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PTCH_METEIT.A

October 09, 2012
 ALIASES:

Virus:Win32/Meteit.B (Microsoft); Troj/Patched-AO (Sophos)

 PLATFORM:

Windows 2000, Windows XP, Windows 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:

1,281,536 bytes

File Type:

DLL

Memory Resident:

Yes

Initial Samples Received Date:

14 Feb 2012

NOTES:

This malware may arrive as a legitimate Microsoft DLL file that has been altered by another malware as an autostart mechanism.

Upon execution, it attempts to execute the following Microsoft files which may have also been previously compromised by the main malware:

  • %System%\srvsvc.dll,ServiceMain
  • %System%\stobject.dll,DllGetClassObject

It attempts to connect to the following possibly malicious URL:

  • http://{BLOCKED}ove.me/

  SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

8.776.07

FIRST VSAPI PATTERN DATE:

14 Feb 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 to delete files detected as PTCH_METEIT.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.

Step 3

Restore these deleted files from backup

*Note: Only Microsoft-related keys/values will be restored. If this malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.

 %System%\MSXML3.dll


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