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Threat Encyclopedia

JAVA_JACKSBOT.A

ANALYSIS BY

Mark Joseph Manahan


ALIASES:

Java/Jacksbot.A trojan (Eset), Java.Jacksbot, Java.Jacksbot (Ikarus)

PLATFORM:

Windows 2000, Windows XP, Windows Server 2003, Windows 7, Mac , Linux

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

  • Threat Type:Backdoor

  • Destructiveness:No

  • Encrypted: No

  • In the wild: Yes

OVERVIEW

TECHNICAL DETAILS

SOLUTION

Minimum Scan Engine:

9.300

FIRST VSAPI PATTERN FILE:

9.468.04

FIRST VSAPI PATTERN DATE:

18 Oct 2012

VSAPI OPR PATTERN File:

9.469.00

VSAPI OPR PATTERN Date:

19 Oct 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

Restart in Safe Mode

[ Learn More ]

Step 3

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.


  • In HKEY_CURRENT_USER\Microsoft\Windows\CurrentVersion\Run
    • Microsoft® Windows® Operating System = "{Java Root Directory}\bin\javaw.exe -jar "{Malware Path and Filename}""

Step 4

Restart in normal mode and scan your computer with your Trend Micro product for files detected as JAVA_JACKSBOT.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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