HEUR:Trojan-Ransom.Win32.Agent.gen (Kaspersky), Ransom:Win32/Genasom (Microsoft)
Windows
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.
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:
(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)
It creates the following folders:
(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)
Other Details
This Ransomware encrypts files with the following extensions:
It does the following:
Ransomware Routine
This Ransomware avoids encrypting files with the following strings in their file path:
It avoids encrypting files found in the following folders:
It appends the following extension to the file name of the encrypted files:
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
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 3
Identify and terminate files detected as Ransom_WARRIOR.THHOGAH
Step 4
Search and delete this file
Step 5
Search and delete these folders
Step 6
Scan your computer with your Trend Micro product to delete files detected as Ransom_WARRIOR.THHOGAH. 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 7
Restore encrypted files from backup.