JAVA_DLOADR.RF
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This Trojan arrives as a component bundled with malware/grayware packages.
It requires its main component to successfully perform its intended routine.
TECHNICAL DETAILS
Arrival Details
This Trojan arrives as a component bundled with malware/grayware packages.
Other Details
This Trojan requires its main component to successfully perform its intended routine.
NOTES:
This is a .class component of a malicious Java archive file (.JAR) which attempts to download and execute a possibly malicious file from a certain website. The URL where this malware downloads the said file depends on the parameter passed on to it by its components.
It saves the file it downloads in the %User Temp% folder. Routines of the downloaded file may be exhibited in the affected system as a result of its downloading capability.
(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.)
SOLUTION
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
Close all opened browser windows
Step 3
Scan your computer with your Trend Micro product to delete files detected as JAVA_DLOADR.RF. 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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