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TROJ_DESHACOP.C

February 25, 2016
 ALIASES:

Ransom:Win32/Tescrypt.J (Microsoft), Trojan.Win32.Deshacop.bvw (Kaspersky), Trojan/Win32.ShadowDeleter (AhnLab)

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware

This Trojan may be dropped by other malware.

  TECHNICAL DETAILS

File Size:

5,632 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

18 Feb 2016

Payload:

Deletes files

Arrival Details

This Trojan may be dropped by the following malware:

NOTES:

This is a component used to delete shadow volume copies by executing the following command:

vssadmin.exe delete shadows /all /Quiet

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

12.350.08

FIRST VSAPI PATTERN DATE:

18 Feb 2016

VSAPI OPR PATTERN File:

12.351.00

VSAPI OPR PATTERN Date:

19 Feb 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

Remove the malware/grayware file dropped/downloaded by TROJ_DESHACOP.C. (Note: Please skip this step if the threat(s) listed below have already been removed.)

Step 3

Scan your computer with your Trend Micro product to delete files detected as TROJ_DESHACOP.C. 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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