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JS_SPRATS.EUU

May 24, 2016
 Analysis by: Janus Agcaoili
 ALIASES:

Backdoor.Java.JSP.l (Kaspersky), Backdoor.Java.JSP (Ikarus), JSP/BackDoor.a (McAfee)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan may be hosted on a website and run when a user accesses the said website.

It requires its main component to successfully perform its intended routine.

  TECHNICAL DETAILS

File Size:

7,144 bytes

File Type:

JS

Initial Samples Received Date:

06 May 2016

Arrival Details

This Trojan may be hosted on a website and run when a user accesses the said website.

Other Details

This Trojan requires its main component to successfully perform its intended routine.

It does the following:

  • It executes functions depending on the parameters passed on to it.

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

12.510.05

FIRST VSAPI PATTERN DATE:

16 May 2016

VSAPI OPR PATTERN File:

12.511.00

VSAPI OPR PATTERN Date:

17 May 2016

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Close all opened browser windows

Step 3

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