Ransom.Win32.STOP.BB
TrojanDownloader:Win32/Bandit.MS!MTB (Microsoft); GenericR-QXK!CA1094DCE956 (McAfee); Trojan-Ransom.Win32.Stop.ef (Kaspersky); Mal/GandCrab-G (Sophos); Trojan.Win32.Generic!BT (Sunbelt)
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.
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.
Other System Modifications
This Ransomware deletes the following files:
- %Windows%\Tasks\Time Trigger Task.job
(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)
Other Details
This Ransomware connects to the following possibly malicious URL:
- http://api.{BLOCKED}p.ua
- {BLOCKED}75.146
This report is generated via an automated analysis system.
SOLUTION
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
Scan your computer with your Trend Micro product to delete files detected as Ransom.Win32.STOP.BB. 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 3
Restore encrypted files from backup.
Step 4
Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.
- %Windows%\Tasks\Time Trigger Task.job
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