Analysis by: Jennifer Gumban
ALIASES:

a variant of SWF/Exploit.CVE-2016-4117.A trojan, a variant of SWF/Exploit.CVE-2016-4117.A trojan (NOD32); Exploit.SWF.CVE-2016-4117.A (Bitdefender)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

This Trojan executes when a user accesses certain websites where it is hosted.

  TECHNICAL DETAILS

Tamaño del archivo 52,568 bytes
Tipo de archivo SWF
Residente en memoria No
Fecha de recepción de las muestras iniciales 24 May 2016

Arrival Details

This Trojan executes when a user accesses certain websites where it is hosted.

This malware arrives via the following means:

  • component of an exploit kit
  • via http://81q0k1sfel3a9.{BLOCKED}ds.top/f3a13218f7b635df39e522ae4cbcfb42?win%2021,0,0,213

Other Details

For more information on the aforementioned vulnerabilities, please see the following pages:

It does the following:

  • Uses the exploit to pages that is installed with Flash version of up to 21.0.0.213.

  SOLUTION

Motor de exploración mínimo 9.800
Primer archivo de patrones de VSAPI 12.546.06
Primera fecha de publicación de patrones de VSAPI 24 May 2016
Versión de patrones OPR de VSAPI 12.547.00
Fecha de publicación de patrones OPR de VSAPI 25 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

Scan your computer with your Trend Micro product to delete files detected as SWF_CVE20164117.A. 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.

Step 4

Download and apply this security patch Refrain from using these products until the appropriate patches have been installed. Trend Micro advises users to download critical patches upon release by vendors.


Did this description help? Tell us how we did.