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Threat Encyclopedia

HTML_RANSOM.CMY

ANALYSIS BY

Christopher Daniel So


ALIASES:

HTML/Ransom.A trojan (NOD32)

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

Infection Channel:

Downloaded from the Internet


This is an HTML file that displays a ransom message.

This Trojan may be downloaded by other malware/grayware from remote sites.

TECHNICAL DETAILS

File Size:

5,077 bytes

File Type:

HTML, HTM

Initial Samples Received Date:

28 Sep 2012

Payload:

Displays message

Arrival Details

This Trojan may be downloaded by the following malware/grayware from remote sites:

  • TROJ_RANSOM.CMY

It may be downloaded from the following remote site(s):

  • http://{random characters}.{BLOCKED}ilesexchnges.su/get.php?id=2

NOTES:

This is an HTML file that displays the following:

SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

9.428.07

FIRST VSAPI PATTERN DATE:

29 Sep 2012

VSAPI OPR PATTERN File:

9.429.00

VSAPI OPR PATTERN Date:

29 Sep 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 the malware/grayware file that dropped/downloaded HTML_RANSOM.CMY

Step 3

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