JAVA_BLACOLE.BBT
Windows 2000, Windows XP, Windows Server 2003
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This is the Trend Micro detection for a Java class that exploits a certain vulnerability in Java Runtime Environment. It is part of the Blackhole Exploit kit.
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It arrives as a component bundled with malware/grayware packages.
It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
TECHNICAL DETAILS
Varies
Java Class
20 Jun 2012
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It arrives as a component bundled with malware/grayware packages.
Download Routine
This Trojan saves the files it downloads using the following names:
- %User Temp%\{random}.exe
(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 then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
NOTES:
This is the Trend Micro detection for a Java class that exploits a certain vulnerability in Java Runtime Environment. It is part of the Blackhole Exploit kit.
This Trojan downloads a possibly malicious file from a certain URL. The URL where this it downloads the said file depends on the parameter passed on to it by its components.
SOLUTION
9.200
9.206.04
20 Jun 2012
9.207.00
21 Jun 2012
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_BLACOLE.BBT. 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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