Ransom.Win32.CRYSIS.TIBGGD.note

April 29, 2020
 Analysis by: Karen Ivy Titiwa
 ALIASES:

Win32/Filecoder.Phobos trojan (NOD32)

 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 may be dropped by other malware.

This is the Trend Micro detection for files that exhibit certain behaviors.

  TECHNICAL DETAILS

File Size:

184 bytes

File Type:

TXT

Memory Resident:

No

Initial Samples Received Date:

19 Apr 2020

Arrival Details

This Ransomware may be dropped by the following malware:

  • Ransom.Win32.CRYSIS

Other Details

This is the Trend Micro detection for:

Ransomware Routine

This Ransomware leaves text files that serve as ransom notes containing the following text:


  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

15.834.06

FIRST VSAPI PATTERN DATE:

28 Apr 2020

VSAPI OPR PATTERN File:

15.835.00

VSAPI OPR PATTERN Date:

29 Apr 2020

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 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

Scan your computer with your Trend Micro product to delete files detected as Ransom.Win32.CRYSIS.TIBGGD.note. 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:


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