BKDR_PLUGX.TEK
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Backdoor
Destructiveness: No
Encrypted:
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.
TECHNICAL DETAILS
720,558 bytes
EXE
Yes
26 Dec 2013
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.
Installation
This backdoor drops the following files:
- %Application Data%\MSMPMY{BLOCKED}\mpsvc.dll
- %Application Data%\MSMPMY{BLOCKED}\MsMpEng.exe
- %User Startup%\MSMPMY{BLOCKED}SEC.lnk
It creates the following folders:
- %Application Data%\MSMPMY{BLOCKED}
Other System Modifications
This backdoor adds the following registry keys:
HKEY_LOCAL_MACHINE\Software\Classes\
MJ
It adds the following registry entries as part of its installation routine:
HKEY_LOCAL_MACHINE\Software\Classes\
MJ
CLSID = "{random values}"
Mobile Malware Routine
This backdoor accesses the following possibly malicious URL(s):
- {BLOCKED}.{BLOCKED}.160.163
SOLUTION
9.700
10.498.04
26 Dec 2013
10.499.00
26 Dec 2013
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
Restart in Safe Mode
Step 3
Delete this registry key
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\Software\Classes
- MJ
- MJ
Step 4
Search and delete this folder
- %Application Data%\MSMPMY{BLOCKED}
Step 5
Search and delete this file
- %User Startup%\MSMPMY{BLOCKED}SEC.lnk
Step 6
Restart in normal mode and scan your computer with your Trend Micro product for files detected as BKDR_PLUGX.TEK. 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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