PE_EXPIRO.ER

October 15, 2013

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 Analysis by: Kathleen Notario

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 PLATFORM:

Windows 2000, XP, Server 2003

 OVERALL RISK RATING:

 DAMAGE POTENTIAL:

 DISTRIBUTION POTENTIAL:

 REPORTED INFECTION:

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

  OVERVIEW

This file infector infects by appending its code to target host files.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

03 Aug 2010

Payload:

Modifies files

File Infection

This file infector infects the following file types:

• EXE

It infects by appending its code to target host files.

Other Details

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

• After it performs its infection routine, it returns the control to the host file to execute it.

  SOLUTION

Minimum Scan Engine:

8.900

VSAPI OPR PATTERN File:

7.362.08

VSAPI OPR PATTERN Date:

04 Aug 2010

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 clean files detected as PE_EXPIRO.ER. 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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