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Threat Encyclopedia

OSX_FLASHBCK.DL

ANALYSIS BY

Christopher Daniel So


PLATFORM:

Mac OS X

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:

9.200

FIRST VSAPI PATTERN FILE:

8.800.05

FIRST VSAPI PATTERN DATE:

26 Feb 2012

VSAPI OPR PATTERN File:

8.801.00

VSAPI OPR PATTERN Date:

26 Feb 2012

Step 1

Remove the malware/grayware file that dropped/downloaded OSX_FLASHBCK.DL

Step 2

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

NOTES:

To delete the downloaded file:

  1. Open a Terminal window. To open a terminal window, double-click Applications > Utilities > Terminal in Finder.
  2. In the Terminal window, type the following command:
    rm /tmp/.tdem
  3. Close Terminal by pressing ⌘ (Command) + Q.


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