TROJ_ARTIEF.JEJOTI

 Analysis by: Cris Nowell Pantanilla

 ALIASES:

Exploit.Win32.CVE-2012-0158.aw (Kaspersky), Win32/Exploit.CVE-2012-0158.ADI (ESET-NOD32)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

  TECHNICAL DETAILS

File Size:

8,345 bytes

File Type:

RTF

Memory Resident:

No

Initial Samples Received Date:

08 Feb 2017

Arrival Details

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

Download Routine

This Trojan connects to the following website(s) to download and execute a malicious file:

  • http://{BLOCKED}ip.email/beta.exe

It saves the files it downloads using the following names:

  • %User Temp%\bb.com

It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

13.208.03

FIRST VSAPI PATTERN DATE:

08 Feb 2017

VSAPI OPR PATTERN File:

13.209.00

VSAPI OPR PATTERN Date:

09 Feb 2017

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

Search and delete these files

[ Learn More ]
There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.  %User Temp%\bb.com

Step 3

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