Trojan.W97M.POWLOAD.SMAD70
W97m.Downloader.ISF (BITDEFENDER); Trojan-Downloader.VBA.Emotet (IKARUS)
Windows
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Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
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.
However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
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.
Installation
This Trojan drops the following files:
- %User Profile%\16.exe
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name} on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
It adds the following processes:
- Powershell -w hidden -en {Base64-encoded string}
Other Details
This Trojan connects to the following possibly malicious URL:
- http://{BLOCKED}ine.com/1B/
- http://{BLOCKED}t.com/css/jRk5gg/
- http://{BLOCKED}p.net/picture_library/eqop/
- http://{BLOCKED}ss.com/cgi-bin/2dhm/
- http://{BLOCKED}t.biz/cgi-bin/l/
However, as of this writing, the said sites are inaccessible.
SOLUTION
Step 1
Trend Micro Predictive Machine Learning detects and blocks malware at the first sign of its existence, before it executes on your system. When enabled, your Trend Micro product detects this malware under the following machine learning name:
- Downloader.VBA.TRX.XXVBAF01FF006
Step 2
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 3
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 4
Search and delete this file
- %User Profile%\16.exe
Step 5
Scan your computer with your Trend Micro product to delete files detected as Trojan.W97M.POWLOAD.SMAD70. 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:
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