Analysis by: John Donnie Celestre
ALIASES:

Adware.Agent.TTN (BITDEFENDER), Adware-YBeast. (NAI)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 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: 682 bytes
File Type: JS
Initial Samples Received Date: 22 Aug 2018

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.

Adware Routine

This Adware connects to the following URLs to download and display ads:

  • http://{BLOCKED}r.pw/ads/gad1.js
  • http://{BLOCKED}.{BLOCKED}q.com/a.php?626ref1=25&626Name=test&626ref2=9172b&626ref3=ref3&tebugip=&teid=fastconnect1&tuid=tuid

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 1.993.00
FIRST VSAPI PATTERN DATE: 23 Aug 2018
VSAPI OPR PATTERN File: 1.994.00
VSAPI OPR PATTERN Date: 24 Aug 2018

Scan your computer with your Trend Micro product to delete files detected as ADW_YEABESTS. 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 the following Trend Micro Support pages for more information:


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