- Threat Encyclopedia
- Malware
- Ransom.Win32.CONTI.FAJF
Ransom:Win32/Conti.ZA (MICROSOFT)
Windows
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.
It avoids encrypting files with the following file extensions.
200,704 bytes
EXE
Yes
07 Jul 2021
Drops files
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.
Installation
This Ransomware drops the following files:
It adds the following processes:
It adds the following mutexes to ensure that only one of its copies runs at any one time:
Other Details
This Ransomware does the following:
Ransomware Routine
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 leaves text files that serve as ransom notes containing the following text:
It avoids encrypting files with the following file extensions:
9.800
16.870.07
28 Jul 2021
16.871.00
29 Jul 2021
Step 1
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:
Step 2
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 3
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 4
Search and delete this file
Step 5
Scan your computer with your Trend Micro product to delete files detected as Ransom.Win32.CONTI.FAJF. 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 6
Restore encrypted files from backup.