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Threat Encyclopedia

JAVA_ARCAL.A

ANALYSIS BY

Rika Joi Gregorio


ALIASES:

Exploit:Java/CVE-2012-0507 (Microsoft)

PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • Threat Type:Trojan

  • Destructiveness:No

  • Encrypted: Yes

  • In the wild: Yes

OVERVIEW

TECHNICAL DETAILS

SOLUTION

Minimum Scan Engine:

9.300

FIRST VSAPI PATTERN FILE:

9.756.01

FIRST VSAPI PATTERN DATE:

27 Feb 2013

VSAPI OPR PATTERN File:

9.757.00

VSAPI OPR PATTERN Date:

28 Feb 2013

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Remove malware/grayware files dropped/downloaded by JAVA_ARCAL.A

Step 3

Close all opened browser windows

Step 4

Search and delete these components

[ Learn More ]
There may be some components that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %User Profile%\awt43abr.exe
  • %User Profile%\berstrestvers.exe
  • %User Profile%\bawt34tv.exe
  • %User Profile%\tab4vrtve.exe
  • %User Profile%\wgsdgsdgdsgsd.exe
  • %User Profile%\ab43yctewatv.exe
  • %User Profile%\a43vtzgbdgv.exe
  • %User Profile%\atv4tvq34.exe
  • %User Profile%\bg34dfbewgba4.exe
  • %User Profile%\av4a43by4ayb.exe

Step 5

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

Step 6

Download and apply this security patch Refrain from using these products until the appropriate patches have been installed. Trend Micro advises users to download critical patches upon release by vendors.


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