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Threat Encyclopedia

TROJ_WIPMBR.A

ANALYSIS BY

Christopher Daniel So


PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type:Trojan

  • Destructiveness:No

  • Encrypted:

  • In the wild: Yes

OVERVIEW

TECHNICAL DETAILS

SOLUTION

Minimum Scan Engine:

9.200

VSAPI OPR PATTERN File:

9.331.00

VSAPI OPR PATTERN Date:

17 Aug 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

Remove malware/grayware files that dropped/downloaded TROJ_WIPMBR.A

Step 3

Identify files detected as TROJ_WIPMBR.A, then restore the Master Boot Record and delete malware files using Recovery Console

[ Learn More ]

Step 4

Search and delete this file

[ Learn More ]
There may be some component files 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.
  • %System%\Drivers\drdisk.sys

Step 5

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

Restore files from backup Only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on your computer again.


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