Modified by: Pearl Charlaine Espejo
ALIASES:

OpenCandy.C (AVG); GrayWare[AdWare]/Win32.OpenCandy.a (Antiy-AVL); Win32.Application.OpenCandy.O (GData); Win32:OpenCandy-D [PUP] (Avast)

 PLATFORM:

Windows

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

  • Threat Type: Adware

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Dropped by other malware

This adware arrives as a component bundled with malware/grayware packages. It may be dropped by other malware.

It does not have any propagation routine.

It does not have any backdoor routine.

It connects to certain websites to send and receive information. It requires its main component to successfully perform its intended routine.

  TECHNICAL DETAILS

File Size: 772,424 bytes
File Type: DLL
Memory Resident: No
Initial Samples Received Date: 27 Apr 2016
Payload: Connects to URLs/IPs

Arrival Details

This adware arrives as a component bundled with malware/grayware packages.

It may be dropped by the following malware:

  • ADW_OPENCANDY

Propagation

This adware does not have any propagation routine.

Backdoor Routine

This adware does not have any backdoor routine.

Other Details

This adware connects to the following website to send and receive information:

  • http://{BLOCKED}i.{BLOCKED}ndy.com
  • www.{BLOCKED}ndy.com/privacy-policy

It requires its main component to successfully perform its intended routine.

It does the following:

  • Creates a class factory instance
  • Queries whether the DLL can safely be unloaded
  • Create/remove registry entries for the DLL
  • Install third party application without OpenCandy
  • Cleanup product
  • Show OpenCandy banner or offer page
  • Set offer data
  • Set offer location
  • Set Use Default background
  • Set Client Advanced Options
  • Get GUID
  • Restore or adjust Inno
  • Adjust Install Shield
  • Adjust NSIS
  • Report status - Installed or Failed
  • Add registry as "Software\{third party application bundle}\Opencandy\"
  • Shutdown
  • Restart itself
  • Restart itslef as Admin

NOTES:

It does not have rootkit capabilities.

It does not exploit any vulnerability.

  SOLUTION

Minimum Scan Engine: 9.800
SSAPI PATTERN File: 1.731.00
SSAPI PATTERN Date: 16 May 2016

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

Remove the malware/grayware file dropped/downloaded by ADW_OPENCANDY.COMPONENT. (Note: Please skip this step if the threat(s) listed below have already been removed.)

     
    • ADW_OPENCANDY

Step 4

Scan your computer with your Trend Micro product to delete files detected as ADW_OPENCANDY.COMPONENT. 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.


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