TROJ_INJECT.AMW
Windows 2000, XP, Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
TECHNICAL DETAILS
323,584 bytes
PE
Yes
03 Jul 2009
Installation
This Trojan adds the following folders:
- %system root%\cleansweep.exe
It drops the following copies of itself into the affected system:
- %system root%\cleansweep.exe\cleansweep.exe
It drops the following files:
- %system root%\cleansweep.exe\config.bin
Autostart Technique
This Trojan adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
cleansweep.exe = %system root%\cleansweep.exe\cleansweep.exe
Download Routine
This Trojan downloads an updated copy of itself from the following website(s):
- http://www.{BLOCKED}ctionsupport.org/f/bin/zam.exe
It saves the files it downloads using the following names:
- %system root%\cleansweep.exe\cleansweepupd.exe
Stolen Information
This Trojan sends the gathered information via HTTP POST to the following URL:
- http://www.{BLOCKED}ctionsupport.org/f/gate.php
SOLUTION
8.900
07.446.07
08 Sep 2010
9/8/2010 12:00:00 AM
7.342.01
27 Jul 2010
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
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- cleansweep.exe = %System Root%\cleansweep.exe\cleansweep.exe
- cleansweep.exe = %System Root%\cleansweep.exe\cleansweep.exe
Step 3
Search and delete this folder
Step 4
Scan your computer with your Trend Micro product to delete files detected as TROJ_INJECT.AMW. 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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