Trojan.Win32.Vimditator.acfp(Kaspersky)
Windows
This malware is part of the newly discovered BLACKSQUID malware family that targets web servers, network drives, and removable drives using multiple web server exploits and dictionary attacks.
This Worm arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It takes advantage of certain vulnerabilities.
Arrival Details
This Worm 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 Worm drops the following files:
It adds the following processes:
It adds the following mutexes to ensure that only one of its copies runs at any one time:
Autostart Technique
This Worm adds the following registry entries to enable its automatic execution at every system startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
NVIDIA GeForce Experience = {malware path}\{malware name}.exe
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
NVIDIA GeForce Experience = {malware path}\{malware name}.exe
Other System Modifications
This Worm adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\BlacksquidXmr
CPUming = {data from VersionUpdate}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\BlacksquidXmr
Update = Updated
Other Details
This Worm does the following:
It takes advantage of the following vulnerabilities:
It adds the following scheduled tasks:
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
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
Identify and terminate files detected as Worm.Win32.BLASQUI.A
Step 4
Delete this registry value
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.
Step 5
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.
Step 6
Deleting Scheduled Tasks
The following {Task Name} - {Task to be run} listed should be used in the steps identified below:
For Windows 2000, Windows XP, and Windows Server 2003:
For Windows Vista, Windows 7, Windows Server 2008, Windows 8, Windows 8.1, and Windows Server 2012:
Step 7
Search and delete this file
Step 8
Scan your computer with your Trend Micro product to delete files detected as Worm.Win32.BLASQUI.A. 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: