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JAVA_PLEXVAJA.A

October 08, 2012
 ALIASES:

Microsoft: Exploit:Java/CVE-2010-0094.T; Kaspersky: Exploit.Java.CVE-2010-0094.b

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Once a malware successfully exploits the vulnerability, it causes certain actions to be done on the system.

This Trojan may arrive bundled with malware packages as a malware component.

It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

  TECHNICAL DETAILS

File Size:

Varies

File Type:

Java Class

Memory Resident:

No

Initial Samples Received Date:

04 Feb 2011

Arrival Details

This Trojan may arrive bundled with malware packages as a malware component.

Download Routine

This Trojan takes advantage of the following software vulnerabilities to download possibly malicious files:

  • Java Runtime Environment(JRE)

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.

NOTES:

Other Details

Once a malware successfully exploits the said vulnerability, it causes the following actions to be done on the system:

  • It attempts to connect to a certain web site to download possibly malicious files.

More information on this vulnerability can be found below:

  SOLUTION

Minimum Scan Engine:

8.900

VSAPI PATTERN File:

7.810.17

VSAPI PATTERN Date:

04 Feb 2011

VSAPI PATTERN Date:

2/4/2011 12:00:00 AM

Scan your computer with your Trend Micro product to delete files detected as JAVA_PLEXVAJA.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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