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TROJ_VUNDO.FIW

November 05, 2012
 ALIASES:

Trojan:Win32/Vundo.gen!AV (Microsoft), Trojan.Vundo!gen9 (Symantec), Win32/Kryptik.LXF trojan (ESET), Trojan.Win32.Kryptik.laq (Sunbelt), W32/Kryptik.ANL!tr (Fortinet), W32/Virtumonde.CH.gen!Eldorado (FProt)

 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

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. It arrives as a component bundled with malware/grayware packages.

It requires its main component to successfully perform its intended routine.

  TECHNICAL DETAILS

File Size:

122,368 bytes

File Type:

DLL

Memory Resident:

No

Initial Samples Received Date:

02 Nov 2012

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.

It arrives as a component bundled with malware/grayware packages.

Other Details

This Trojan requires its main component to successfully perform its intended routine.

It requires the existence of the following files to properly run:

  • %Windows%\sys

(Note: %Windows% is the Windows folder, which is usually C:\Windows or C:\WINNT.)

  SOLUTION

Minimum Scan Engine:

9.300

FIRST VSAPI PATTERN FILE:

9.502.02

FIRST VSAPI PATTERN DATE:

02 Nov 2012

VSAPI OPR PATTERN File:

9.503.00

VSAPI OPR PATTERN Date:

03 Nov 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

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