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TSPY_BESTAFERA.ENC

May 10, 2017
 ALIASES:

Trojan-Banker.Win32.BestaFera.zgd (Kaspersky)

 PLATFORM:

Windows

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

  • Threat Type: Trojan Spy

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan Spy 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 requires its main component to successfully perform its intended routine. This is the Trend Micro detection for files that exhibit certain behaviors.

  TECHNICAL DETAILS

File Type:

Other

Memory Resident:

No

Initial Samples Received Date:

21 Mar 2017

Arrival Details

This Trojan Spy 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.

Other Details

This Trojan Spy requires its main component to successfully perform its intended routine.

This is the Trend Micro detection for:

  • Encrypted TSPY_BESTAFERA malware family.

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

13.322.08

FIRST VSAPI PATTERN DATE:

06 Apr 2017

VSAPI OPR PATTERN File:

13.323.00

VSAPI OPR PATTERN Date:

07 Apr 2017

Step 1

Scan your computer with your Trend Micro product to delete files detected as TSPY_BESTAFERA.ENC. 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 2

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


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