Analysis by: Byron Jon Gelera
ALIASES:

PHP/PhpShell.NBD!tr (Fortinet)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan may arrive bundled with malware packages as a malware component. It 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 hosted on a website and run when a user accesses the said website.

  TECHNICAL DETAILS

Tamaño del archivo 232 bytes
Tipo de archivo PHP
Residente en memoria No
Fecha de recepción de las muestras iniciales 28 Nov 2017

Arrival Details

This Trojan may arrive bundled with malware packages as a malware component.

It 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 hosted on a website and run when a user accesses the said website.

Other Details

This Trojan requires being hosted on a web server in order to proceed with its intended routine.

  SOLUTION

Motor de exploración mínimo 9.850
Primer archivo de patrones de VSAPI 13.810.04
Primera fecha de publicación de patrones de VSAPI 28 Nov 2017
Versión de patrones OPR de VSAPI 13.811.00
Fecha de publicación de patrones OPR de VSAPI 29 Nov 2017

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

Scan your computer with your Trend Micro product to delete files detected as PHP_WEBSHELL.PRV. 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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