Analysis by: Maureen Reyes
 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

Canal de infección Dropped by other malware, Downloaded from the Internet

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It does not have any file infection routine.

It does not have any propagation routine.

It does not have any backdoor routine.

It does not have any information-stealing capability.

  TECHNICAL DETAILS

Tamaño del archivo 18,497 bytes
Tipo de archivo CHM
Residente en memoria Yes
Fecha de recepción de las muestras iniciales 11 Jul 2019
Carga útil Connects to URLs/IPs, Displays windows

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Infection Points

This Trojan does not have any file infection routine.

Propagation

This Trojan does not have any propagation routine.

Backdoor Routine

This Trojan does not have any backdoor routine.

Rootkit Capabilities

This Trojan does not have rootkit capabilities.

Download Routine

This Trojan accesses the following websites to download files:

  • https://bit.ly/{BLOCKED}x, which redirects to:
    http://data.{BLOCKED}ews.club:8080/open?id=mFUbNFblIJmSb9c%2BJEXIr5pN2CfgrYUlLghqsNVHd%2Bo%3D

Information Theft

This Trojan does not have any information-stealing capability.

Other Details

This Trojan does the following:

  • Displays the following window:

NOTES:

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

It does not exploit any vulnerability.

  SOLUTION

Motor de exploración mínimo 9.850
Primer archivo de patrones de VSAPI 15.230.02
Primera fecha de publicación de patrones de VSAPI 12 Jul 2019
Versión de patrones OPR de VSAPI 15.231.00
Fecha de publicación de patrones OPR de VSAPI 13 Jul 2019

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

Scan your computer with your Trend Micro product to delete files detected as Trojan.HTML.DLOADR.VWEF. 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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