Trojan-Ransom.Conti (IKARUS); W32/Filecoder.C42A!tr.ransom (FORTINET)
Dropped by other malware, Downloaded from the Internet
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 drops files as ransom note.
01 Oct 2020
Drops files, Terminates processes, Encrypts files
This Ransomware drops the following files:
It adds the following processes:
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)
It adds the following mutexes to ensure that only one of its copies runs at any one time:
This Ransomware does the following:
This Ransomware avoids encrypting files with the following strings in their file name:
It avoids encrypting files with the following strings in their file path:
It appends the following extension to the file name of the encrypted files:
It drops the following file(s) as ransom note:
05 Nov 2020
06 Nov 2020
Trend Micro Predictive Machine Learning detects and blocks malware at the first sign of its existence, before it executes on your system. When enabled, your Trend Micro product detects this malware under the following machine learning name:
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.
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.
Search and delete this file
Scan your computer with your Trend Micro product to delete files detected as Ransom.Win32.CONTI.J. 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:
Restore encrypted files from backup.