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JS_AGENT.OIG

October 09, 2012
 Analysis by: Erika Bianca Mendoza
 Modified by: Roland Marco Dela Paz
 ALIASES:

Symantec : Trojan.Maljava; Sophos : Mal/JavaHeL-P

 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


This Trojan arrives as a component bundled with malware/grayware packages. It may be hosted on a website and run when a user accesses the said website.

  TECHNICAL DETAILS

File Size:

870 bytes

File Type:

Java Class

Memory Resident:

No

Initial Samples Received Date:

11 May 2011

Arrival Details

This Trojan arrives as a component bundled with malware/grayware packages.

It may be hosted on a website and run when a user accesses the said website.

NOTES:
It is a part of a malware bundle that downloads and executes possibly malicious file(s) from the internet. It requires other components in order to successfully perform the said routine.

  SOLUTION

Minimum Scan Engine:

8.900

FIRST VSAPI PATTERN FILE:

8.151.00

FIRST VSAPI PATTERN DATE:

11 May 2011

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 JS_AGENT.OIG. 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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