- Threat Encyclopedia
- Malware
- Backdoor.MSIL.BLADABINDI.THA
Backdoor:MSIL/Bladabindi.SBR!MSR (Microsoft), MSIL:Bladabindi-JK [Trj](AVAST)
Windows
Copies itself in archived files
Cybercriminals used this malware bundled with legitimate installation copies of the VPN software known as Windscribe. Note that these copies are hosted from fraudulent sources.
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.
It executes commands from a remote malicious user, effectively compromising the affected system.
It gathers certain information on the affected computer. It logs a user's keystrokes to steal information.
32,768 bytes
EXE
Yes
01 Sep 2020
Connects to URLs/IPs, Steals information, Logs keystrokes, Downloads files, Executes files
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 adds the following mutexes to ensure that only one of its copies runs at any one time:
Other System Modifications
This Backdoor adds the following registry entries:
HKEY_USERS\{User's ID}
di = !
HKEY_CURRENT_USER
di = !
HKEY_CURRENT_USER\Software\61d7bbb639f843c98f77625f64a72439
[kl] = {Stolen Information}
Backdoor Routine
This Backdoor executes the following commands from a remote malicious user:
It connects to the following URL(s) to send and receive commands from a remote malicious user:
Information Theft
This Backdoor gathers the following information on the affected computer:
It logs a user's keystrokes to steal information.
9.850
16.200.06
01 Sep 2020
16.201.00
02 Sep 2020
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 Backdoor.MSIL.BLADABINDI.THA
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
Scan your computer with your Trend Micro product to delete files detected as Backdoor.MSIL.BLADABINDI.THA. 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: