Analysis by: Christopher Daniel So

ALIASES:

Exploit.Linux.Lotoor.au (Kaspersky)

 PLATFORM:

Linux

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan may arrive bundled with malware packages as a malware component. It may be dropped by other malware.

  TECHNICAL DETAILS

File Size: Varies
File Type: ELF
Initial Samples Received Date: 07 Jun 2012

Arrival Details

This Trojan may arrive bundled with malware packages as a malware component.

It may be dropped by other malware.

NOTES:

This Trojan copies /data/data/com.unstableapps.easyroot/files/su to /system/bin/su and /data/data/com.unstableapps/easyroot/files/Superuser.apk to /system/app/Superuser.apk. It sets the permissions of /system/bin/su to 04775 and /system/app/Superuser.apk to 04744.

It drops the following files:

  • {malware path}/loading
  • {malware path}/hotplug

It creates the symbolic link {malware path}/data pointing to /proc/sys/kernel/hotplug.