Ransom_SAMAS.FAT
Troj/MSIL-LGF (Sophos AV); W32/MSIL.LGF!tr(Fortinet)
Windows
Threat Type: Ransomware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
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 may be dropped by other malware.
It requires its main component to successfully perform its intended routine.
TECHNICAL DETAILS
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.
It may be dropped by other malware.
Other Details
This Ransomware requires its main component to successfully perform its intended routine.
It does the following:
- it receives parameters from the main component
- search for the file {filename}.berkshire to use its binary code and eventually deletes it
SOLUTION
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_SAMAS.FAT. 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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