- Threat Encyclopedia
- Malware
- RANSOM_SOREBRECT.B
Ransom.AESNI(Malwarebytes)
Windows
Downloaded from the Internet, Dropped by other malware
This malware is a variant of the SOREBRECT malware that Trend Micro discovered on June 2017. It sports fileless, code-injecting capabilities. Users affected by this malware may find their critical documents and files encrypted and rendered useless.
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 connects to certain websites to send and receive information. It deletes itself after execution.
31,232 bytes
EXE
Yes
19 Apr 2017
Encrypts 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 injects codes into the following process(es):
File Infection
This Ransomware avoids infecting folders containing the following strings:
Other Details
This Ransomware connects to the following URL(s) to get the affected system's IP address:
It connects to the following website to send and receive information:
It renames encrypted files using the following names:
It does the following:
It deletes itself after execution.
NOTES:
The ransom note contains the following:
9.850
13.332.08
10 Apr 2017
13.333.00
11 Apr 2017
Step 1
Search and delete this file
Step 2
Before doing any scans, Windows XP, Windows Vista, and Windows 7 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
Restore encrypted files from backup.
Step 5
Restart in Safe Mode
Step 6
Restart in normal mode and scan your computer with your Trend Micro product for files detected as RANSOM_SOREBRECT.B. 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.