BKDR_SMALL.CON

October 08, 2012
 Analysis by: Marfel Tiamzon
 ALIASES:

Kaspersky: Backdoor.Win32.Small.jul ; Symantec: Backdoor.Badpuck

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • 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.

  TECHNICAL DETAILS

File Size:

28,672 bytes

File Type:

PE

Memory Resident:

Yes

Initial Samples Received Date:

11 Jan 2011

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 does the following:

  • It gets the following system information:
    • Computer name
    • User name
    • Host name
    • OS information
  • It may send and receive information via TCP/IP.

  SOLUTION

Minimum Scan Engine:

8.900

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

Scan your computer with your Trend Micro product to delete files detected as BKDR_SMALL.CON. 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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