RANSOM_EDA2NOTORIOUS.A
Ransom.EDA2 (Malwarebytes)
Windows
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
Dropped by other malware, Downloaded from the Internet
This Trojan 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 certain websites to send and receive information.
TECHNICAL DETAILS
212,992 bytes
EXE
Yes
30 Sep 2016
Connects to URLs/IPs, Displays graphics/image, Encrypts files
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Download Routine
This Trojan connects to the following URL(s) to download its component file(s):
- https://i.{BLOCKED}r.com/5iVZ4gf.jpg
It saves the files it downloads using the following names:
- %User Profile%\ransom.jpg
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)
Information Theft
This Trojan gathers the following data:
- Computer Name
Other Details
This Trojan connects to the following website to send and receive information:
- http://{arbitrary domain/IP address}/panel/createkeys.php
- http://{arbitrary domain/IP address}/panel/savekey.php
It encrypts files with the following extensions:
- .txt
It renames encrypted files using the following names:
- {original filename}.notorious
It does the following:
- Encrypts files in %Desktop%\test
(Note: %Desktop% is the desktop folder, where it usually is C:\Documents and Settings\{user name}\Desktop in Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\Desktop in Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
NOTES:
Sets the wallpaper to the following image:
SOLUTION
9.800
12.834.06
13 Oct 2016
12.835.00
13 Oct 2016
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
Restart in Safe Mode
Step 4
Search and delete these files
- %User Profile%\ransom.jpg
Step 5
Reset your Desktop properties
Step 6
Restart in normal mode and scan your computer with your Trend Micro product for files detected as RANSOM_EDA2NOTORIOUS.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 7
Restore encrypted files from backup.
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