X97M_ECSYSTEM.A

October 08, 2012

• Email
• Facebook
• 
  Twitter
• Google+
• Linkedin

---

 PLATFORM:

Windows 98, ME, NT, 2000, XP, Server 2003

 OVERALL RISK RATING:

 DAMAGE POTENTIAL:

 DISTRIBUTION POTENTIAL:

 REPORTED INFECTION:

• 
  Threat Type: File infector
• 
  Destructiveness: No
• 
  Encrypted:
• 
  In the wild: Yes

  TECHNICAL DETAILS

File Size:

151,552 bytes

File Type:

MACRO

Memory Resident:

No

Initial Samples Received Date:

04 Jun 2009

Other Details

Based on analysis of the codes, it has the following capabilities:

• This macro virus hooks the macro Auto_Open. It first checks for the file ECSYSTEM.xls under XLSTART directory. If it does not exist, it then saves the active workbook as ECSYSTEM.xls in the said directory.
• It infects Microsoft Excel worksheet files by creating a macro module named ECSYSTEM, which contains the virus code.
• It checks for the module ECSYSTEM in target files so that it can avoid reinfecting previous infections.

  SOLUTION

Minimum Scan Engine:

8.900

VSAPI OPR PATTERN File:

6.170.04

VSAPI OPR PATTERN Date:

06 Apr 2009

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 clean files detected as X97M_ECSYSTEM.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.

Did this description help? Tell us how we did.