ADW_SKPLUS

October 09, 2012
 Analysis by: Rhena Inocencio
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 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:

227,040 bytes

File Type:

EXE

Initial Samples Received Date:

27 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.

Other System Modifications

This adware adds the following registry keys:

HKEY_CURRENT_USER\Software\skplus

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Ext\
Settings\{GUID}

It adds the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Ext\
Settings\{GUID}
Flags = "075c0001"

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Ext\
Settings\{GUID}
Version = "*"

It adds the following registry entries as part of its installation routine:

HKEY_CURRENT_USER\Software\skplus
run = "{installation date}"

Other Details

This adware connects to the following possibly malicious URL:

  • xml.{BLOCKED}s.kr
  • inno.{BLOCKED}s.co.kr