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BKDR_FARFLI.XVAM

March 25, 2015
 ALIASES:

Trojan:Win32/Dynamer!ac (Microsoft); Backdoor.Win32.Farfli.iyh (Kaspersky); Trojan.Farfli!eDaenB7Cpcc (Agnitum)

 PLATFORM:

Windows

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted: Yes

  • 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 may be dropped by other malware.

  TECHNICAL DETAILS

File Size:

92,291 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

15 Feb 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.

It may be dropped by other malware.

Installation

This backdoor drops the following copies of itself into the affected system:

  • %System Root%\1.exe

(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)

Mobile Malware Routine

This backdoor accesses the following possibly malicious URL(s):

  • http://{BLOCKED}angwang.f3322.org

  SOLUTION

Minimum Scan Engine:

9.750

FIRST VSAPI PATTERN FILE:

11.492.01

FIRST VSAPI PATTERN DATE:

15 Feb 2015

VSAPI OPR PATTERN File:

11.493.00

VSAPI OPR PATTERN Date:

16 Feb 2015

Step 1

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 2

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

Step 3

Terminate a process file/s detected as BKDR_FARFLI.XVAM

[ Learn More ]

*Note: If the detected file/s is/are not displayed in theWindows Task Manager, continue doing the next steps.

Step 4

Scan your computer with your Trend Micro product to delete files detected as
 BKDR_FARFLI.XVAM

*Note: 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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