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TROJ_DLOADER.CHN

October 08, 2012
 Analysis by: Christopher Daniel So
 PLATFORM:

Windows 2000, XP, Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW


However, as of this writing, the said sites are inaccessible.

It is a component of other malware.

It connects to certain URLs. It may do this to remotely inform a malicious user of its installation. It may also do this to download possibly malicious files onto the computer, which puts the computer at a greater risk of infection by other threats.

  TECHNICAL DETAILS

File Size:

34,304 bytes

File Type:

DLL

Memory Resident:

Yes

Initial Samples Received Date:

22 Sep 2010

Arrival Details

However, as of this writing, the said sites are inaccessible.

Installation

This Trojan is a component of other malware.

Download Routine

This Trojan connects to the following malicious URLs:

  • http://{BLOCKED}.{BLOCKED}5.233.32/e525.gif
  • http://{BLOCKED}.{BLOCKED}5.233.32/e514.gif
  • http://{BLOCKED}.{BLOCKED}5.233.32/e511.gif
  • http://{BLOCKED}.{BLOCKED}5.233.32/count.php?{random}

  SOLUTION

Minimum Scan Engine:

8.900

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_DLOADER.CHN

Step 3

Restart in Safe Mode

[ Learn More ]

Step 4

Search and delete the file detected as TROJ_DLOADER.CHN

[ 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.


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