Analysis by: Mar Philip Elaurza
 PLATFORM:

Windows

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

  • Threat Type: Adware

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet

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 may be manually installed by a user.

It does not have any propagation routine.

It does not have any backdoor routine.

  TECHNICAL DETAILS

File Size: 3,903,728 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 04 Jul 2016
Payload: Connects to URLs/IPs

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 may be manually installed by a user.

Installation

This adware adds the following processes:

  • iexplore.exe

Propagation

This adware does not have any propagation routine.

Backdoor Routine

This adware does not have any backdoor routine.

Adware Routine

This adware connects to the following URL(s) to display ads on the affected system:

  • http://{BLOCKED}a.space/pages/inmon/im-typ.html

NOTES:

This adware terminates after connecting to the URLs listed above.

It connects to the following URLs to download unwanted files:

  • http://aclick.{BLOCKED}1.net/3dj8E2dOMf0djmNW0mjn2m?tt=2
  • https://{BLOCKED}z.org/?aid=A424671952-1055013556-759180181&lp=file2&lp_ver=green&sid=tOGdc6sDHZoQ_2pXQYoc6JmN300

  SOLUTION

Minimum Scan Engine: 9.800
SSAPI PATTERN File: 1.747.00
SSAPI PATTERN Date: 07 Jul 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

Close all opened browser windows

Step 4

Scan your computer with your Trend Micro product to delete files detected as ADW_INSTALLMONSTR.GA. 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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