RANSOM_STUPURGE.A
Trojan-Ransom.MSIL.Agent.zj(Kaspersky);a variant of MSIL/Filecoder.FG trojan(Eset-NOD32)
Windows
Threat Type: Ransomware
Destructiveness: No
Encrypted: No
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 encrypts files found in specific folders.
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 Details
This Ransomware does the following:
Displays the following window as ransom note:
- Requires the password TotallyNotStupid to decrypt files
Ransomware Routine
This Ransomware encrypts files found in the following folders:
- D:\Art improving (1)
It avoids encrypting files with the following strings in their file name:
- .purge
It appends the following extension to the file name of the encrypted files:
- .purge
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_STUPURGE.A. 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.
Step 3
Restore encrypted files from backup.
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