Trojan.Win32.LEMONDUCK.I
N/A
Windows
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.
It executes then deletes itself afterward.
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 adds the following processes:
- sc stop "Networkcs"
- sc stop "Networkc"
- taskkill /f /im systems.exe
- taskkill /f /im xmrig.exe
- taskkill /f /im xmxmxmrig.exe
- svchost.exe install "Networkcsr" r.exe
- sc config "Networkcsr" DisplayName= "Networkdr"
- sc description "Networkcsr" "Microsoft Windows Networkcsr"
- sc start "Networkcsr"
- svchost.exe install "Networkcsx" x.exe
- sc config "Networkcsx" DisplayName= "Networkdx"
- sc description "Networkcsx" "Microsoft Windows Networkcsx"
- sc start "Networkcsx"
- attrib +a +s +r +h r.exe
- attrib +a +s +r +h x.exe
- attrib +a +s +r +h Windowsdd.exe
- attrib +a +s +r +h wcry.exe
- attrib +a +s +r +h config.json
It executes then deletes itself afterward.
SOLUTION
Step 1
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 2
Scan your computer with your Trend Micro product to delete files detected as Trojan.Win32.LEMONDUCK.I. 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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