Educate users that:

The word "Thimble" is the most anomalous part of the phrase. In computing, "Thimble" is not a standard term. However, in the context of cybersecurity, there are two likely origins:

Recent analysis of specific "Thimble Kill Script" samples (Tracked as TTP-V-0382 by some cyber labs) includes a logic bomb. If the script detects that it failed to kill the antivirus (AV), it enters a "Hazard Pay" mode: It floods the network stack with garbage packets to trigger a Blue Screen of Death (BSOD), causing a denial of service (DoS) rather than allowing a defender to analyze it.

If you detect the Thimble Kill Script, follow this incident response plan.

The script first enumerates running processes. It targets known security software:

Using taskkill /F /IM [process], the script forces a termination of these services.

The script ensures it runs again after reboot: