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TROJ_TARODROP.YH

March 08, 2016
 Analysis by: Jennifer Gumban
 ALIASES:

Exp.CVE-2014-7247(Norton), Win32/Exploit.CVE-2014-7247.B trojan(Eset)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Via email, Downloaded from the Internet


This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users. It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It contains errors in its code. This stops it from performing its routines. It takes advantage of certain vulnerabilities.

  TECHNICAL DETAILS

File Size:

286,775 bytes

File Type:

JTD

Memory Resident:

No

Initial Samples Received Date:

07 Nov 2014

Arrival Details

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

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

Other Details

This Trojan contains errors in its code. This stops it from performing its routines.

It takes advantage of the following vulnerabilities:

NOTES:

This Trojan exploits CVE-2014-7247, a vulnerability found in several Ichitaro products. However, it encounters error in its code.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

11.262.02

FIRST VSAPI PATTERN DATE:

07 Nov 2014

VSAPI OPR PATTERN File:

11.263.00

VSAPI OPR PATTERN Date:

08 Nov 2014

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

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

Step 3

Download and apply this security patch Refrain from using these products until the appropriate patches have been installed. Trend Micro advises users to download critical patches upon release by vendors.


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