JAVA_DLOADR.C
Windows 2000, XP, Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This Trojan takes advantage of unknown vulnerabilities in certain software to download malicious files. It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
TECHNICAL DETAILS
Download Routine
This Trojan takes advantage of unknown vulnerabilities in the following software to download malicious files:
- Java Runtime Environment (CVE-2010-0840)
It saves the files it downloads using the following names:
- %User Temp%\{random file name}.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.
Other Details
For more information on the aforementioned vulnerabilities, please see the following pages:
NOTES:
Based on analysis of the codes, it has the following capabilities:
- It downloads from the URLs specified in its parameter id.
SOLUTION
NOTES:
Trend customers:
Keep your pattern and scan engine files updated. Trend Micro antivirus software can clean or remove most types of computer threats. Malware, though, such as Trojans, scripts, overwriting viruses and joke programs which are identified as uncleanable, should simply be deleted.
All Internet users:
- Use HouseCall - the Trend Micro online threat scanner to check for malware that may already be on your PC.
- Catch malware/grayware before they affect your PC or network. Secure your Web world with Trend Micro products that offer the best anti-threat and content security solutions for home users, corporate users, and ISPs. Go here for more information on Trend Micro products that fit your needs.
Did this description help? Tell us how we did.