RANSOM_MEMELOCKER.A

June 01, 2017

• Email
• Facebook
• 
  Twitter
• Google+
• Linkedin

 Analysis by: Ryan Paolo Maglaque

---

 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:

Downloaded from the Internet, 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.

  TECHNICAL DETAILS

File Size:

1,712,128 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

22 May 2017

Payload:

Displays graphics/image

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 does the following:

• Display the following window(fake lockscreen) as a ransom note:

  

NOTES:

The code needed to unlock the screen is 290134884.

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

13.426.01

FIRST VSAPI PATTERN DATE:

23 May 2017

VSAPI OPR PATTERN File:

13.427.00

VSAPI OPR PATTERN Date:

24 May 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

Scan your computer with your Trend Micro product to delete files detected as RANSOM_MEMELOCKER.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 this Knowledge Base page for more information.

Did this description help? Tell us how we did.