Backdoor.Win64.BAZAR.A
W64/Emotet.E5AE!tr(FORTINET); Trojan.BazarLoader(IKARUS)
Windows
Threat Type: Backdoor
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This Backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
As of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
Arrival Details
This Backdoor 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 Backdoor connects to the following URL(s) to download its component file(s):
- https://{BLOCKED}eswork.net/components/default.mp3
As of this writing, the said sites are inaccessible.
Other Details
This Backdoor requires the following additional components to properly run:
- default.mp3 → will be loaded in memory
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:
-
BKDR.Win32.TRX.XXPE50FFF037E0002 (GENERIC: Hit Bad Auto Shield)
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
Scan your computer with your Trend Micro product to delete files detected as Backdoor.Win64.BAZAR.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 the following Trend Micro Support pages for more information:
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