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JS_SHELLCODE.SML

October 08, 2012
 Analysis by: Christopher Daniel So
 PLATFORM:

Windows 2000, XP, Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW


This Trojan is a specially crafted PDF file which when viewed or executed, may allow a malicious user to take control over an affected system.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

PDF

Memory Resident:

No

Initial Samples Received Date:

18 Aug 2010

Other Details

This specially crafted PDF file contains the following, which when viewed or executed, may allow a malicious user to take control over an affected system:

  • variable encrypted code

  SOLUTION

Minimum Scan Engine:

8.900

VSAPI PATTERN File:

7.397.00

VSAPI PATTERN Date:

20 Aug 2010

VSAPI PATTERN Date:

8/20/2010 12:00:00 AM

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

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