Skip to content

Threat Encyclopedia
Export page to PDF
BKDR_VISEL.FQ
Aliases: Dropped:Trojan.Generic.KDV.539088 [FSecure]; Trojan.Win32.Meredrop [Sunbelt]
Malware type: Backdoor
Destructive: No
Platform: Windows 2000, Windows XP, Windows Server 2003
Encrypted: No
In the wild: Yes

Overview


Infection Channel: Dropped by other malware

This backdoor may be dropped by other malware.

It executes commands from a remote malicious user, effectively compromising the affected system. It connects to a website to send and receive information.

Technical Details


File size: 126,422 bytes
File type: EXE
Memory resident: Yes
Initial samples received date: 21 Mar 2012
Payload: Compromises system security

Arrival Details

This backdoor may be dropped by the following malware:

Installation

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

  • %Windows%\Temp\{random}.dat

(Note: %Windows% is the Windows folder, which is usually C:\Windows or C:\WINNT.)

It drops the following files:

  • %User Temp\print32.dll - also detected as BKDR_VISEL.FQ

Backdoor Routine

This backdoor executes the following commands from a remote malicious user:

  • Perform shell command
  • Download and execute files
  • Send system information (IP address, user name, operating system)

It connects to the following websites to send and receive information:

  • {BLOCKED}eip.net

Solution


Minimum scan engine: 9.200
First VSAPI Pattern File: 8.854.05
First VSAPI Pattern Release Date: 21 Mar 2012
VSAPI OPR Pattern Version: 8.855.00
VSAPI OPR Pattern Release Date: 22 Mar 2012

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Remove the malware/grayware file that dropped/downloaded BKDR_VISEL.FQ

    TROJ_ARTIEF.FQ

Step 3

Identify and delete files detected as BKDR_VISEL.FQ using either the Startup Disk or Recovery Console

[ Learn more ]

Step 4

Scan your computer with your Trend Micro product to delete files detected as BKDR_VISEL.FQ . 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.


Did this description help? Tell us how we did.
Analysis By: Sabrina Lei Sioting

Connect with us on