Analysis by: Rhena Inocencio
 PLATFORM:

Linux

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel: Dropped by other malware, Downloaded from the Internet

This Trojan 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: 435,078 bytes
File Type: ELF
Memory Resident: No
Initial Samples Received Date: 05 Jul 2014
Payload: Deletes files

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

NOTES:

It deletes files located in the following directory:

  • /etc/mtab
  • /boot/

It wipes out the MBR using the following command:

  • /bin/dd if=/dev/zero of={device file} bs=1M

  SOLUTION

Minimum Scan Engine: 9.700

Scan your computer with your Trend Micro product to delete files detected as ELF_KILLMBR.A. 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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