TROJ_INJECT.DO

October 08, 2012
 Analysis by: Michael Cabel
 Modified by: Erika Bianca Mendoza
 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


  TECHNICAL DETAILS

File Size:

Varies

File Type:

PE

Memory Resident:

No

Initial Samples Received Date:

11 Feb 2011

Installation

This Trojan adds the following mutexes to ensure that only one of its copies runs at any one time:

  • ZZ8343E32F64b1fA50C77B99F5A2C14

Other Details

This Trojan does the following:

  • Executes the following file:
    • %Windows%\explorer.exe
  • Displays a message box containing the details below:

    Title: Command
    Content: %Windows%\explorer.exe -d %Current%\2e9ec98a-7eea-4ac2-804e-065a14288cc2.dll

(Note: %Windows% is the Windows folder, which is usually C:\Windows or C:\WINNT.)

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

7.862.02

FIRST VSAPI PATTERN DATE:

28 Feb 2011

VSAPI OPR PATTERN File:

7.889.00

VSAPI OPR PATTERN Date:

09 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_INJECT.DO. 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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