Trojan.VBS.MALXMY.THAAADAH
Trojan-Downloader.VBS.BitMin.d (Kaspersky)
Windows
Threat Type: Coinminer
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
This Coinminer 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
15,545 bytes
VBS
No
19 Jul 2018
Connects to URLs/IPs, Downloads files
Arrival Details
This Coinminer 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 Coinminer adds the following processes:
- cmd.exe /c set &&ping -n 10 127.0.0.1 $$start %All Users Profile%\yuitopk.exe
(Note: %All Users Profile% is the common user's profile folder, which is usually C:\Documents and Settings\All Users on Windows 2000, XP, and Server 2003, or C:\ProgramData on Windows Vista, 7, and 8. )
Download Routine
This Coinminer downloads the file from the following URL and renames the file when stored in the affected system:
- http://www.{BLOCKED}3.usa.cc/imageee.gif
It saves the files it downloads using the following names:
- %All Users Profile%\yuitopk.exe -> detected as Coinminer.Win32.MALXMY.THAAADAH
Other Details
This Coinminer does the following:
- Opens the browser to access the following URL:
- http://www.facebook.com
SOLUTION
9.850
14.630.06
16 Nov 2018
14.631.00
17 Nov 2018
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
- %All Users Profile%\yuitopk.exe
Step 4
Scan your computer with your Trend Micro product to delete files detected as Trojan.VBS.MALXMY.THAAADAH. 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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