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TROJ_FAKEPIC.USNA

July 24, 2015
 ALIASES:

Dropper.FakePic (Ikarus); Exploit.LNK.CVE-2010-2568

 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:

Downloaded from the Internet, Dropped by other malware

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

It executes downloaded files whose malicious routines are exhibited by the affected system. As of this writing, the said sites are inaccessible.

It exploits a vulnerability identified as in a zero-day attack.

  TECHNICAL DETAILS

File Size:

23,559 bytes

File Type:

JPG, JPEG

Memory Resident:

Yes

Initial Samples Received Date:

23 Jul 2015

Payload:

Connects to URLs/IPs, Downloads files

Arrival Details

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

Download Routine

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

  • http://e.{BLOCKED}1.in/s/erlogo435f.jpg

It saves the files it downloads using the following names:

  • {malware path}\fs9logo74.gif

It executes downloaded files :

  • rundll32.exe fs9logo74.gif,Setup
whose malicious routines are exhibited by the affected system.

As of this writing, the said sites are inaccessible.

Other Details

This Trojan exploits a zero-day vulnerability. More information on the said vulnerability can be found in the following pages:

  SOLUTION

Minimum Scan Engine:

9.750

FIRST VSAPI PATTERN FILE:

11.808.03

FIRST VSAPI PATTERN DATE:

23 Jul 2015

VSAPI OPR PATTERN File:

11.809.00

VSAPI OPR PATTERN Date:

23 Jul 2015

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

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Scan your computer with your Trend Micro product to delete files detected as TROJ_FAKEPIC.USNA. 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 4

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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