TROJ_BEDEP.YWB

June 27, 2015

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 Analysis by: David John Agni

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 ALIASES:

Win32/Bedep.D (ESET-NOD32), W32/Bedep.D!tr (Fortinet), Backdoor.Win32.Bedep.ajn (Kaspersky), Backdoor:Win32/Bedep.A (Microsoft)

 PLATFORM:

Windows

 OVERALL RISK RATING:

 DAMAGE POTENTIAL:

 DISTRIBUTION POTENTIAL:

 REPORTED INFECTION:

 INFORMATION EXPOSURE:

• 
  Threat Type: Backdoor
• 
  Destructiveness: No
• 
  Encrypted:
• 
  In the wild: Yes

  OVERVIEW

This backdoor 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.

  TECHNICAL DETAILS

File Size:

278528 bytes

File Type:

DLL

Memory Resident:

No

Initial Samples Received Date:

16 Jun 2015

Arrival Details

This backdoor 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 backdoor requires its main component to successfully perform its intended routine.

  SOLUTION

Minimum Scan Engine:

9.750

FIRST VSAPI PATTERN FILE:

11.736.05

FIRST VSAPI PATTERN DATE:

17 Jun 2015

VSAPI OPR PATTERN File:

11.737.00

VSAPI OPR PATTERN Date:

18 Jun 2015

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 TROJ_BEDEP.YWB. 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.

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