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ADWARE_JUSTFINDIT

October 09, 2012
 Analysis by: Sabrina Lei Sioting
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Adware

  • Destructiveness: No

  • Encrypted: No

  • 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. It arrives as a component bundled with malware/grayware packages.

  TECHNICAL DETAILS

File Size:

505,168 bytes

File Type:

DLL

Initial Samples Received Date:

06 Apr 2011

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.

It arrives as a component bundled with malware/grayware packages.

Autostart Technique

This adware adds the following registry keys to install itself as a Browser Helper Object (BHO):

HKEY_CLASSES_ROOT\CLSID\{3F5A62E2-51F2-11D3-A075-CC7364CAE42A}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{3F5A62E2-51F2-11D3-A075-CC7364CAE42A}

It registers itself as a BHO to ensure its automatic execution every time Internet Explorer is used by adding the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\Toolbar
{3F5A62E2-51F2-11D3-A075-CC7364CAE42A} = "UPPC"

It adds the following registry entries to install itself as a Browser Helper Object (BHO):

HKEY_CLASSES_ROOT\CLSID\{3F5A62E2-51F2-11D3-A075-CC7364CAE42A}
@ = "&UPPC BAR"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{3F5A62E2-51F2-11D3-A075-CC7364CAE42A}
@ = "&UPPC BAR"