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TROJ_GAMETHIEF_0000012.TOMA

April 08, 2013
 ALIASES:

Backdoor:Win32/Hupigon.gen!H, TrojanDownloader:Win32/Delf (Microsoft); Generic Dropper.hv (McAfee); Trojan Horse (Symantec); Backdoor.Win32.Hupigon.orxq (Kaspersky); Backdoor.Generic.231923 (FSecure)

 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:

1,425,600 bytes

File Type:

EXE

Initial Samples Received Date:

01 Oct 2011

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.

Dropping Routine

This Trojan drops the following files:

  • %System%.exe
  • %System%\system.exe
  • %System Root%\ľÂíÃâɱÆ÷£¨Ò»¼üÃâɱ£©.exe
  • %Windows%\Etool.exe

(Note: %System% is the Windows system folder, which is usually C:\Windows\System32.. %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %Windows% is the Windows folder, which is usually C:\Windows.)

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.200

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

Search and delete these files

[ Learn More ]
There may be some component files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden files and folders in the search result.
  • %System%.exe
  • %System%\system.exe
  • %System Root%\ľÂíÃâɱÆ÷£¨Ò»¼üÃâɱ£©.exe
  • %Windows%\Etool.exe

Step 3

Scan your computer with your Trend Micro product to delete files detected as TROJ_GAMETHIEF_0000012.TOMA. 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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