TROJ_XLSDROP.A

October 08, 2012
 Analysis by: Sabrina Lei Sioting
 PLATFORM:

Windows 2000, XP, Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This is the Trend Micro detection for .XLS files that has embedded malicious .SWF that exploits a zero-day vulnerability in Adobe Flash Player 10.2.152.33 and earlier versions.

This Trojan may be unknowingly downloaded by a user while visiting malicious websites.

  TECHNICAL DETAILS

File Size:

177,724 bytes

File Type:

XLS

Initial Samples Received Date:

18 Mar 2011

Arrival Details

This Trojan may be unknowingly downloaded by a user while visiting malicious websites.

Other Details

This Trojan is a zero-day exploit for the following vulnerability:

  • Unspecified vulnerability in Adobe Flash Player

More information on this vulnerability can be found below:

NOTES:

This is the Trend Micro detection for .XLS files that has embedded malicious .SWF that exploits a zero-day vulnerability in Adobe Flash Player 10.2.152.33 and earlier versions.

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

7.910.03

FIRST VSAPI PATTERN DATE:

18 Mar 2011

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 TROJ_XLSDROP.A. 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.

NOTES:

Mitigation

Users are advised to perform mitigation steps found in the following Abode Web page:


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