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TROJ_CODECPAY.AY
Malware type: Trojan
Destructive: No
Platform: Windows 2000, XP, Server 2003
In the wild: Yes

Overview


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

It executes then deletes itself afterward.

Technical Details


File size: 60,416 bytes
File type: PE
Memory resident: No
Initial samples received date: 30 Sep 2010
Payload: Downloads files

Arrival Details

This Trojan may be unknowingly downloaded by a user while visiting the following malicious websites:

  • http://{BLOCKED}l.com/loja/media/install.48728.exe

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

Installation

This Trojan executes then deletes itself afterward.

Other Details

Based on analysis of the codes, it has the following capabilities:

  • After a successful connection to the websites, it sends the following HTTP POST request:
  • POST /sd56c1d56sc1d56sc.php?e=v22My2e6HdChUjZmvVFHEeE2PuPsctM6PdFWTH11KB0CWwXTiUHUzGr1BVrHIQqMgMqV7J5AcAiBMF4cAHrzbY+RtufQpaX/N/trve7rlQ== HTTP/1.1
  • It sends the following data with the POST request:
  • data=qSrTzGL0RKw4GY9mJFkDROdjM+jjatV/LMMCFSQ0dhYv1VctgZaGiWDlCDHPcEXTw5XD+tsiIUCGOxQlVUyDbezD67GE5vqnba854vTzxzPkEBD7B+h16vA4nohze70lEb1eQrTYhqW7R9HXLS9Rwyq9917C25FKoSwSDg43OeYr3w==

It attempts to access the following websites to download files, which are possibly malicious:

  • http:// {BLOCKED}ishingarts.com
  • http://{BLOCKED}ationarts.com
  • http://{BLOCKED}rtsworld.com

Solution


Minimum scan engine: 8.900
VSAPI Pattern File: under testing

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 TROJ_CODECPAY.AY. 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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