JAVA_EXPL.NT
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan may arrive bundled with malware packages as a malware component. It may be hosted on a website and run when a user accesses the said website.
TECHNICAL DETAILS
26,746 bytes
Java Class
27 Jan 2012
Arrival Details
This Trojan may arrive bundled with malware packages as a malware component.
It may be hosted on a website and run when a user accesses the said website.
NOTES:
It is capable of downloading and executing a possibly malicious file from a certain URL. As a result, malicious routines of downloaded file are also exhibited on the affected system.
Since this is a .CLASS file , it requires other components (like .JAR package) in order to exhibit its intended routines.
SOLUTION
9.200
8.740.03
28 Jan 2012
8.741.00
29 Jan 2012
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
Close all opened browser windows
Step 3
Scan your computer with your Trend Micro product to delete files detected as JAVA_EXPL.NT. 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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