LNK_KATSOLO.SMD

October 09, 2012

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 Analysis by: Cris Nowell Pantanilla

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 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

Infection Channel:

Dropped by other malware

This is the Trend Micro detection for .LNK files used by BKDR_KATSLO variants as an autostart component.

This Trojan may be dropped by other malware.

  TECHNICAL DETAILS

File Size:

819 bytes

File Type:

LNK

Memory Resident:

No

Initial Samples Received Date:

19 Aug 2012

Arrival Details

This Trojan may be dropped by the following malware:

• BKDR_KATSLO

NOTES:

This is the Trend Micro detection for .LNK files used by BKDR_KATSLO variants as an autostart component. This shortcut file is used to execute copies of BKDR_KATSLO variants once the shortcut is accessed.

  SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

9.334.01

FIRST VSAPI PATTERN DATE:

19 Aug 2012

VSAPI OPR PATTERN File:

9.335.00

VSAPI OPR PATTERN Date:

20 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

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