WORM_CONFICK.DAM

February 13, 2013
 Analysis by: Anthony Joe Melgarejo
 ALIASES:

Suspicious.Vundo.2 (Symantec), Worm.Win32.Downadup (Ikarus), Win32/Conficker.X worm (ESET)

 PLATFORM:

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

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size:

173,318 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

07 Feb 2013

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

NOTES:

This is the Trend Micro detection for damaged samples of WORM_CONFICK variants. These samples have coding errors that prevent them from properly executing their routines.

  SOLUTION

Minimum Scan Engine:

9.300

FIRST VSAPI PATTERN FILE:

9.712.07

FIRST VSAPI PATTERN DATE:

07 Feb 2013

VSAPI OPR PATTERN File:

9.713.00

VSAPI OPR PATTERN Date:

07 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

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