Analysis by: Maureen Reyes
ALIASES:

HEUR:AdWare.OSX.Cimpli.b (Kaspersky), OSX.Trojan.Gen (Norton)

 PLATFORM:

MacOS

 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. It may be unknowingly downloaded by a user while visiting malicious websites.

However, as of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size: 621,951 bytes
File Type: Other
Memory Resident: Yes
Initial Samples Received Date: 02 Sep 2019

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 unknowingly downloaded by a user while visiting malicious websites.

Other Details

This Adware connects to the following possibly malicious URL:

  • http://cdn.{BLOCKED}eapps.com

It does the following:

  • When mounted, it contains the following macho file which serves as its main executable:
    Installer.app\Contents\MacOS\mac
  • The app bundle inside the DMG file pretends to be an installer for Adobe Flash
  • Arrives as a DMG file
  • While running as a process, it displays its bundlename as FlashPlayerInstaller

However, as of this writing, the said sites are inaccessible.

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 15.342.05
FIRST VSAPI PATTERN DATE: 03 Sep 2019
VSAPI OPR PATTERN File: 15.343.00
VSAPI OPR PATTERN Date: 04 Sep 2019

Scan your computer with your Trend Micro product to delete files detected as Adware.MacOS.Climpli.PFL. 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:

NOTES:

Manual Cleanup:

  1. On your Taskbar, select Go and select “Go to Folder”
  2. Type “/Applications/Utilities”
  3. On the opened directory, select the app “Activity Monitor” and double-click
  4. Once opened, type “FlashPlayerInstaller” in the search field
  5. Once found, left-click the process and select “quit”
  6. Close the “Activity Monitor”

Unmounting the DMG:

  1. On your Taskbar, select Go and select “Go to Folder”
  2. Type “/Volumes”
  3. Select the “Player” drive and right-click
  4. Select the option Eject


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