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TROJ_INJECTO.ATP

November 12, 2012
 Analysis by: Rhena Inocencio
 ALIASES:

W32/Rimecud.Y2.gen!Eldorado (FProt)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size:

65,536 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

06 Nov 2012

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Autostart Technique

This Trojan adds the following registry entries to enable its automatic execution at every system startup:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
AdobeJ2EE PPLOSrv = "{Malware Path and File Name}"

Other System Modifications

This Trojan adds the following registry keys:

HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications

HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\
Antonie_Baker

HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\
Antonie_Baker\Recent File List

HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\
Antonie_Baker\Settings

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}pin.{BLOCKED}2.org

  SOLUTION

Minimum Scan Engine:

9.300

FIRST VSAPI PATTERN FILE:

9.510.03

FIRST VSAPI PATTERN DATE:

06 Nov 2012

VSAPI OPR PATTERN File:

9.511.00

VSAPI OPR PATTERN Date:

07 Nov 2012

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 and note files detected as TROJ_INJECTO.ATP

Step 3

Restart in Safe Mode

[ Learn More ]

Step 4

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
    • AdobeJ2EE PPLOSrv = "{Malware Path and File Name}"

Step 5

Delete this registry key

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

 
  • HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\Antonie_Baker\
    • Recent File List
  • HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\Antonie_Baker\
    • Settings
  • HKEY_CURRENT_USER\Software\Local AppWizard-Generated Applications\
    • Antonie_Baker
  • HKEY_CURRENT_USER\Software\
    • Local AppWizard-Generated Applications

Step 6

Search and delete the file detected as TROJ_INJECTO.ATP

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden files in the search result.

Step 7

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_INJECTO.ATP. 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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