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TROJ_MEDFOS.KDH

September 07, 2013
 Analysis by: Anthony Joe Melgarejo
 ALIASES:

W32/Medfos.IOE (Fortinet)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This Trojan may be downloaded by other malware/grayware/spyware from remote sites.

It executes then deletes itself afterward.

  TECHNICAL DETAILS

File Size:

194,048 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

20 Jun 2013

Arrival Details

This Trojan may be downloaded by other malware/grayware/spyware from remote sites.

Installation

This Trojan executes then deletes itself afterward.

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}.131.151/uploading/id=546371633&u=4WSbvjA+sJYdYTrMmxr7tGGmeIx/mTtuSnuEwRCKacviRtjYIg2xcqQMAWYaZM4RqxalcusDRHEPXz3ue+r1ww==
  • http://cdn162.{BLOCKED}oupload.net

  SOLUTION

Minimum Scan Engine:

9.300

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 delete files detected as TROJ_MEDFOS.KDH. 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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