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RTKT64_NECURS.SM

January 22, 2013
 Analysis by: Anthony Joe Melgarejo
 ALIASES:

Win64/Rootkit.Kryptik.B trojan (NOD32)

 PLATFORM:

Windows Server 2003 (64-bit), Windows XP (64-bit), Windows Vista (64-bit), Windows 7 (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 as a component bundled with malware/grayware packages.

  TECHNICAL DETAILS

File Size:

75,216 bytes

File Type:

SYS

Memory Resident:

Yes

Initial Samples Received Date:

29 Aug 2012

Arrival Details

This Trojan arrives as a component bundled with malware/grayware packages.

NOTES:

It may be installed as a service or loaded by other components. It may be used as an aid in performing the malicious routines of its main components.

  SOLUTION

Minimum Scan Engine:

9.300

VSAPI OPR PATTERN File:

9.359.00

VSAPI OPR PATTERN Date:

30 Aug 2012

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 and note files detected as RTKT64_NECURS.SM

Step 3

Restart in Safe Mode

[ Learn More ]

Step 4

Search and delete the file detected as RTKT64_NECURS.SM

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden files in the search result.

Step 5

Restart in normal mode and scan your computer with your Trend Micro product for files detected as RTKT64_NECURS.SM. 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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