TROJ_COINMINE.SMXPU
Trojan:Win32/Adylkuzz.C (Microsoft)
Windows
Threat Type: Trojan
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
Dropped by other malware
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 the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.
TECHNICAL DETAILS
207,872 bytes
EXE
Yes
18 May 2017
Executes files, Connects to URLs/IPs
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 component file(s):
- %Windows%\Fonts\history.txt
- %Windows%\Fonts\id.txt
- %Windows%\Fonts\sppsvc.exe
- %Windows%\Fonts\sserhy.ttf
- %Windows%\Fonts\sserid.fon
(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)
It drops the following copies of itself into the affected system:
- %Windows%\Fonts\wuauser.exe
(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)
Dropping Routine
This Trojan drops the following files:
- %Windows%\Fonts\LMS.exe ← Minerd Bitcoin miner
(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)
It executes the dropped file. As a result, malicious routines of the dropped file are exhibited on the affected system.
Other Details
This Trojan does the following:
- It executes the following command lines:
- cmd.exe /c del /f /s /q C:\SysData\acnom.exe
- cmd.exe /c del /f /s /q C:\SysData\control.exe
- cmd.exe /c del /f /s /q C:\SysData\install.exe
- cmd.exe /c del /f /s /q C:\SysData\kill.exe
- cmd.exe /c del /f /s /q c:\windows\dell\run.bat
- cmd.exe /c del /f /s /q c:\windows\dell\run64.bat
- cmd.exe /c del /f /s /q c:\windows\dell\svchost.exe
- cmd.exe /c del /f /s /q c:\windows\dell\update64.exe
- cmd.exe /c net stop Windows32_Update
- cmd.exe /c net user delete IUSR_ADMIN
- cmd.exe /c netsh ipsec static add filter filterlist=allow dstaddr=me srcaddr=45.32.0.0 srcmask=255.255.0.0 description=all445 protocol=tcp
- cmd.exe /c netsh ipsec static add filter filterlist=allow dstaddr=me srcaddr=45.76.0.0 srcmask=255.255.0.0 description=all445 protocol=tcp
- cmd.exe /c netsh ipsec static add filter filterlist=block any srcmask=32 srcport=0 dstaddr=me dstport=445 protocol=tcp description=445
- cmd.exe /c netsh ipsec static add filteraction name=allow action=permit
- cmd.exe /c netsh ipsec static add filteraction name=block action=block
- cmd.exe /c netsh ipsec static add filterlist name=allow
- cmd.exe /c netsh ipsec static add filterlist name=block
- cmd.exe /c netsh ipsec static add policy name=netbc
- cmd.exe /c netsh ipsec static add rule name=allow policy=netbc filterlist=allow filteraction=allow
- cmd.exe /c netsh ipsec static add rule name=block policy=netbc filterlist=block filteraction=block
- cmd.exe /c netsh ipsec static set policy name=netbc assign=y
- cmd.exe /c sc config Windows32_Update start= disabled
- cmd.exe /c sc delete WHDMIDE
- cmd.exe /c sc stop WHDMIDE
- cmd.exe /c taskkill /f /im hdmanager.exe
- cmd.exe /c taskkill /f /im mmc.exe
- cmd.exe /c taskkill /f /im update64.exe
SOLUTION
9.850
13.414.07
18 May 2017
13.415.00
19 May 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
Identify and terminate files detected as TROJ_COINMINE.SMXPU
- Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
- If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
- If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.
Step 3
Search and delete this file
Step 4
Scan your computer with your Trend Micro product to delete files detected as TROJ_COINMINE.SMXPU. 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.
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