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BKDR_TAPAZOM.XORENC

September 19, 2016
 ALIASES:

W32/SelfStarterInternetTrojan!M (F-Protect); W32/SelfStarterInternetTrojan!M (Cyren)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware

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

It does not have any propagation routine.

It requires its main component to successfully perform its intended routine. This is the Trend Micro detection for files that exhibit certain behaviors.

  TECHNICAL DETAILS

File Size:

321,024 bytes

File Type:

DLL

Memory Resident:

No

Initial Samples Received Date:

11 Sep 2014

Arrival Details

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

  • BKDR_TAPAZOM

Propagation

This Trojan does not have any propagation routine.

Other Details

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

This is the Trend Micro detection for:

  • An encrypted DLL component of BKDR_TAPAZOM
  • Requires to be decrypted by its main component in order to perform its malicious backdoor routines
  • Functions as BKDR_TAPAZOM after it is decrypted and loaded by its main loader

NOTES:

It does not have rootkit capabilities. It does not exploit any vulnerability.

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

12.774.05

FIRST VSAPI PATTERN DATE:

13 Sep 2016

VSAPI OPR PATTERN File:

12.775.00

VSAPI OPR PATTERN Date:

14 Sep 2016

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 BKDR_TAPAZOM.XORENC. 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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