{237FDFDB-3722-470E-8BA8-90196DABE967}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{237FDFDB-3722-470E-8BA8-90196DABE967}\TypeLib

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Main\FeatureControl

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Main\FeatureControl\
FEATURE_BROWSER_EMULATION

HKEY_CURRENT_USER\SOFTWARE\Appscion

It adds the following registry entries:

HKEY_CLASSES_ROOT
Setup.Application = "Setup.Application"

HKEY_CLASSES_ROOT
CLSID\{017E057B-DACF-4A07-B878-E294565E3F90} = "Setup.Application"

HKEY_CLASSES_ROOT
Setup.Application\CLSID = "{017E057B-DACF-4A07-B878-E294565E3F90}"

HKEY_CLASSES_ROOT
CLSID\{017E057B-DACF-4A07-B878-E294565E3F90}\ProgID = "Setup.Application"

HKEY_CLASSES_ROOT
CLSID\{017E057B-DACF-4A07-B878-E294565E3F90}\InprocHandler32 = "ole32.dll"

HKEY_CLASSES_ROOT
CLSID\{017E057B-DACF-4A07-B878-E294565E3F90}\LocalServer32 = "{malware path and file name} "

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{237FDFDB-3722-470E-8BA8-90196DABE967}\TypeLib
Version = "1.0"

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Main\FeatureControl\
FEATURE_BROWSER_EMULATION
{malware file name} = "1aa"

HKEY_CURRENT_USER\Software\Appscion
AppInstanceUid = "FE233574-A38B-41FF-86A8-01E787128ED8"

Dropping Routine

This adware drops the following files:

  • %User Temp%\TempDir\A320.mp4_8265
  • %User Temp%\TempDir\Chrome99593_Local State
  • %User Temp%\TempDir\Chrome99609_Local State
  • %User Temp%\TempDir\Chrome99625_Local State
  • %User Temp%\TempDir\Chrome99640_Local State
  • %User Temp%\TempDir\Firefox99640_profiles.ini
  • %User Temp%\TempDir\Firefox99703_profiles.ini
  • %User Temp%\TempDir\Firefox99718_profiles.ini
  • %User Temp%\TempDir\Firefox99843_profiles.ini
  • %User Temp%\TempDir\Chrome99906_Local State
  • %User Temp%\TempDir\Chrome5765_Local State
  • %User Temp%\TempDir\Firefox5765_profiles.ini

(Note: %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 and 7.)

Other Details

This adware connects to the following possibly malicious URL:

  • http://cdn2.{BLOCKED}s.tv/{random path}
  • {BLOCKED}0.1
  • {BLOCKED}1.251.148
  • {BLOCKED}3.242.251
  • {BLOCKED}.52.14
  • {BLOCKED}.52.15

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\Classes\TypeLib
    • {F126C9FC-9299-40F2-BD42-C59023AD1E7F}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{F126C9FC-9299-40F2-BD42-C59023AD1E7F}
    • 1.0
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{F126C9FC-9299-40F2-BD42-C59023AD1E7F}\1.0
    • FLAGS
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{F126C9FC-9299-40F2-BD42-C59023AD1E7F}\1.0
    • 0
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{F126C9FC-9299-40F2-BD42-C59023AD1E7F}\1.0\0
    • win32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{F126C9FC-9299-40F2-BD42-C59023AD1E7F}\1.0
    • HELPDIR
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {237FDFDB-3722-470E-8BA8-90196DABE967}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{237FDFDB-3722-470E-8BA8-90196DABE967}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{237FDFDB-3722-470E-8BA8-90196DABE967}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{237FDFDB-3722-470E-8BA8-90196DABE967}
    • TypeLib
  • In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
    • FeatureControl
  • In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl
    • FEATURE_BROWSER_EMULATION
  • In HKEY_CURRENT_USER\SOFTWARE
    • Appscion

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_CLASSES_ROOT
    • Setup.Application = "Setup.Application"
  • In HKEY_CLASSES_ROOT
    • CLSID\{017E057B-DACF-4A07-B878-E294565E3F90} = "Setup.Application"
  • In HKEY_CLASSES_ROOT
    • Setup.Application\CLSID = "{017E057B-DACF-4A07-B878-E294565E3F90}"
  • In HKEY_CLASSES_ROOT
    • CLSID\{017E057B-DACF-4A07-B878-E294565E3F90}\ProgID = "Setup.Application"
  • In HKEY_CLASSES_ROOT
    • CLSID\{017E057B-DACF-4A07-B878-E294565E3F90}\InprocHandler32 = "ole32.dll"
  • In HKEY_CLASSES_ROOT
    • CLSID\{017E057B-DACF-4A07-B878-E294565E3F90}\LocalServer32 = "{malware path and file name} "
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{237FDFDB-3722-470E-8BA8-90196DABE967}\TypeLib
    • Version = "1.0"
  • In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION
    • {malware file name} = "1aa"
  • In HKEY_CURRENT_USER\Software\Appscion
    • AppInstanceUid = "FE233574-A38B-41FF-86A8-01E787128ED8"

Step 4

Search and delete these components

[ Learn More ]
There may be some components that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %User Temp%\TempDir\A320.mp4_8265
  • %User Temp%\TempDir\Chrome99593_Local State
  • %User Temp%\TempDir\Chrome99609_Local State
  • %User Temp%\TempDir\Chrome99625_Local State
  • %User Temp%\TempDir\Chrome99640_Local State
  • %User Temp%\TempDir\Firefox99640_profiles.ini
  • %User Temp%\TempDir\Firefox99703_profiles.ini
  • %User Temp%\TempDir\Firefox99718_profiles.ini
  • %User Temp%\TempDir\Firefox99843_profiles.ini
  • %User Temp%\TempDir\Chrome99906_Local State
  • %User Temp%\TempDir\Chrome5765_Local State
  • %User Temp%\TempDir\Firefox5765_profiles.ini

Step 5

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%\Tempdir
  • %User Temp%\TempDir

Step 6

Scan your computer with your Trend Micro product to delete files detected as ADW_LISOFAC. 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 7

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%\TempDir\.
  • %User Temp%\TempDir\..
  • %User Temp%\TempDir\Downloader.log


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