RANSOM_CRYPAYSAVE.A
Trojan.Ransom.FileCryptor (ALYac); Win32.Trojan-Ransom.Filecoder.P@gen (GData)
Windows
Threat Type: Ransomware
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Dropped by other malware, Downloaded from the Internet
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 a website to send and receive information.
It is capable of encrypting files in the affected system.
It drops files as ransom note.
TECHNICAL DETAILS
14,848 bytes
EXE
No
13 Jun 2017
Connects to URLs/IPs, 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.
Backdoor Routine
This Ransomware connects to the following websites to send and receive information:
- http://duetro-proxy.{BLOCKED}ity.de
Other Details
This Ransomware is capable of encrypting files in the affected system.
Ransomware Routine
This Ransomware avoids encrypting files with the following strings in their file name:
- .exe
- @decrypt_your_files.txt
It appends the following extension to the file name of the encrypted files:
- .rnsmwre
It drops the following file(s) as ransom note:
- {Path It Encrypts}\@decrypt_your_files.txt
It leaves text files that serve as ransom notes containing the following text:
- "Your files are encrypted!", "", "There is only one way to get them back:", "You need to send me a 20 USD PaySaveCard-Code [Write it into the Console Window!]"
SOLUTION
9.850
13.468.07
13 Jun 2017
13.469.00
14 Jun 2017
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
Search and delete this file
Step 4
Scan your computer with your Trend Micro product to delete files detected as RANSOM_CRYPAYSAVE.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 5
Restore encrypted files from backup.
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