TROJ_SFXPOISN.A
Backdoor:Win32/Poisonivy.E (Microsoft)
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan is a self-extracting archive (RAR SFX) that is configured to install components to a system.
This Trojan arrives as attachment to mass-mailed email messages.
It executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.
TECHNICAL DETAILS
135,794 bytes
No
26 Jul 2011
Arrival Details
This Trojan arrives as attachment to mass-mailed email messages.
Installation
This Trojan drops the following file(s)/component(s):
- %User Temp%\ophcrack.txt - encrypted component
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.)
Dropping Routine
This Trojan drops the following files:
- %User Temp%\t120k.exe - detected as BKDR_POISON.AKO
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003.)
It executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.
NOTES:
It is a self-extracting archive (RAR SFX) that is configured to install the above-mentioned components to a system.
SOLUTION
9.200
8.312.11
26 Jul 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
Remove malware files dropped/downloaded by TROJ_SFXPOISN.A
- BKDR_POISON.AKO
Step 3
Search and delete this file
- %User Temp%\ophcrack.txt
Step 4
Scan your computer with your Trend Micro product to delete files detected as TROJ_SFXPOISN.A. 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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