arrow_back
search
close

RANSOM_ETERNITY.A

February 20, 2018
 Analysis by: Patrick Angelo Roderno
 ALIASES:

Trojan:Win32/Skeeyah.A!rfn (MICROSOFT); Gen:Heur.Ransom.HiddenTears.1 (BITDEFENDER); Trojan.Gen.2 (NORTON)

 PLATFORM:

Windows

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

  • Threat Type: Ransomware

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware

This Ransomware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It encrypts files found in specific folders.

  TECHNICAL DETAILS

File Size:

3,175,936 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

02 Dec 2017

Payload:

Displays message/message boxes

Arrival Details

This Ransomware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Other Details

This Ransomware displays the following message boxes:


It does the following:

  • Crashes due to a missing audio file that is supposed to play as soon as the lock screen message is displayed

It locks the screen and displays the following image:

Ransomware Routine

This Ransomware encrypts files found in the following folders:

  • C:\Users\Sameera\Desktop\Test

It avoids encrypting files with the following strings in their file name:

  • .eTeRnItY

It appends the following extension to the file name of the encrypted files:

  • .eTeRnItY

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

13.822.05

FIRST VSAPI PATTERN DATE:

02 Dec 2017

VSAPI OPR PATTERN File:

13.823.00

VSAPI OPR PATTERN Date:

03 Dec 2017

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

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Identify and terminate files detected as RANSOM_ETERNITY.A

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 4

Scan your computer with your Trend Micro product to delete files detected as RANSOM_ETERNITY.A. 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 the following Trend Micro Support pages for more information:

Step 5

Restore encrypted files from backup.


Did this description help? Tell us how we did.