PHP_ROOPRE.A

October 12, 2014
 ALIASES:

Linux/Roopre.A.Gen (ESET)

 PLATFORM:

Linux, Unix

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This Trojan executes when a user accesses certain websites where it is hosted.

It executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.

  TECHNICAL DETAILS

File Size:

218,298 bytes

File Type:

Script

Initial Samples Received Date:

10 Oct 2014

Arrival Details

This Trojan executes when a user accesses certain websites where it is hosted.

Installation

This Trojan drops the following files:

  • {malware path}\libworker.so - detected as ELF_ROOPRE.A
  • {malware path}\1.sh - executes libworker.so

Dropping Routine

This Trojan executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.

NOTES:

It terminates itself if the Mayhem tool is installed in the system.

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

11.202.02

FIRST VSAPI PATTERN DATE:

10 Oct 2014

VSAPI OPR PATTERN File:

11.203.00

VSAPI OPR PATTERN Date:

11 Oct 2014

Step 1

Remove malware/grayware files dropped/downloaded by PHP_ROOPRE.A. (Note: Please skip this step if the threats listed below have already been removed.)

    • ELF_ROOPRE.A

Step 2

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