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TROJ_MDROP.VN

October 09, 2012
 Analysis by: Michael Cabel
 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

  OVERVIEW


This Trojan may arrive bundled with malware packages as a malware component. It may be dropped by other malware.

It may be injected into processes running in memory.

  TECHNICAL DETAILS

File Size:

30,598 bytes

File Type:

DLL

Initial Samples Received Date:

16 Jun 2011

Payload:

Connects to URLs/IPs

Arrival Details

This Trojan may arrive bundled with malware packages as a malware component.

It may be dropped by other malware.

Installation

This Trojan may be injected into processes running in memory.

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}s.com/query.dll?0212387977abc787cdef87898123

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

8.228.03

FIRST VSAPI PATTERN DATE:

16 Jun 2011

VSAPI OPR PATTERN File:

8.229.00

VSAPI OPR PATTERN Date:

16 Jun 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 and note files detected as TROJ_MDROP.VN

Step 3

Restart in Safe Mode

[ Learn More ]

Step 4

Search and delete the file detected as TROJ_MDROP.VN

[ 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 5

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